General Partner at venture capital firm Venrock, where I invest in tech entrepreneurs, particularly in software, artificial intelligence, fintech and defense.

Some of the startups I have invested in: Dataminr, Altruist, Interos, Rebellion Defense, Percipient.ai, Chisel AI, Quiq, Care.com, Intent, JBoss.

Have deep interests in public policy and serve on the Board of Directors of the Council on Foreign Relations and the Executive Advisory Board of the Center on Global Energy Policy.

Also serve on the Board of Directors of Endeavor, a non-profit that supports high-impact entrepreneurs globally and that Tom Friedman called "the best anti-poverty program of all."