Revenue Operations Jobs

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE To be a expert performance engineer to define and validate the industry-leading performance of our mission-critical FlashArray portfolio. You will be instrumental in extending our capabilities into the cloud, directly impacting customer adoption and satisfaction by ensuring our products meet the highest benchmarks. This high-visibility role involves close collaboration with Product Management and Solutions Engineering to translate real-world customer needs into engineering goals. WHAT YOU'LL DO Define and Drive Benchmarking Strategy: Establish comprehensive, next-generation performance benchmarking requirements and metrics for all FlashArray products across diverse platforms, ensuring we maintain a significant competitive edge in the market. Team Execution and Mentorship: Provide technical direction and leadership to a team of highly motivated engineers, fostering a culture of technical excellence, and ensuring timely delivery of high-quality, high-impact performance results. Validate Critical Customer Scenarios: Collaborate with Product Management, Solutions, and Sales Engineering to research and develop performance validation strategies that accurately model and confirm critical customer use cases and requirements, directly enhancing product readiness. Optimize System Performance: Oversee the deep-dive analysis of performance bottlenecks within the Linux storage and networking stack, iden

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams work smarter, not harder. Aircall’s AI Voice Agent automates routine calls, AI Assist streamlines post-call work, and AI Assist Pro delivers real-time guidance so people can do their best work. The result is higher revenue, faster resolutions, and teams that scale with confidence. Aircall is headquartered in Paris, our European HQ, with a strong North American presence anchored in Seattle, our North American HQ, and teams across Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We’ve built a product customers love and a business that’s scaling quickly, backed by world-class investors and driven by rapid AI innovation across multiple product lines. At Aircall, you’ll join a company in motion. We’re ambitious, product-driven, and execution-focused, with visible impact, fast decisions, and real growth. How we work at Aircall : We’re customer-obsessed, data-driven, and focused on delivering meaningful outcomes. We value ownership, continuous learning, and thoughtful speed. If you thrive in a collaborative, fast-moving environment where trust and impact matter, you’ll feel at home here. Aircall is looking for a Lead Product Marketing Manager to own product marketing for AI Voice Agents. This is a technical, high-visibility role. You will sit close to Product and Engineering, co-own the roadmap, and build the narrative that shapes how customers, GTM teams, and Aircall's leadership team speak about AI Voice Agents. You will own the upstream work: positioning, ICP, core messaging, and the technical depth to represent AI Voice Agent credibly to leadership and in the market. This role is f

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE EverPure is seeking an experienced Systems Engineer to join the Sales team in Queensland, Australia . In this role, you will leverage your technical expertise to pilot the sales & adoption of our EverPURE solutions with prospects and existing customers in the Enterprise Accounts space. You collaborate with customers in Northern Territory and Queensland and to understand their business goals, their pain points, and propose creative solutions in collaboration with our key alliance partners. You will work closely with other pre-sales, sales, partner sales & enablement, marketing, and leadership team members to help develop and grow business with the full EverPURE portfolio of solutions. WHAT YOU'LL DO Develop an exhaustive understanding of what drives customers' business and what motivates their decision making Connect the dots from technology solutions, inclusive of the Everpure portfolio and others from the ecosystem, to measurable customer business outcomes Partner closely with account managers, specialists and channel partners to create a seamless and holistic customer experience and strategy to drive revenue growth and net new business Passionately bring to light the advantages of an Everpure solution Refine sales strategy and tactics, taking command of technical responsibilities Delight customers and teammates with your technical leadership and domain expertise on storage products, distributed sto

TERRITORY: Atlanta South, Decatur, Columbus The CFS will drive revenue growth and market expansion through direct engagement with individual MFMs and OB/GYNs. This role focuses on building and maintaining strong relationships, while developing and executing strategic business plans that accelerate revenue growth. The CFS will support both established and newly launched products, providing clinical expertise, educational support, and hands-on training in technical product applications. PRIMARY RESPONSIBILITIES Increasing revenue and driving market development through direct sales to individual MFMs, Ob/Gyns and Genetic Counselors. Sales efforts include effective prospecting, cultivating and maintaining key relationships. Creating and implementing a strategic business plan to grow revenue quickly in your geography. Sales efforts will focus on currently marketed products and new product launches. Will play a critical role in the success of the organization. This role works with PHI on a regular basis both in paper and electronic form and have an access to various technologies to access PHI (paper and electronic) in order to perform the job Employee must complete training relating to HIPAA/PHI privacy, General Policies and Procedure Compliance training and security training as soon as possible but not later than the first 30 days of hire. Must maintain a current status on Natera training requirements. QUALIFICATIONS Bachelor’s degree required; preferred fields include Science, Nursing, or a related healthcare discipline Minimum of three years of physician sales experience in the diagnostic laboratory industry, ideally within genetics Strong background in medical or biological sciences, with experience in clinical diagnostics a plus Deep understanding of the OB/GYN and MFM markets, with proven success selling into these specialties Demonstrated success launching new products and driving rapid revenue growth in new markets Proficient with Microsoft PowerPoint,

About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career. About the team: We build impactful experiences that drive awareness of Stripe, educate users and prospects on Stripe solutions, foster community, and deliver high quality leads to our sales team. What you’ll do: This role is responsible for leading the event registration strategy for the Corporate Events team, developing streamlined processes and tailored experiences for diverse attendee types. You will collaborate with cross-functional teams to ensure efficient execution of registration from planning through post-event analysis while maintaining compliance and aligning strategies across global markets. By analyzing data and preparing insights, you will inform decisions that maximize attendance and enhance the overall attendee experience. Additionally, you will manage the development of the event mobile app, ensuring it integrates seamlessly with the registration process and enhances attendee engagement. You will also contribute to compelling promotional materials and ensure communication consistency across all registration touchpoints. Reporting to the Stripe Sessions event lead, this position requires you to work autonomously and present well-prepared recommendations. Responsibilities: Strategy and concept development: Lead event registration for all events the Corporate Events team works on, including pricing models, simple and elegant attendee flows, and promotional tactics to maximize attendance and revenue where applicable. Desi

Who We Are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. About The Team Specialist Solutions Architects (SSA) are domain experts aligned to specific Stripe solutions and customer buying centers. We have in-depth knowledge of specific solution offerings and a deep understanding of customer challenges. We align with specialist product sellers on deals, advise the broader pre-sales team on complex opportunities, support pipeline development and revenue attainment, serve as an advisor on go-to-market sales plays, and provide critical insights to our product and engineering teams. What You'll Do You will collaborate closely with sales and pre-sales teams to drive pipeline and revenue targets, while also educating the product and engineering teams on market trends and strongly influencing the product roadmap You will develop deep relationships with senior customer business leaders and grow Stripe's solution offerings with new and existing customers As a subject matter expert, you will scale the broader organization by creating reusable assets and coaching others on complex, high-value opportunities As a Specialist Solutions Architect for Crypto and Stablecoins, you will lead in-depth product discussions with Stripe's top users and prospects and execute against our go-to-market strategy for Stripe's crypto and stablecoin products, including Bridge and Privy You will serve as a trusted advisor for business and technical stakeholders—CTOs, CFOs, Heads of Digital Assets, and Treasury teams—helping them understand how stab

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams work smarter, not harder. Aircall’s AI Voice Agent automates routine calls, AI Assist streamlines post-call work, and AI Assist Pro delivers real-time guidance so people can do their best work. The result is higher revenue, faster resolutions, and teams that scale with confidence. Aircall is headquartered in Paris, our European HQ, with a strong North American presence anchored in Seattle, our North American HQ, and teams across Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We’ve built a product customers love and a business that’s scaling quickly, backed by world-class investors and driven by rapid AI innovation across multiple product lines. At Aircall, you’ll join a company in motion. We’re ambitious, product-driven, and execution-focused, with visible impact, fast decisions, and real growth. How we work at Aircall : We’re customer-obsessed, data-driven, and focused on delivering meaningful outcomes. We value ownership, continuous learning, and thoughtful speed. If you thrive in a collaborative, fast-moving environment where trust and impact matter, you’ll feel at home here. As a Customer Support Specialist , you’ll be an advocate for our customers and the heart of Aircall by efficiently identifying, promoting product education, recommending technical solutions and guiding product users through features and functionalities. This way, you’ll also help other businesses achieve their goal. In doing so, you’re a key player in growing Aircall. You will closely work with the global support team on a daily basis to ensure that technical issues are addressed and resolved promptly

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. インサイドセールス担当者（ISR ） 職務概要 インサイドセールス担当者（ISR）は営業部門に所属し、チャネルパートナーと緊密に連携しながら、法人顧客を対象とした営業活動を行います。AI活用が企業のIT投資を大きく動かすなか、データ基盤・ストレージを起点に、お客様のAI活用とデータ戦略を支援するポジションです。 本ポジションは、SDRおよびISRの両方の役割を担います。 SDRとして ：マーケティング部門から提供されるTQL（電話で精査されたリード）を管理します。AIを活用したリード優先順位付け、顧客・業界リサーチ、パーソナライズしたアプローチ設計を通じて、質と量の両立を図ります。 ISRとして ：見積書の作成や商談の進行など、さまざまな活動を通じて担当地区の売上（Booking）に貢献します。 また、Business Value Selling（BVS）の手法を活用し、AI・データ活用というお客様のビジネス目標に沿って商談を進め、成約へ導くことが期待されます。 業務には以下が含まれます。 製品・ソリューションのウェブプレゼンテーション（AI/データ基盤ユースケースを含む） TCO（総所有コスト）計算 提案書の作成・提示 必要に応じたPOC（概念実証）の実施 見積書の作成 主な職務内容 インサイドセールス環境での販売目標達成とノルマの継続的達成 技術・営業リソースを活用し、チャネルパートナーとの関係構築を通じて商談を成約へ導く チャネルパートナーと密接に連携し、収益を創出（AI関連案件でのパートナー共創を含む） AIツール（生成AI、営業支援AI、会話インテリジェンス等）を日常業務に組み込み、リサーチ、アウトリーチ、提案書作成、商談後フォローなどを効率化し、顧客との対話や関係構築により多くの時間を割く パイプライン管理とコンバージョン率向上への注力。データに基づく分析で施策を継続的に改善する 高い活動量を維持し、大量販売に対応 正確な予測の提示と複数チャネルとの連携 AI/データ活用に関するお客様の課題（学習・推論基盤、データ保護、サイバーレジリエンス、コスト最適化など）を把握し、ビジネス価値に基づいた提案書を作成・提示 四半期・年間ベースでのアカウント戦略推進とパートナーとの協働営業 意思決定者（IT部門に加え、データ・AI推進部門や事業部門を含む）へのアプローチと新規開拓の実績 営業現場で得られたAI活用の工夫やナレッジをチームに共有し、組織全体の生産性向上に貢献 求める人物像・スキル 必須要件（経験・実績） B2Bテクノロジー営業の経験（3年以上） ストレージ分野またはIT基盤分野での安定したノルマ達成の実績（達成率などの具体的な数字で示せること） チャネルパートナー（SIer、ディストリビューター、リセラー等）との協業による販売成功経験、およびチャネル販売モデルへの深い理解 開拓から成約まで営業プロセス全体

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE Everpure Hong Kong is seeking a dynamic and driven Sales Hunter to join our Sales team. In this role, you’ll be at the forefront of developing new business, working with our channel resellers and key customer accounts. Collaborate with Sales, Pre-sales, Partner sales, and Field Marketing teams to drive success in the Enterprise private sector. WHAT YOU'LL DO As an Account Executive, you will: Promote Innovative Solutions : Advocate for our all-flash enterprise storage technology. Build Relationships: Foster strong connections with existing and Net New customers, ensuring high satisfaction. Lead and Strategize: Direct pursuit teams and develop account plans to secure new customers. Manage Sales Pipeline: Drive activities to meet and exceed sales quotas. Collaborate with Partners: Work with Channel, GSI, and Ecosystem Partners to position Everpure. Execute Account Strategies: Develop and implement strategies to close deals consistently. Deliver Results: Surpass quotas, maintain a strong pipeline, and drive referenceable business. Communicate Effectively: Present proposals highlighting Everpure’s benefits. WHAT YOU BRING To excel in this role, you should have: Sales Passion: A strong drive for sales and relationship building. Commercial / Enterprise Experience: Experience with direct/indirect sales on Commercial / Enterprise accounts. Partner Collaboration:&

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams work smarter, not harder. Aircall’s AI Voice Agent automates routine calls, AI Assist streamlines post-call work, and AI Assist Pro delivers real-time guidance so people can do their best work. The result is higher revenue, faster resolutions, and teams that scale with confidence. Aircall is headquartered in Paris, our European HQ, with a strong North American presence anchored in Seattle, our North American HQ, and teams across Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We’ve built a product customers love and a business that’s scaling quickly, backed by world-class investors and driven by rapid AI innovation across multiple product lines. At Aircall, you’ll join a company in motion. We’re ambitious, product-driven, and execution-focused, with visible impact, fast decisions, and real growth. How we work at Aircall : We’re customer-obsessed, data-driven, and focused on delivering meaningful outcomes. We value ownership, continuous learning, and thoughtful speed. If you thrive in a collaborative, fast-moving environment where trust and impact matter, you’ll feel at home here. We are seeking a gifted and talented Account Executive to join our Berlin office. This role involves engaging qualified strategic prospects, demoing the Aircall solution, providing technical assistance, successfully navigating a proof of concept and negotiating contracts . It is a fast-paced role that fits high energy and smart sales people. Key Responsibilities: Manage prospect s in the SMB segment from qualified lead to closing; Use outbound selling strategies to create pipeline a

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career. About the team Stripe’s global demand campaigns team delivers marketing campaigns that drive awareness and engagement for our audiences, solutions, and products worldwide. Working closely with sales and marketing teams, our campaigns support Stripe’s larger business objectives and deliver impact. We build, deliver, monitor, and evolve campaign delivery across a broad suite of content, tactics, and channels. Using a broad suite of metrics, we continuously measure our work and refine our strategies to improve outreach, enhance the customer journey, and support revenue growth for the organization. What you’ll do In this role, you'll quarterback the integrated campaign strategies, plans, and playbooks focused on Stripe’s stablecoin and crypto products (including Bridge). You'll champion the needs of the core audiences for this product area, holding deep market and audience insight and direct business accountability. You'll lead a large, global, cross-functional workstream to build campaign strategies and content, then work with regional teams to craft local strategies and to deliver activations through integrated channels. You'll capture performance against all of your efforts, analyze results, and share learnings to drive continuous improvement and impact. Ultimately, you'll be accountable for acquisition, engagement, and pipeline growth. The ideal candidate Excels in leading and driving large, complex, global campaigns or programs Has strong analytics skills

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career. About the team The Escalations team offers a single point-of-entry for all user escalations raised by Stripes on behalf of a user. This team is accountable for all user escalation resolutions by either direct responsibility for resolution or by partnering with other support and non-support teams to facilitate a resolution. We aim to help users find speedy issue resolution and alleviate confusion and unnecessary effort from non-Support Stripes to do this. We dig into specific user escalations to find top drivers for our most frequent and painful issues affecting our largest users as well as analyze the experience for the broader subset of users. Ultimately, these cases often shine a light on points of failure within Stripe, and the User Escalations team has the opportunity to create transformative user experiences, while also helping edit Stripe to rectify the structural issues that resulted in the escalations in the first place. This is a high visibility, high impact role, with the responsibility to work with users and cross functional stakeholders, all while helping build this team from the ground up. What you’ll do In this role, you will play a vital part in addressing user escalations at Stripe, focusing on swift and effective resolution. You’ll engage directly with users and the reporters of the escalations, while also collaborating with product and engineering teams to ensure user issues are resolved effectively. Additionally, you will leverage

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE We are seeking a highly motivated Hardware Design Engineer for Pure’s Datastore team. The Pure Engineering Team builds the industry’s most innovative, high-performance, energy-efficient and TCO-optimised storage solution. As part of this team, you will help productize this differentiated storage solution for our customers. WHAT YOU'LL DO Plan, lead, implement, and debug SSD hardware designs from concept through production. Contribute to all phases of the product lifecycle, including architecture, design, documentation, validation, and sustaining. Drive interoperability testing across server/storage systems and SSDs. Diagnose and resolve HW-related issues in collaboration with internal teams, external partners, and JDMs. Apply deep knowledge of major bus technologies such as PCIe, DDR, NAND, SPI, and I2C. Evaluate system-level tradeoffs in mechanical, thermal, power, and signal integrity design. Work with diagnostics/test engineers by reviewing test plans to ensure proper coverage Lead failure analysis and root cause investigations to support field issues and customer escalations Incorporate automation and AI to enhance SSD design and validation processes. Provide technical guidance and mentorship to junior engineers. We are primarily an in-office environment and therefore, you will be expected to work from the Santa Clara, CA office in compliance with Everpure’s policies, unless you are on PTO, or work trav

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. About the team Stripe’s Financial Crimes Compliance Risk Oversight (FinCRO) team is looking for a U.S. Regulatory Compliance Lead for our Banking-as-a-Service (BaaS) business. You’ll own second-line oversight of Stripe’s U.S. BaaS products and bank-fintech partnerships. The work is practical and cross-functional: turn federal and state requirements and supervisory expectations into clear policies, controls, monitoring, evidence, and ownership. What you’ll do This role is focused on U.S. BaaS regulation. You’ll work across sponsor-bank and fintech responsibility mapping; BSA/AML and sanctions; consumer protection and fair lending; deposits and FDIC insurance representations; privacy, cybersecurity, incident response, and third-party risk; complaints and disputes; payment network and ACH rules; state money transmission and lending requirements; and regulatory exams, remediation, and change management. Responsibilities Own the second-line compliance framework for Stripe’s U.S. BaaS products (i.e., Capital, Issuing, and Treasury) and bank-fintech partnerships. Make sure responsibilities are clear across Stripe, sponsor banks, program managers, processors, and other partners. Turn U.S. federal and state laws, guidance, enforcement actions, and supervisory expectations into practical policies, product requirements, controls, procedures, evidence standards, and monitoring. Set and oversee controls for BSA/AML, customer identification and verification, custome

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. About the Role Every great organization is built on its earlier-in-career talent, and at Everpure, that's especially true. Our SDRs, SMB Account Executives, Associate Sales Engineers, and Technical Post-Sales Support teams are the lifeblood of our growth. They're also tomorrow's AEs, SEs, and leaders, thanks to an internal mobility culture that turns ambition into real career trajectories. As our newest Go-To-Market Recruiter, you'll own the engine that brings that hires and nurtures these teams. You'll focus on emerging talent with anywhere from 1-5 years of industry experience to support high-velocity growth. This is a high-impact, full-cycle role for a creative problem solver who thrives on momentum. You'll source your own pipelines, run the process end to end, advise hiring leaders on strategy, and close top talent. You'll also get to build: candidate funnels, new-grad hiring sprints, and in-office events that create real buzz for Everpure among emerging talent. You'll join a tight-knit, world-class team of recruiters doing some of the best work in the industry, in a company with amazing culture and leadership. You'll learn from the best, get real ownership from day one, and help shape how we hire at scale. How You Work Creative problem solver : You see obstacles as puzzles, find inventive routes to the right talent, and don't wait for perfect conditions to make things happen Team player : You share what you lear