Michael A. Callen

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85 year

Finance

Consumer Services

Profile

Mr. Michael A. Callen is Non-Executive Chairman at Ambac Assurance Corp.
and Independent Director at Intervest Bancshares Corp.
He is on the Board of Directors at Intervest Bancshares Corp., Intervest Mortgage Corp., Intervest National Bank, and Intervest Corp.
of New York.
Mr. Callen was previously employed as President by Avalon Argus Associates LLC, Non-Executive Chairman by Ambac Financial Group, Inc., and Adjunct Professor by Columbia University.
He also served on the board at Citibank NA and Citicorp, Inc. He received his undergraduate degree from the University of Wisconsin.

Former positions of Michael A. Callen

Companies	Position	End
OCTAVE SPECIALTY GROUP, INC.	Chief Executive Officer	21/10/2008
Avalon Argus Associates LLC	President	01/01/2008
Citibank NA (New York) Citibank NA (New York) Major BanksFinance Provides national commercial banking services	Director/Board Member	01/01/1992
The Trustees of Columbia University in The City of New York The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University	Corporate Officer/Principal	01/01/1992
Citicorp, Inc. Citicorp, Inc. Regional BanksFinance Operates as a bank holding company whose subsidiaries provides banking services	Director/Board Member	01/01/1992

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Training of Michael A. Callen

Experiences
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Private companies

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Linked companies

Private companies	11
Octave Specialty Group, Inc. Octave Specialty Group, Inc. Specialty InsuranceFinance Operates as a holding company with the interests in providing financial services	Finance
Citicorp, Inc. Citicorp, Inc. Regional BanksFinance Operates as a bank holding company whose subsidiaries provides banking services	Finance
Intervest Mortgage Corp. Intervest Mortgage Corp. Investment Banks/BrokersFinance Provides mortgage loan services	Finance
Intervest Bancshares Corp. Intervest Bancshares Corp. Regional BanksFinance Operates as a bank holding company whose subsidiary provides banking services	Finance
Citibank NA (New York) Citibank NA (New York) Major BanksFinance Provides national commercial banking services	Finance
The Trustees of Columbia University in The City of New York The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Ambac Assurance Corp. Ambac Assurance Corp. Property/Casualty InsuranceFinance Operates as a holding company whose subsidiaries provides specialty property and casualty insurance	Finance
University of Wisconsin University of Wisconsin Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Intervest National Bank Intervest National Bank Major BanksFinance Nationally chartered commercial bank	Finance
Avalon Argus Associates LLC
Intervest Corp. of New York Intervest Corp. of New York Finance/Rental/LeasingFinance Provides mortgage loan services	Finance