Details
Rachael Horwitz is the CMO of Haun Ventures, and she was the VP of Communications at Coinbase. Rachael Horowitz currently serves as the first-ever Spark Capital Marketing and Communications Partner. This role will put Horwitz at the head of the firm’s marketing and communications activities, along with community events and initiatives. Horwitz spent nearly five years at Twitter as Communications Director, and then took that experience to Facebook’s Communications department for another 15 months.
Work Experience
Education Experience

Relevance Person

Sam Rosenblum
Sam Rosenblum is Vice President of Operations at Phantom and was previously a partner at Haun Ventures and a partner at Polychain Capital, Director of Business Development at Coinbase, Global Strategy Associate at Visa, and Analyst at Lake Partners Strategy Consultants. He obtained his B.A. from the University of California, Los Angeles, where he was a part of the UCLA Honors College and Sigma Alpha Epsilon Fraternity.

Mike Lempres
Mike Lempres previously served as Executive Director, general counsel, and Head of government affairs at Andreessen Horowitz. Previously, he was Chief Policy officer at Coinbase. He has extensive expertise in emerging or challenging regulatory environments, international affairs and corporate governance. He was elected to the Atherton City Council and is an active board member in both private and non-profit entities.

Will Robinson
Will Robinson is vice president of engineering at Coinbase and previously served as chief Technology officer at Chronicle. He graduated from Stanford University.

Manish Gupta
Manish Gupta previously served as Executive Vice President of Engineering at Coinbase and also served as Vice President of Engineering at Lyft. He is a graduate of the University of Mumbai and the University of Illinois at Urbana-Champaign.

Max Branzburg
Max Branzburg is Head of consumer products at Coinbase and a graduate of Princeton University.

Alex Pruden
Alex Pruden is the chairman of Aleo and has worked at Andreessen Horowitz and Coinbase. He graduated from Stanford University.

Amanda Jacobsen
Amanda Tyler is the Head of Marketing for Optimism and was previously the Director of Community for Polygon and Manager of Developer Relations at Google.

Jim Posen
Jim Posen is the co-founder and CTO of Irreducible, and previously worked at Parity Technologies and Coinbase. Jim Posen received his undergraduate degree from Duke University and his master's degree from Stanford University.

Colin Armstrong
Colin Armstrong is the founder of Paragraph and was previously an engineering manager at Google. He holds a Bachelor's degree in Computer Engineering from the University of Waterloo.

Michael Blau
Michael Blau currently works at royal, formerly an investment partner at Andreessen Horowitz and a portfolio analyst at BlackRock. He graduated from the Olin School of Business, University of Washington, St. Louis, USA.