Headquarters and Center Chief Counsel Contacts

Apr 24, 2025

• General Counsel
  Iris Lan

• Deputy General Counsel
  Bryan R. Diederich (Acting)

• Director of Legal Operations
  Christine Pham (Acting)

• Associate General Counsel for Commercial and Intellectual Property Law Practice Group, Headquarters
  Karen Reilley

• Associate General Counsel for Contracts and Acquisition Integrity Law Practice Group, Headquarters
  Scott Barber

• Associate General Counsel for General Law Practice Group, Headquarters
  Katie Spear

• Associate General Counsel for International and Space Law Practice Group, Headquarters
  Rebecca Bresnik

• Agency Counsel for Ethics, Headquarters
  Adam F. Greenstone

• Director of the NASA Acquisition Integrity Program (Fraud Remedies) and the Agency Counsel for Acquisition Integrity, Headquarters
  Robert Vogt (Acting)

• Agency Counsel for Intellectual Property, Headquarters
  Trenton Roche

• Chief Counsel, Ames Research Center
  Dan Hymer (Acting)

• Chief Counsel, Armstrong Flight Research Center
  Brett Swanson

• Chief Counsel, Glenn Research Center
  Callista M. Puchmeyer

• Chief Counsel, Goddard Space Flight Center
  Dave G. Barrett

• Chief Counsel, Johnson Space Center
  Randall T. Suratt

• Chief Counsel, Kennedy Space Center
  Alex Vinson

• Chief Counsel, Langley Research Center
  Andrea Z. Warmbier

• Chief Counsel, Marshall Space Flight Center
  Pam A. Bourque

• Chief Counsel, NASA Management Office at JPL
  James T. Mahoney

• Chief Counsel, NASA Shared Service Center
  Ron Bald

• Chief Counsel, NASA Stennis Space Center
  Ron Bald