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FAS Leadership Team

The following individuals fill key leadership roles in the national and 11 regional offices of the Federal Acquisition Service (FAS).

FAS National Office Leadership Team:

Mary A. Davie: Acting Commissioner

William A. Sisk: Acting Deputy Commissioner

Assistant Commissioners

  • Amanda G. Fredriksen: Office of Strategy Management
  • Karen J. Hampel: Office of Administration
  • Houston W. Taylor: Office of Acquisition Management
  • Timothy E. Fleming: Office of Assisted Acquisition Services
  • Michael A. Tyllas: Office of General Supplies and Services (Acting)
  • Kevin Youel-Page: Office of Integrated Technology Services (Acting)
  • William F. Webster: Office of Travel, Motor Vehicle and Card Services
  • Agnes W. Leung: Office of the Controller
  • Elizabeth F. DelNegro: Office of the Chief Information Officer
  • Tamela L. Riggs: Office of Customer Accounts and Research

FAS Regional Offices Leadership Team:

FAS Regional Commissioners:

  • Region 1: Sharon A. Wall
  • Region 2: Paul J. McDermott
  • Region 3: Linda C. Chero
  • Region 4: Erville Koehler
  • Region 5: Kim E. Brown  
  • Region 6: Mary Ruwwe
  • Region 7: Kathy E. Colomo (Acting)
  • Region 8: Timothy O. Horne
  • Region 9: Michael S. Gelber
  • Region 10: Tiffany T. Hixson
  • National Capital Region: Alfonso J. Finley

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