P. Bart Stephens, Managing Partner
Bart Stephens is a Co-Founder and Managing Partner of Stephens Investment Management, LLC (SIM). Stephens Investment Management is a family owned and operated hedge fund and venture capital firm. Bart and his brother and Co-Founder Brad invented the term and pioneered "Nanocap" investing - venture capital style investing in the public markets focused on sub micro-cap equities.
Bart has a background as both an operating entrepreneur and a venture capitalist. Prior to co-founding SIM, Bart was Executive Vice President, Venture Capital for Ivanhoe Capital Corporation (ICC), an international investment firm.
Before joining ICC, Bart was a founding investor and head of corporate & business development for Oncology.com. Oncology.com grew to become the internet's largest cancer related web site before being sold to Pharmacia (now Pfizer) in 2001.
Prior to Oncology.com, Bart spent more than two years with E*TRADE, an early internet innovator in online financial services. While at E*TRADE, he held senior positions focused on product marketing, business development and corporate development.
Bart has been a guest lecturer at four different business schools and testified in front of the President's Council on Science and Technology - all before the age of 30.
Bart earned a BA degree in Political Science from Princeton University in 1997. While at Princeton, his academic work focused on the intersection of information technology and national security issues.
Bart lives in Tiburon, California with his wife Amanda (P'94) and their two children.
W. Bradford Stephens, Managing Partner
Brad Stephens is a Managing Partner of SIM, co-founded in 2002. His diverse background in domestic and international finance includes sell-side securities analysis, hedge fund management, venture capital and family office management. Prior to co-founding SIM, Brad worked as the senior analyst at Fidelity Ventures, the venture capital arm of Fidelity Investments. At Fidelity, Brad focused on the areas of Internet Security and New Media, leading investments into e-Security, Sanctum and Managed Objects. He also founded Fidelity's Biometric Consortium, a cutting edge collaboration of all Fidelity's business units designed to explore, pilot and implement biometric security systems within Fidelity and eventually its consumer clients.
Brad also worked as a research analyst in CSFB's Technology Group, specializing in Internet Security and Internet infrastructure software. While at CSFB, Brad helped raise over $1.3 billion for companies under coverage. Prior to working at CSFB, Brad worked as a research analyst at Furman Selz (later acquired by ING Barings), where he co-founded their Internet Research Group and co-authored the first financial industry piece on Internet Security.
Brad has a bachelor of arts degree from Duke University where he was an economics major with an emphasis on China. This work included direct venture capital experience in Beijing, where he helped seed-finance SRS, the first outside technology investment into China, which later became Sina.com (Nasdaq: SINA). Brad also sits on the board of IMI Exchange, the global leader in virtual goods exchange, based out of Seoul, Korea.
Paul H. Stephens, Partner and Chairman
Paul Stephens is a Partner and Chairman of SIM. Paul has been a leading figure in west coast asset management and investment banking for over thirty years. He is the co-founder and Managing Director of RS Investments. RS Investments (formerly Robertson Stephens Investment Management) is a San Francisco-based mutual fund group that manages over $7 billion in assets.
Paul was also a co-founder of Robertson Stephens & Company ("RSCO") with Sandy Robertson in 1978. While at RSCO, he initially headed up the firm's research and institutional sales groups, before managing the Robertson Stephens venture capital group from 1984-1990. RSCO grew to become one of the world's premier boutique investment banks, helping to finance hundreds of Silicon Valley growth companies. RSCO was sold to Bank of America in 1997 and then re-sold to BancBoston in 1998. Paul spearheaded RSCO's expansion into the asset management business and launched the Orphan Fund in 1990 and the Contrarian Fund in 1993. These funds were part of the foundation of the RSCO asset management business that would later become Robertson Stephens Investment Management.
Paul is a past Chairman and board member of the Haas Business School Advisory Board at the University of California at Berkeley. As an Adjunct Professor of Finance at Haas, Paul taught an investment class for ten years entitled "Investment Styles and Strategies" to second-year MBA students. He has also been an active board member of DUMAC (the Duke Management Company), which manages Duke University's endowment fund, as well as a director of the U.C. Berkeley Foundation. In 2002, Paul was named a Berkeley Fellow. Paul holds both Bachelor's (1967) and Master's (1969) degrees in Business Administration from the Haas School of Business at U.C. Berkeley.
Mary K. Williamson, Director of Operations
Mary Williamson is the Director of Operations for SIM. Her professional background includes 15 years of experience contributing in various capacities at both sell-side and buy-side investment firms. Prior to joining SIM in January 2005, Mary worked for 5 years with Paul Stephens at RS Investments where he managed the RS Orphan Fund. Before joining RS Investments, Mary was at the money management firm of McCullough, Andrews & Cappiello, where she assisted with marketing, liaised with consultants, prepared portfolio characteristics and performance results as well as performed administrative and operational duties for the firm. Prior to McCullough, Andrews & Cappiello, Mary held registered sales assistant and administrative positions at Drexel Burnham Lambert and L.F. Rothschild, Inc.
Mary has a Bachelor of Science degree, with honors, from the University of San Francisco where she majored in Applied Economics. She also holds a degree in French from the Sorbonne at the University of Paris. Mary holds an NASD Series 7 license.