Daniel H. Petree

Managing Director

Dan has more than 30 years of experience in the biotechnology industry, serving in a variety of roles that included investment banker, senior operating manager, and corporate/securities lawyer. Before co-founding Four Oaks Partners in 2012, Dan was a partner in P2 Partners, a life sciences advisory firm he co-founded withMonte Pitt in 2000.

Prior to P2 , Dan was President and Chief Operating Officer of Axys Pharmaceuticals, a structure-based drug design company in South San Francisco. He also held successive positions at Axys as Executive Vice President of Business Development and Chief Financial Officer. Prior to Axys, Dan was Vice President of Business Development at TSI Corporation, a clinical research organization in Worcester, MA, with an M&A roll-up strategy. Dan’s operating management experience was preceded by five years in investment banking at Montgomery Securities, most recently as Vice President in the Health Care Group. Dan, who spent part of his childhood in Japan and speaks Japanese, also served as Montgomery Securities’ Japanese Fund Manager and Director of Pacific Rim Investments. Dan’s career began in the practice of law. He was a corporate and securities lawyer with Heller, Ehrman, White & McAuliffe in Palo Alto, CA. He currently sits on the Board of Lpath (Chairman), Sutro Biosciences, and Biocept. Dan received his BA from Stanford University and JD from the University of Michigan.


Our firm is focused on bringing extensive operating, financial and investment experience to the execution of transactions for life sciences companies.

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