We’re passionate about speed and simplicity.

We’re committed to increasing developer velocity in machine learning. We’ve taken a compiler-led design approach, enabling our customers to easily and quickly deploy scalable, deterministic, high performance-per-watt systems. In a world that is increasingly driven by machine learning, our vision is to lead the way with simple, fast, innovative solutions.

Meet the leadership behind the company.

Jonathan Ross :: CEO, Founder

Jonathan Ross is Groq’s technical founder and CEO. Prior to founding Groq he began what became Google’s TPU effort as a 20% project where he designed and implemented the core elements of the original chip. Jonathan next joined Google X’s Rapid Eval Team, the initial stage of the famed “Moonshots factory”, where he devised and incubated new Bets (Units) for Google’s parent company, Alphabet. Jonathan studied mathematics and computer science at NYU’s Courant Institute, and in his second year was the first Computer Science undergraduate to complete courses restricted to PhD students.

Andy Rappaport :: Board Member

Andy Rappaport is Managing Partner of Skyline Public Works, Chief Investment Officer of SPW Investments, and Treasurer of the Rappaport Family Foundation. He has spent more than 35 years founding, investing in, and guiding scores of transformative start-up companies. From 1996 until starting his retirement in 2012, Andy was an active partner at August Capital, a leading technology venture capital firm, which he helped grow from $100M to more than $2B under management. Prior to joining August, Andy ran The Technology Research Group, a Boston-based global strategy consulting firm he founded in 1984. Andy is a noted authority on the business and economic implications of changing technologies and has written and spoken extensively on the topic. Technology companies Andy co-founded, led investments in, and/or served as a board member of including Actel, Atheros Communications, Luxtera, MMC Networks, Silicon Architects, Olema Oncology, Silicon Image, and Transmeta.

Andy and his wife Deborah are active philanthropists, focusing primarily on causes of equity and social justice. They are the founders of the Minnesota Street Project (www.minnesotastreetproject.com), a 120,000 square foot multi-building arts campus in San Francisco founded to provide an affordable, vibrant hub for the visual arts in an otherwise unaffordable city. Andy is also an active musician, and video and sound artist. He and Deborah split their time between San Francisco and Martha’s Vineyard.

Stuart Pann :: Board Member

Stuart Pann was the Chief Supply Chain Officer for HP Inc., a $58-billion business operating in more than 170 countries worldwide. HP’s supply chain delivers over 100 million products to customers each year through a sophisticated network of HP factories, ODM factories and logistics providers. During 2018-2019 Pann was also responsible for HP’s IT function, a group of more than 1,300 IT professionals leading HP’s largest digital transformation in its history. Additionally, he oversaw strategic alliances with key partners including Intel and Microsoft. His team was responsible for the company’s award-winning Sustainable Impact Program, a program that significantly contributed to HP’s number one ranking in Newsweek’s Most Responsible Companies in America list in 2019. Stu retired in 2020 and is currently consulting with major companies and with startups in Silicon Valley.

Prior to joining HP in 2014, Pann served as Intel’s Corporate Vice President and General Manager of the Business Management Group where he was responsible for pricing, revenue, planning and forecasting functions for Intel’s microprocessor and chipset operations. He joined Intel in 1981 and held several management positions within the company’s sales and operational organizations.

Pann earned an MBA from the University of Michigan in 1993 and received a bachelor’s degree in electrical engineering from Michigan Technological University in 1981.

Jay Zaveri :: Board Member

Jay Zaveri is a partner at Social Capital, a top decile investment firm in Silicon Valley. Jay makes concentrated investments in companies solving forty of the world’s hardest problems by 2045. Key investments include Swarm, Aclima, Syapse, UrbanFootprint, DroneSeed, Saildrone, Relativity, Ashvattha, Journal and Datacoral.

Prior to joining Social Capital, Jay has been a successful technology entrepreneur. He co-founded three technology companies, the most recent of which was mobile productivity application CloudOn, which had ten million enterprise users and was acquired by Dropbox in 2014. Jay has built companies, products and platforms that have scaled to millions of active users in consumer, mobile and enterprise software. His love for cartoons and work in the new media tech space has won him 18 awards, including a Hollywood Film Festival for Best Animated Short.

Adrian Mendes :: COO

Adrian Mendes is responsible for sales, marketing, operations, finance and administrative functions at Groq. He has over 20 years of technology management experience in small start-ups and multinational corporations. Prior to Groq, Adrian co-founded a finance company that brought a consortium of leading technology companies together with infrastructure investors to solve energy needs in SE Asia. Before becoming an entrepreneur, Adrian spent most of his career at Cypress Semiconductor leading teams across supply chain operations and product management where he drove significant revenue generating initiatives and major organizational transformations. Adrian’s Bachelor’s Degree in Electrical Engineering is from the University of Waterloo.

Adam Tachner :: VP Corporate Development & General Counsel

For nearly 20 years, Adam Tachner has provided high-growth semiconductor companies with the cross-functional business leadership they need to thrive in competitive markets. As head of the legal and compliance functions at Atheros Communications (acquired 2011 by Qualcomm for $3.6B), Adam supported the company’s rapid growth from a pre-revenue innovator to a market-leading IPO and a $1B annual revenue run rate. Later, he helped integrate Atheros into Qualcomm’s global operations. Most recently, Adam held both VP Corporate Development and General Counsel roles at Google’s Access division, and earlier at fabless MEMS leader InvenSense, now the sensor division of TDK.

Bill Leszinske :: VP, Product & Marketing

Bill Leszinske brings 30 years of experience running core semiconductor business functions across CPUs, SoCs, chipsets, and memory/storage products. Bill has a strong track record of expanding and growing new businesses on a global basis across PC Client, server consumer electronics and storage market segments.  Most recently, Bill was a Corporate Vice President at Intel and ran strategy, product planning, product marketing, and business development for Intel’s memory/storage business. This included creating new market opportunities and an ecosystem of optimized solutions for datacenter and client platforms.

You can frequently find Bill outdoors running, biking or snowboarding.

Brian Holley :: VP, Sales

Brian brings over two decades of sales leadership experience to Groq.  Before joining Groq, he led sales teams globally for semiconductor giants Intel and Altera.  Brian’s daily mission is to energize and empower the sales team to deliver superior solutions that enable customer success while ultimately delivering on Groq’s relentlessly customer-first commitment.  He holds a BS in electrical engineering from Texas A&M University. In his free time, Brian enjoys playing golf, soccer, scuba diving, snowboarding, and church activities but most importantly spending time with his wife and daughter.

Geert Rosseel :: VP, Hardware Engineering

Geert has extensive experience building semiconductor ICs and IP in Silicon Valley and brings a wealth of IC, hardware development, and project management knowledge to Groq. Since completing his Ph.D. in EE at Stanford University, Geert has held various individual contributor, management, and VP roles at Silicon Valley startups such as MicroUnity, Sonics, Pixelworks, Arteris, and Samplify, as well as large companies such as Nvidia, LSI, Avago, and Seagate Technology. He was a co-founder of Sonics, the inventors of Network-On-Chip technology for complex SoCs (acquired by Facebook). Geert holds a MSEE from Belgium’s Katholieke Universiteit Leuven, PhD in EE from Stanford University, and an MBA from Berkeley-Haas School of Business.

Dennis Abts :: Chief Architect

Dennis is an expert in scalable vector architectures for high-performance computing. Previously at Google, he worked on topologies for energy-proportional networking, and Cray, where he was a Sr. Principal Architect on several Top500 massively-parallel supercomputers. Dennis has published over 20 technical papers in areas of memory systems, interconnection networks, and fault-tolerant systems. He holds over two dozen patents spanning 20+ years of experience at Cray and Google. Dennis holds a PhD in Computer Architecture from the University of Minnesota and is a Senior Member of IEEE and ACM Computer Society.

Tobi Crabtree :: Director, People & Culture

Tobi Crabtree brings over 15 years of human resource and leadership experience in diverse companies spanning Fortune 500s to non-profits.  Prior to joining Groq, Tobi was the Director of Global Employee Services at Intel where she was responsible for leading a global organization that provided exceptional support to over 100K employees, leveraging data to drive program and culture change and leadership development.  Tobi’s passion for people and culture shows through her track record of improving the employee experience, making data-driven decisions, and steering organizational evolution. Tobi earned an EMBA from the University of Washington and received a bachelor’s degree in political science and history from UCLA.

Estelle Hong :: Chief of Staff to CEO & Head of Strategic Operations

Estelle is a jack-of-all-trades by day, and a National Guardsman by night, bringing more than a decade of leadership experience from the Army and Intel Corporation. Estelle graduated from West Point with an Engineering Management degree and was commissioned as an Engineer Officer. Later, she received her MBA at Cornell University and joined Intel’s Accelerated Leadership Program, driving results in business HR, retail analytics, and the memory business. Estelle’s passion for driving disruptive technology and working with incredibly smart people aligns nicely in her opportunity to help scale Groq become an iconic company. Outside of work, she likes to snowboard, travel, play guitar, or hang out with her friends in San Francisco.

Dinesh Maheshwari :: Chief Technology Advisor

Dinesh Masheshwari brings to Groq more than three decades of executive and technical leadership with passion for enabling new businesses through entrepreneurship and innovation. He was part of the revolution in multi-threaded multi-processor systems in the mid-‘80s; was at the forefront of the EDA software revolution from late ‘80s to mid-‘90s; was part of the revolution in optical communications and networking from late ‘90s to early 2000s; while working at 9 startups, 3 of which he co-founded. Most recently he served as CVP, CTO of Memory Division at Cypress Semiconductor.

Dinesh is also a partner at SiliconCatalyst, where he mentors startups on business, market, product, and technology strategy. He has served on the Board of Advisors of 7 startups and on the Board of Directors of JEDEC and UPA. He has been awarded 58 US patents with  23 additional patents pending.

Sander Arts :: Head of Strategic Marketing

Sander has decades of marketing experience in large public, private, and start-up companies. He has an excellent reputation for driving value and supporting growth activities, from startups, such as Arduino and SiFive, to large public companies including NXP, Atmel, and Marvell. A native of the Netherlands, he holds strong ties into the Dutch start-up scene. He holds a Master’s degree from The Netherlands’ Radboud University Nijmegen and a certificate in Strategic Marketing Management from the Executive Program at Stanford Graduate School of Business. As a published author, he lectures at Stanford University on the topic of marketing. 

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