Harold Tuck was appointed Chief Information Officer for the County of San Diego in March 2008. His responsibilities include all operational and strategic Information Technology functions for San Diego County, providing services to 17,000 County employees at over 200 facilities.

San Diego County is the 2nd largest county in California with revenues over $5B annually and a geography encompassing over 4200 square miles. The County was the first Municipal Government to outsource all IT functions to the private sector. As CIO, one of Mr. Tuck’s primary, and highly visible responsibilities is to ensure that County government and its citizens receive the full benefit of this multi-year, $700million IT Outsourcing Contract.

A key member of the County's executive team, Harold works closely with the Board of Supervisors and Chief Administrative Officer Walter F. Ekard to implement new management practices that stress customer service, accountability and team-work. In this position, he is leading the County Technology Office towards accomplishing the countywide strategic goals of improving opportunities for children, protecting the environment, and promoting safe and livable communities.

Harold joined the County in 1986 as Electronic Data Processing coordinator for Health Services. He rose through the ranks to become regional General Manager for the Health and Human Services Agency's Central Region, and Director of Housing and Community Development. In 2002, he became the General Manager for the Public Safety Group.

In addition to his County service, Harold is also on the following Board of Directors: Neighborhood House Association, Rest Haven Children’s Health Fund, and the Community Advisory Board for Union Bank.

Harold was born in Baltimore, Maryland, and attended undergraduate school at Morgan State University, in Baltimore majoring in Biology. Subsequently Harold has earned Masters Degrees from National University, and San Diego State University.