Managing Director, D.E. Shaw and Co., L.P.
Founder and CEO, Acme Packet
Medical College of Wisconsin director of research commercialization
Vice President for Research at UT Health Science Center at San Antonio
Head of global research and development at Life Technologies
Chair, Department of Chemical Physiology, The Scripps Research Institute; Co-director, Center for Physiological Proteomics, The Scripps Research Institute
Serial Entrepreneur and Investor
CEO and Fund Manager, Renaissance Venture Capital Fund