Jack Seibald

Jack Seibald

Founder at Cowen Prime Services LLC

63 year
Finance
Consumer Services
Commercial Services

Profile

Mr. Jack Seibald is MD & Global Co-Head of Prime Services at Cowen Prime Services LLC and General Partner at Sds Partners I Ltd.
Mr. Seibald co-founded Concept Capital Markets, LLC, and until its acquisition by Cowen, served as a Managing Member of the firm.
During his tenure with Concept Capital, Mr. Seibald was involved in the management of all aspects of the firm’s operations, with a particular emphasis on business and client development and legal matters.
Mr. Seibald served as a member of the Board of Managers of Concept Capital Holdings, LLC, the company’s former parent, Concept Capital Administration, LLC, which provided administrative services to the company and its affiliates, and ConceptONE, LLC, which provided risk and performance analytic solutions, middle and back office support services, and regulatory reporting services to investment managers.
Mr. Seibald has been affiliated with the firm and its predecessors since 1995 and has extensive experience in prime brokerage, investment management, and investment research dating back to 1983.
From 1997 to 2005, Mr. Seibald was also a Managing Member of Whiteford Advisors, LLC, an investment management firm, where as co-founder, he co-managed several pools of funds.
He began his career at Oppenheimer & Co. as an equity analyst covering the retailing industry and has also been affiliated with Salomon Brothers, and Morgan Stanley & Co in similar positions.
Mr. Seibald also operated The Seibald Report, Inc., an independent research firm specializing in the retailing sector.
For some fourteen years through 2017, Mr. Seibald served as a member of the Board of Directors of Kingstone Companies, Inc. a publicly traded insurance holding company, during which time he gained extensive experience in corporate policy and governance matters.
He holds an MBA from Hofstra University and a BA from George Washington University.

Jack Seibald active positions

CompaniesPositionStart
Founder 28/02/2010
Director/Board Member 31/12/2005
SDS Partners I Ltd. Corporate Officer/Principal -
All active positions of Jack Seibald

Former positions of Jack Seibald

CompaniesPositionEnd
KINGSTONE COMPANIES, INC. Director/Board Member 29/04/2017
Portfolio Manager-Equities 29/11/2007
Corporate Officer/Principal -
Corporate Officer/Principal -
Corporate Officer/Principal -
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Training of Jack Seibald

George Washington University Undergraduate Degree
Hofstra University Masters Business Admin

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

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Connections

66

1st degree connections

12

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Listed companies1
KINGSTONE COMPANIES, INC.

Finance

Private companies9

Finance

Finance

Salomon Brothers

Finance

Finance

Finance

Finance

Finance

Commercial Services

SDS Partners I Ltd.

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