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Areas of Practice
Mr. Callahan is a member of the firm’s Government Contracts and Complex Commercial Litigation Practice Groups.
Professional Qualifications
Mr. Callahan represents government contractors on a broad range of litigation matters, including bid protests and contract claims at the federal, state and local levels and prime/subcontractor disputes in state and federal court, arbitration and mediation. Mr. Callahan also counsels government contractors and grantees regarding their compliance with contract and legal requirements, accounting standards and audit practices. He has extensive counseling and dispute experience involving cooperative agreements, teaming agreements and other costshare and workshare agreements.
Mr. Callahan also has significant experience drafting technical documents and correspondence to government agencies designed to avoid disputes involving highly regulated industries, including segments of the telecommunications, energy, and transportation industries.
Mr. Callahan frequently contributes to bar publications and scholarly journals. Among other publications, his articles have appeared in the William & Mary Law Review, Cardozo Law Review, The Government Contractor, Legal Times (Washington), New York Law Journal, and The Federal Lawyer.
Clerkships
Hon. D. Brooks Smith, United States Court of Appeals for the Third Circuit,
2004-05 Term
Hon. Jackson L. Kiser, United States District Court for the Western District of Virginia, 2003-04 Term
Education
J.D., William & Mary Law School, 2003
M.B.A., William & Mary Graduate School of Business, 2003
B.A., University of New Hampshire, 1989
Bar Admissions
California - 2007
New York - 2004
District of Columbia - 2012
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