Office of the Chief Counsel

Marc Nichols
Chief Counsel

Kostas Poulakidas
Chief of Staff

Lorelei Peter
Principal Deputy Chief Counsel
Strategic Operations

Matthew Vachon (A)
Deputy Chief Counsel
Business Operations

Tracy B. Cotton
Executive Director for Operations

John A. Dietrich
Director & Chief Administrative Judge
Office of Adjudication

Brett Daee
Assistant Chief Counsel
Employment & Labor Law

Laura Megan-Posch
Assistant Chief Counsel
Regulations

Taneesha Marshall
Assistant Chief Counsel
Aviation Litigation

Diane Cherinchak-Loughrin (A)
Assistant Chief Counsel
Information Law

Mark S. Teskey
Assistant Chief Counsel
Acquisition & Fiscal Law

Scott Mitchell
Assistant Chief Counsel
Airports & Environmental Law

James Landon
Assistant Chief Counsel
International Affairs & National Security Law

Sara Mikolop (A)
Assistant Chief Counsel
Legislation

Russell Christensen
Assistant Chief Counsel
Ethics & Compliance

Joe Manges
Division Counsel
Airports Organization (ARP)

Humberto Ruiz
Division Counsel
Air Traffic Organization (ATO)

Amanda Sheridan
Division Counsel
Office of Security & Hazardous Materials (ASH)

Michael Fineman
Division Counsel
Commercial Space Transportation (AST)

Theresa Dunn
Division Counsel
Aviation Safety (AVS)

Organizational Chart (PDF)

Last updated: Monday, April 01, 2024