Investment Research Team

PCM’s investment team is led by Gregg J. Powers, the firm’s CEO and Chairman, who joined the firm in 1988.


  • Gregg Powers
    CEO and CIO
  • David Sissman
    Portfolio Manager
  • Andrew Martin
    Senior Vice President
  • Erick Sönne
    Senior Vice President

Gregg J. Powers, Chairman, CEO and Chief Investment Officer

Gregg J. Powers is Chairman, and Chief Executive Officer of PCM.  Mr. Powers began his investment career as a healthcare analyst at Raymond James Financial.  Mr. Powers joined PCM’s investment research team in 1988.  During the early 1990s, Mr. Powers became co-portfolio manager, credited with the primary underwriting of PCM’s investments in technology, healthcare, and telecommunications.  Mr. Powers became President of PCM in 1999, CEO in 2008, and assumed the role of Chairman in 2009.  As portfolio manager, Mr. Powers oversees all aspects of the investment of client portfolios.

Mr. Powers has a Bachelor of Science degree in Finance from the University of Florida.

David A. Sissman, Managing Director and Portfolio Manager

David A. Sissman joined PCM from H.I.G. Capitalís hedge fund unit, where he was a founding principal of the firmís value-oriented long/short equity fund in 2006. At H.I.G. Capital, Mr. Sissman focused primarily on health care, business services, and special situation investments. He also helped develop and direct the firmís investment research process.

Mr. Sissman previously served as a principal within H.I.G. Capital's private equity group, where he identified, evaluated, and led acquisitions of private healthcare and business services companies. Earlier in his career Mr. Sissman worked at Bain & Company, a leading management consulting firm, where he worked with Fortune 500 companies to implement strategic plans and operational improvements.

Mr. Sissman holds an MBA from Harvard Business School. He received his Bachelor of Arts degree in Statistics and Spanish from Rice University.

Andrew L. Martin, Senior Vice President

Andrew Martin joined PCM from H.I.G. Capitalís hedge fund unit, where he was a senior research analyst for the firmís value-oriented long/short equity fund. At H.I.G. Capital, Mr. Martin focused primarily on industrials, business services and special situation investments.

Mr. Martin previously was Director of Research at Polen Capital Management, where he helped develop and direct the firmís research process. Prior to Polen Capital, Mr. Martin worked at Fine Capital Partners, a value focused long/short equity fund and at Sanford C. Bernstein, a leading institutional equity research firm. Earlier in his career Mr. Martin worked at Credit Suisse First Boston as an investment banker and at the public accounting firm Arthur Andersen, earning a CPA.

Mr. Martin holds an MBA from Columbia Business School. He received his Bachelor of Science in Applied Economics and Business Management from Cornell University.

Erick A. E. Sönne, CFA, Senior Vice President

Erick Sönne joined PCM from Steinberg Asset Management in New York where he spent 6 years as a research analyst. He focuses on a broad range of industries including energy, agriculture, transportation, insurance and regional banks.

Mr. Sönne earned a Bachelor of Science degree in Foreign Service, Cum Laude from Georgetown University School of Foreign Service. He holds the Chartered Financial Analyst designation.


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