Interactive Brokers Group
Trustee and Director
Interactive Brokers
Director of Investor Relations
GAMCO Investors, Inc.
Research Analyst
AIS Capital Management, L.P.
Senior Research Analyst
Advent Capital Management
Research Analyst - Convertibles
Oppenheimer Capital
Research Analyst
Gabelli Performance Partnership
Research Analyst
Robeco
Research Analyst
William D. Witter, Inc.
Research Analyst
Columbia University - Columbia Business School
Wellesley College
Columbia University
