California-Great Basin Org Chart

2800 Cottage Way
Sacramento, CA 95825-1898

The Acting Regional Director, Adam Nickels, has six positions reporting to him. He also has three Deputy Regional Directors reporting to him and those Deputy Regional Directors have employees reporting to them. Those employees are listed with bullets.

Adam Nickels
Acting Regional Director, CGB-100

Principal Deputy Regional Director, CGB-103
Adam Nickels

Office of Equal Employment Opportunity, CGB-104
Theresa Sanchez, Acting EEO Manager

Division of Resources Management, CGB-400
Melissa Vignau, Resources Manager

Division of Human Resources, CGB-500
Vacant, Human Resources Officer

Regional Liaison Officer, CGB-106
Brandee Blumenthal

Special Assistant, CGB-106
Melissa Harris

Deputy Regional Director Operations, CGB-105
Kristin White

  • Northern California Area Office, NCAO-100
    Elizabeth Hadley, Area Manager
  • Central California Area Office, CCAO-100
    Drew Lessard, Area Manager
  • South-Central California Area Office, SCC-100
    Vacant, Area Manager
  • Central Valley Operations Office, CVO-100
    Levi Johnson, Operations Manager
  • Bay-Delta Office, BDO-100
    Dave Mooney, Bay-Delta Office Manager
  • San Joaquin River Restoration Program, CGB-170
    Don Portz, Program Manager

Deputy Regional Director Business Services, CGB-110
Ed Young

  • Office of Communications, CGB-140
    Mary Lee Knecht, Regional Chief
  • Division of Financial Management, CGB-3000
    Sabir Ahmad, Regional Financial Manager
  • Information Management and Technology (IMT), CGB-3100
    Paul Charkiewicz, IMT Manager
  • Program and Budget Office (PBO), CGB-3200
    Robert C. Ward, PBO Manager
  • Division of Acquisition Services, CGB-3800
    Brenda Davis, Acquisition Services Manager

Deputy Regional Director Technical Services, CGB-115
Melanie “Lanie” Paquin

  • Regional Construction Office, RCO-100
    Cathy Wise, Construction Engineer
  • Division of Engineering and Technical Services, CGB-200
    Jesse M. Castro, Chief, Division of Engineering and Technical Services/Regional Engineer
  • Division of Environmental Affairs, CGB-150
    Anastasia Leigh, Regional Environmental Officer
  • Lahontan Basin Area Office, LBAO-100
    Jack Worsley, Area Manager
  • Klamath Basin Area Office, KBAO-100
    Alan Heck, Area Manager
  • Division of Safety and Security, CGB-160
    Daniel Villanueva, Safety & Occupational Health Manager

Regional Special Agent, Winnow Driscoll: 720-392-3226 / wdriscoll@usbr.gov
Regional Security Officer, Lucas Hobbs: 916-204-2139 / lhobbs@usbr.gov
Acting Regional Ethics Officer, Alex Jacobson: 916-978-6135 / alex.jacobson@sol.doi.gov

Last Updated: 3/14/25