Joseph Lonsdale is an entrepreneur and venture capitalist. He co-founded companies including Palantir Technologies, Addepar, and OpenGov, and also co-founded and serves as the managing partner at the technology investment firm 8VC. He was born in 1982 and grew up in Fremont, California, He earned his bachelor's degree in Science at Stanford University. At the beginning of his career, he worked as an intern in Paypal, then started working as an executive at Clarium Capital, a hedge fund run by Lonsdale's mentor, Peter Thiel. He co-founded Addepar, a wealth management technology company. Lonsdale co-founded the venture capital firm Formation 8 in 2011, and another called 8VC in 2015.