Ganesh Srinivasan

Ganesh is a Partner based in Venrock’s Palo Alto office with a focus in the areas of cloud computing infrastructure, developer tools and open source software

Prior to joining Venrock, Ganesh was most recently Chief Product Officer at Confluent, a commercial open source data infrastructure company that IPO’d in 2021. During his time at Confluent, his team grew 20x as he led the company’s transition from an open source on-premise model to a cloud based SaaS offering. 

In the past decade, he also helped scale engineering teams at Uber as VP Engineering, and LinkedIn during their hyper-growth phase. Ganesh has also been an active angel investor and advisor to numerous developer tools and infrastructure companies. 

Ganesh holds a Bachelor’s degree in Electrical Engineering from Delhi College of Engineering. 

Ethan Batraski

Ethan is a Partner based in our Palo Alto office where he invests across sectors, with a particular focus on hard engineering problems such as developer tools & infrastructure, open source software, space, and emerging compute.

He led the investments and serve as Board Member at Astranis, ABL Space, Astronomer, Atom Computing, Skyryse, and a few undisclosed open source software companies. Prior to Venrock, Ethan was a founding Partner at Profounder, with investments across space, robotics, infrastructure, and consumer.

Ethan joined us after +15 years as a founder and executive leader. Most recently he held leadership roles at Facebook, leading the Ads product and engineering efforts and overseeing a $15B+ run-rate business. Prior, he led product, growth, and design as VP Product and Design at Box through their IPO. Prior, he held leadership roles leading product and engineering teams at Adchemy (acquired by @WalmartLabs), Yahoo! Search, and RiseSmart (acquired by Randstad). Ethan is the lead or co-lead inventor on 16 patents.

In and out of the office, he is a passionate builder, space geek, and competitive athlete. You can usually find Ethan outdoors with his kids building things that launch or propel.

Nick Beim

Nick Beim focuses primarily on artificial intelligence, software, fintech and defense investments. He blogs on the economics of innovation at

Nick’s current investments include Dataminr, a real-time AI platform that identifies critical breaking information from publicly available data sets; Altruist, a digital investment and custodial platform for financial advisors; Vanilla, an estate planning platform for financial advisors; Interos, a multi-tier, multi-factor third-party risk management platform; Rebellion Defense, which develops AI-driven products that serve the mission of national defense;, an advanced computer vision analytics platform; Quiq, an enterprise application enabling messaging-based customer service; and Ombud, an enterprise application enabling intelligent sales content collaboration.

Prior to joining Venrock, Nick was a Partner at Matrix Partners and worked in the technology groups at McKinsey and Goldman Sachs. Nick serves on the Board of Directors of the Council on Foreign Relations, a foreign policy think tank, and America’s Frontier Fund, a deep tech fund focused on securing American technology leadership. He serves on the Board of Directors of Endeavor, a non-profit organization dedicated to supporting high-impact entrepreneurs globally that Tom Friedman has called “the best anti-poverty program of all.

Mike Tyrrell

Mike joined Venrock in 1999 after 16 years as an entrepreneur at venture-backed companies. He serves on the boards of Waybridge, Aria Systems, Mable, Numerated, and Salsify. Notable previous investments include Appnexus (acquired by AT&T), Bizo (acquired by LinkedIn), DataPower (acquired by IBM), Endeca Technologies (acquired by Oracle), ExtendMedia (acquired by Cisco), IMlogic (acquired by Symantec), Pedestal Software (acquired by Altiris), ZoomInfo (acquired by Great Hill), and WHERE (acquired by eBay). Prior to Venrock, Mike spent nine years with Spyglass, a Venrock-backed portfolio company, joining as their sixth employee to run sales and marketing. Spyglass licensed the first internet browser, Mosaic, to many of the world’s leading software, online services, and device companies, including Microsoft. As the Executive Vice President, Mike helped take the company public in 1995. Before Spyglass, he was with two other start-ups, Multiflow Computer and Celerity Computing, both UNIX systems pioneers. Mike began his career at Prime Computer. Mike earned his B.S. in Business Administration at the University of New Hampshire.


Bryan Roberts

Bryan joined Venrock in 1997. He is based in Palo Alto and seeks to partner with early-stage entrepreneurs innovating across the healthcare and life sciences industries. Bryan is currently involved with several companies across therapeutics, genomics, and HCIT, including 10X Genomics, Devoted Health, Element Biosciences, Encoded Therapeutics, Included Health (formerly portfolio companies Grand Rounds & Doctor on Demand), and Lyra Health. Past investments include Ariosa Diagnostics (acquired by Roche), athenahealth (NASDAQ: ATHN), Ikaria (acquired by Mallinckrodt), Illumina (NASDAQ: ILMN), Ironwood Pharmaceuticals (NASDAQ: IRWD), Sirna Therapeutics (acquired by Merck), and Zeltiq (acquired by Allergan).

Immediately prior to joining Venrock, Bryan received his Ph.D. in Chemistry & Chemical Biology from Harvard University. He received his B.A. from Dartmouth College.

Brian Ascher

Brian Ascher joined Venrock in 1998 as a Kauffman Fellow and is currently a Partner based in Venrock’s Palo Alto office.

Brian invests broadly across Enterprise and FinTech and currently serves on the Board of Directors of several companies including 6Sense,, Firstup, Nightfall,, SmartBiz Loans, and INRIX. Past investments include Personal Capital (acquired by Empower Financial), Vocera (NYSE:VCRA), ADiFY (acquired by Cox Enterprises), DATAllegro (acquired by Microsoft), Atrenta (acquired by Synopsys), Redbeacon (acquired by Home Depot), Tudou (acquired by Youku), RelayHealth (acquired by McKesson) and Unicru (acquired by Kronos).

Prior to Venrock, Brian was a Senior Product Manager at Intuit responsible for Quicken and, and earlier in his career was a Strategy Consultant at the Monitor Group. Brian has been named to the Forbes Midas List multiple times. Brian received his B.A. from Princeton University and his M.B.A. from Stanford University Graduate School of Business.

Prior board seats: Personal Capital,, Velocloud, Vocera, Atrenta, SlideShare, Tudou, Red Beacon, Adify, Datallegro, Unicru, WineryExchange


Bob Kocher, MD

Bob Kocher, MD is a Partner at Venrock and focuses on healthcare IT and services investments. He currently serves on the Boards of Devoted Health, Virta Health, Aledade,  Lyra Health, Newco Health, Sitka, and Premera Blue Cross.  He is a Board Observer at Grand Rounds, Stride, Doctor on Demand, Suki, and The Public Health Company.

Additionally, he is an Adjunct Professor at Stanford University School of Medicine and a Non-Resident Senior Fellow and Advisory Board Member at the Leonard D. Schaeffer Center for Health Policy and Economics at USC. He also serves on the Advisory Board of the National Institute of Healthcare Management (NIHCM).

Prior to Venrock, Bob served in the Obama Administration as Special Assistant to the President for Healthcare and Economic Policy on the National Economic Council, as a Partner at McKinsey & Company.

Bob received an undergraduate degree from the University of Washington and a medical degree from George Washington University. He completed a research fellowship with the Howard Hughes Medical Institute and the National Institutes of Health, and went on to complete his internal medicine residency training at the Beth Israel Deaconess Medical Center and the Harvard Medical School.