John M. Jack is a seasoned professional in venture capital and board governance, currently serving as a Board Partner at Andreessen Horowitz since October 2012, and as Principal at Castle Peak Group since February 2012. As a CEO Partner at Harmonic Growth Partners, John M. Jack focuses on supporting growth companies, while also acting as a Venture Partner at Shield Capital, investing in frontier technology startups. Additionally, John M. Jack holds various board positions, including at Illumio, Contrast Security, and Aravo Solutions, contributing to firms that are innovating in security, risk management, and application protection. John M. Jack has a strong educational background, holding a BS in Finance from the University of California, Berkeley, and a GED from St. Ignatius College Prep.
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