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Board of Directors, Advisors and Investors

Board of Directors

Joseph Ansanelli
Joseph Ansanelli

Partner, Greylock

Joseph is a Partner at Greylock focused on investing in enterprise applications, security and storage as well as new emerging mobile applications. Prior to joining Greylock, he spent the majority of his career as an entrepreneur. He was CEO and co-founded several companies, including Vontu, which was acquired by Symantec in November 2007 for $350 million. Joseph is currently on the Boards of Lookout and Sumo Logic.

Ping Li
Ping Li

General Partner, Accel

Ping has been with Accel Partners since 2004. He focuses on early stage and growth software and digital media investments. He is also responsible for Accel’s Big Data Fund. Within software, Ping is currently a board member of Cloudera, Code 42, Lookout, Nimble Storage, RelateIQ, Tenable Network Security and Trifacta. Ping has been named to the Forbes Midas List of Top Tech Investors and Business Insider’s 50 Most Powerful People In Enterprise Tech. He has appeared on CNBC’s Investing in the Cloud and Tech Titans vs. Start-ups, as well as Bloomberg TV.

Joe Hellerstein
Joe Hellerstein

Co-Founder & CSO

Joe is Trifacta’s Chief Strategy Officer, Co-founder and Jim Gray Chair of Computer Science at UC Berkeley. His career in research and industry has focused on data-centric systems and the way they drive computing. In 2010, Fortune Magazine included him in their list of 50 smartest people in technology, and MIT Technology Review magazine included his Bloom language for cloud computing on their TR10 list of the 10 technologies “most likely to change our world”.

Sean Kandel
Sean Kandel

Co-Founder & CTO

Sean is Trifacta’s Chief Technical Officer and Co-founder. He completed his Ph.D. at Stanford University, where his research focused on user interfaces for database systems. At Stanford, Sean led development of new tools for data transformation and discovery, such as Data Wrangler. He previously worked as a data analyst at Citadel Investment Group.

Adam Wilson
Adam Wilson


Adam has spent eighteen years in leadership roles focused on data integration and analytics. As GM of Informatica’s Information Lifecycle Management division, Adam grew revenues more than 400% in five years. Prior to that, as SVP of Product Management & Marketing for Informatica’s flagship data integration products, Adam was instrumental in helping the company expand beyond ETL and grow product revenues to more than $200M. Adam also co-founded and was COO of Zimba, a pioneer in mobile business intelligence.

Board of Advisors

Maneesh Agrawala

Professor, Stanford University

Scott Aronson

Chief Revenue Office, Medallia

Michael Bernstein

Professor, Stanford University

Mike Bostock

Graphics Editor, The New York Times and Creator of D3.js

Carlos Guestrin

Professor, University of Washington

Jeff Hammerbacher

Chief Scientist, Cloudera

Sam Madden

Professor, MIT

Dave McJannet

Chief Executive Officer, HashiCorp

Tim O'Reilly

Founder & Ceo, O'Reilly Media, Inc.

DJ Patil

Former U.S. Chief Data Scientist, White House Office of Science and Technology Policy

Tye Rattenbury

Director Data Science and Machine Learning, Salesforce

Jay Simons

President, Atlassian

Pete Skomoroch

Entrepreneur and Former Principal Data Scientist, LinkedIn

Dave Smoley

Chief Information Officer, AstraZeneca

Craig Villamor

Vice President Product Experience and Design, AppDynamics