Dennis McNamara

General Counsel at OPPENHEIMER HOLDINGS INC.

Net worth: 2 M $ as of 2026-06-29

Finance

Consumer Services

Consumer Non-Durables

Profile

Dennis Patrick McNamara is currently Director at Oppenheimer Cooperative UA, Secretary, Executive Vice President & General Counsel at Oppenheimer Holdings, Inc., and Executive Vice President & General Counsel at Oppenheimer & Co., Inc. Former positions include Executive Vice President & General Counsel at Plaid Holdings Corp from 1995 to 1997, Member of the Corporate & Securities Department at Shea & Gould LLP from 1987 to 1993, and General Counsel at JJC Securities Co., Inc. from 2002 to 2006.
Education includes an undergraduate degree from Cornell University conferred in 1983 and a graduate degree from The University of Texas School of Law conferred in 1987.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
OPPENHEIMER HOLDINGS INC. CLASS A 0.19%	2026-03-01	20,177 ( 0.19% )	2 M $	2026-06-29

Dennis McNamara active positions

Companies	Position	Start
OPPENHEIMER HOLDINGS INC.	General Counsel	-
Oppenheimer & Co., Inc. Oppenheimer & Co., Inc. Investment ManagersFinance Provides wealth and asset management, brokerage & investment banking services	General Counsel	2005-12-31
Oppenheimer Cooperative UA	Director/Board Member	-

All active positions of Dennis McNamara

Former positions of Dennis McNamara

Companies	Position	End
JJC Securities Co., Inc. JJC Securities Co., Inc. Investment Banks/BrokersFinance Provides security brokerage services	General Counsel	2005-12-31
Plaid Holdings Corp Plaid Holdings Corp Apparel/FootwearConsumer Non-Durables Apparel manufacturer	General Counsel	1996-12-31
Shea & Gould LLP	Corporate Officer/Principal	1992-12-31

See the detail of Dennis McNamara's experience

Training of Dennis McNamara

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Dennis McNamara's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	8
Oppenheimer Holdings, Inc. Oppenheimer Holdings, Inc. Investment Banks/BrokersFinance Provides financial services, including securities brokerage, investment banking, and asset management	Finance
Oppenheimer & Co., Inc. Oppenheimer & Co., Inc. Investment ManagersFinance Provides wealth and asset management, brokerage & investment banking services	Finance
Plaid Holdings Corp Plaid Holdings Corp Apparel/FootwearConsumer Non-Durables Apparel manufacturer	Consumer Non-Durables
Cornell University Cornell University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Shea & Gould LLP
The University of Texas School of Law The University of Texas School of Law Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
JJC Securities Co., Inc. JJC Securities Co., Inc. Investment Banks/BrokersFinance Provides security brokerage services	Finance
Oppenheimer Cooperative UA