Administration

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The County Administrator is appointed by and serves at the discretion of the Los Alamos County Council. The County Administrator is the chief administrative officer of the County and is responsible to the Council for the administration of all County affairs placed in his charge by state statute, the Charter, County ordinance, or the Council.

Contact us:

505-663-1750
lacadministrator@lacnm.us
133 Central Park Square, Los Alamos, NM 87544
Office Hours: Mon. through Fri. - 8 a.m - 5 p.m.
Click one of these links for public records, or public relations information.

County Administrators

Anthony J. Mortillaro

Title: County Administrator

Photo of Anthony Montillaro - Assistant County Administrator

Anthony has over 30 years of local government experience and was recently appointed to the position of County Administrator as of October 22, 2009. Preceding this appointment Anthony served as the Assistant County Administrator, having served in that capacity since August, 2004. Prior to joining the County of Los Alamos, he served as Town Manager of Prescott Valley, Arizona and City Manager of Blaine, Washington. Anthony possesses a Master’s Degree in Public Administration from the University of Colorado, Boulder.

lacadministrator@lacnm.us

Diana Stepan

Title: Assistant County Administrator

Diana Stepan joined the County in 2001 as the Administrative Services Director and was promoted to Assistant County Administrator in 2004. She is a Certified Public Accountant and has an MBA. Diana’s responsibilities include oversight of the Community Services Department (Library, Recreation, Parks, Open Space and Cultural Services) and the General Services Department (Human Resources, Information Technology, Office of Management and Budget, Procurement and Risk/Safety). She is also the Indigent Health Care Administrator. Prior to joining the County, Diana held several senior financial positions in the private sector.

lacadministrator@lacnm.us

Administration Staff

Laura A. Beckley

Office Manager

Jackie Salazar

Senior Office Specialist

Barb Ricci

Records Administrator

Melissa Salmon

Senior Office Specialist

Scott C. Frederick

Economic Vitality Administrator

scott.frederick@lacnm.us

Brian Bosshardt

Assistant to the County Administrator

brian.bosshardt@lacnm.us

**Contact Information**
County Administrator Los Alamos County	505-663-1750 lacadministrator@lacnm.us