Administrative Services Manager Mark Giacomini

Portrait of Mark GiacominiCareer

Mark Giacomini began his career with Placer County as a Budget Analyst for the County Executive Office in 2005, and was promoted to the position of Senior Management Analyst in 2007. In 2014, after nine years in the County Executive Office, Mark joined the Placer County Sheriff’s Office as the Administrative Services Manager.

As a member of the County Executive’s Health and Justice team, Mark served as the lead Senior Management Analyst for:

  • District Attorney’s Office
  • Health and Human Services
  • Office of Emergency Services
  • Placer County Fire
  • Probation Department
  • Sheriff’s Office

In this role, he was responsible for policy and budget, including oversight of Public Safety Fund budgetary and fiscal management.


Mark enlisted in the United States Navy in 1982, and served 21 years on active duty, until he retired in September 2003. His first 10 years were served in the enlisted ranks at duty stations in San Diego, Mississippi and Virginia. While stationed in Virginia, Mark was deployed multiple times to the Mediterranean Sea, Indian Ocean, and North Atlantic Ocean onboard the aircraft carriers USS Independence (CV-62) and USS Forrestal (CV-59).

Mark received his Bachelor of Science in Business Administration from Old Dominion University in Norfolk, Virginia in 1991, and was commissioned to the rank of Ensign that same year. He spent the next 12 years as a Navy Supply Officer serving at duty stations in:

  • China Lake
  • Georgia
  • Guam
  • Nevada
  • San Diego

Upon his retirement from the Navy, Mark moved to Auburn to be near his children. His first post-military employment was as an operations manager at the Target Distribution Center in Woodland, California. He was with Target for nearly two years, until he accepted his initial position with Placer County in 2005. Mark continues to reside in the Auburn area. He has three sons, and is an avid San Francisco Giants and 49er fan. When he’s not at work, you’ll most likely find him on a golf course somewhere.