Mr. Powis is a Managing Partner at Brookline and focuses on the firm’s public financing and capital markets advisory business lines. Prior to joining Brookline, he served as Head of BTIG’s Investment Banking Group. Mr. Powis spent seven years at Lazard as Head of U.S. Equity Capital Markets and nine years at Cowen where he served most recently as Head of Equity Capital Markets. In all three cases, Mr. Powis focused on emerging growth companies and, in particular, healthcare enterprises. He began his career approximately 30 years ago at Credit Suisse First Boston in the Healthcare Investment Banking Group. Over the course of his career, he has completed several hundred financings and capit
Graham Powis
Managing Partner
Brookline Capital Markets
United States, New York, New York
About Me
Profile Information
Managing Partner
Brookline Capital Markets
Investment Team,Operations Team
Investor
Bank
New York
New York
United States
Oct 30, 2025
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