The People at TWIN


Geoffrey Gerber

President & Chief Investment Officer

Ph.D. in economics and finance, University of Pennsylvania
B.S. in economics, University of Buffalo
With TWIN since 1990

Having founded TWIN in 1990, Geoff is the Chief Investment Officer overseeing the entire quantitative investment process and general management of the firm.   Recognized as a specialist in institutional quantitative investment management, he has been quoted in the financial press and authored numerous articles in books and journals. 

Outside of TWIN, Geoff is a faculty member for the Aresty Institute’s Wharton Executive Education Program on Pension Funds and Investment Management.  He participates in a number of foundations’ investment committees and boards including the Burroughs Wellcome Foundation, the Jewish Federation of Greater Pittsburgh and the Jewish Healthcare Foundation.  Geoff is also a member of the Editorial Advisory Board of the Journal of Investment Consulting.

James Hough

Senior Vice President, Quantitative Systems

M.S. in information science, University of Pittsburgh
B.S. in computer science, University of Pittsburgh
With TWIN since 1991

Jim is responsible for the design and development of all of the proprietary systems used to support TWIN's sophisticated quantitative modeling, back-testing and trading environments.

Christopher Erfort, CFA

Senior Vice President, Portfolio Management

M.B.A., Robert Morris University
B.A. in international business management, Marietta College
With TWIN since 1997

Chris is responsible for trade implementation and measurement. As a portfolio manager, Chris co-manages the equity portfolios and is responsible for the derivative portfolios for the portable alpha overlays.

Pasquale Rocco

Director of Research

M.A. in statistics, University of Michigan
B.A. in economics, The George Washington University
With TWIN since 1997

Pat is responsible for analysis supporting all of TWIN Capital's investment models, and he plays a key role in the development of new products. Pat coordinates the activities of TWIN's outside academic consultants and also supports our quantitative systems software tools.

Stephen Larence

Senior Investment Analyst

M.B.A., Carnegie Mellon University
B.A. in finance, Duquesne University
With TWIN since 1999

Steve aids in development, testing and evaluation of new and existing quantitative equity models. He creates tools that seek to streamline the investment process, analyze equity portfolios and generate potential trading decisions.