Ned David is a scientist and entrepreneur. In 2011, David co-founded UNITY Biotechnology, a company dedicated to lengthening human healthspan by selectively clearing senescent cells from the body. Before UNITY, he co-founded four biotechnology companies that together raised over $1.5 billion in financing and today employ over 400 scientists, engineers, and business people. UNITY, his latest company, recently closed a series B with investment from ARCH Venture Partners, Venrock, and Jeff Bezos – among others.

Ned is a co-founder of Syrrx (acquired by Takeda), Achaogen (AKAO), Kythera Biopharmaceuticals (KYTH, acquired by Allergan), and Sapphire Energy.

Ned was named one of the Top 100 innovators in the world under 35 by MIT Technology Review. He holds a Ph.D. from the University of California, Berkeley in Molecular and Cellular Biology and an A.B. in Biology from Harvard University.