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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.
Adam Tachner

CLO & VP of Corporate Development

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.
Adrian Mendes


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.
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.
Dennis Abts

Chief Architect & Groq Fellow

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 of 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.
Brian Holley

VP, Sales & Customer Solutions

Brian serves as Vice President of Sales and Customer Applications Engineering bringing over 25 years of sales leadership and business development experience. Prior to joining Groq, Brian led Intel PSG’s North American data center sales organization, establishing machine learning and virtualized acceleration FPGA business, for key hyperscaler and enterprise customers. Prior to this Brian led global sales organizations with both Intel and Altera Corporation stretching across India, China, South America, and Europe. Brian started his career as an electrical engineer graduating from Texas A&M University. In his free time, he enjoys playing golf, soccer, scuba diving, snowboarding, and church activities but most importantly spending time with his wife and daughter.
PJ Jamkhandi

VP of Finance & Accounting

PJ is Groq’s VP of Finance & Accounting and Corporate Controller with 20+ years experience in the semiconductor space. PJ joined Groq from Facebook Inc. (NASDAQ:FB) where he was the Head of Finance for the company’s Server Infrastructure, Privacy and Infrastructure Engineering orgs. At Facebook he led the Server Infrastructure FP&A and Analytics orgs and managed Facebook’s multi-billion dollar Infrastructure investment portfolio. Before Facebook, PJ was Director of Corporate Development at Inphi(NYSE: IPHI), an optical semiconductor company, where he led strategic acquisitions and investments. PJ provides financial and business leadership at Groq by leveraging his experience in technology innovation and financial management at leading semiconductor companies such as Broadcom, Marvell, Cisco, Maxim and holds two US patents in high throughput chip design and functional testability.
Mark Heaps

VP of Brand & Creative

Mark Heaps brings over 20 years of creative experience and passion to Groq. He snapped his first picture at the age of four and years afterward he picked up a guitar, a skateboard, and a can of spray paint, then kick-flipped his way to becoming a professional creative. He has led projects and teams for some of the top Fortune500 brands including Apple, Google, Adobe, Dell, Capital One and E&J Gallo. He is a published author, award winning speaker, featured at events like Adobe MAX, SXSW, CreativePro Week and others. His passion is igniting the soul of a company, driving synergy on projects, recognizing the heart of a brand are the people it serves. Today he resides in Austin, Texas, with his wife, two rad kids, a Goldendoodle, and another dog that lied about not being part chihuahua.
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.
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.
Dr. Ford Tamer

Board Member

Dr. Ford Tamer served as President and Chief Executive Officer of Inphi for nine years until its recent $10B+ merger with Marvell. Under Dr. Tamer’s stewardship, Inphi became the trusted market leader for electro-optics solutions for cloud and telecom operators, increasing revenue from these customers more than 20 times during his tenure, to an annual run rate of about $750 million.

Prior to Inphi, Dr. Tamer served as CEO of Telegent Systems. Before this, he was Senior Vice President and General Manager of Broadcom’s Infrastructure Networking Group, which he grew five-fold to $1.2 billion in revenue within five years, making that business the uncontested leader in infrastructure silicon solutions. He also served as co-founder and CEO of Agere Inc., which pioneered Network Processors (now at Intel as the Ixia product line). After Agere was acquired by Lucent Microelectronics, Dr. Tamer became Vice President at Agere Systems, a spin-off from Lucent. Earlier in his career, Dr. Tamer co-founded, operated, and assisted in the growth of system management software, artificial intelligence, and renewable energy businesses. He serves on the Boards of Directors of Marvell, Teradyne, and Sentons. Dr. Tamer holds a MS and Ph.D. from MIT.