Chief Marilyn Diaz, M.S., B.S.

Senior Associate

Retired Chief of Police, Sierra Madre
Retired Commander, Pasadena, California Police Department

In 1974 Marilyn Diaz began her career when she was hired as the first woman to be directly assigned as a patrol officer in the Pasadena Police Department.   She promoted through the ranks, and in 2006 Marilyn retired as a Commander, where she led the Administrative Services and Field Operations Divisions.

In March of 2006 Marilyn was appointed as Sierra Madre’s Chief of Police.  Chief Diaz was the first woman in Los Angeles County to become chief of a municipal police department.  Marilyn retired from the Sierra Madre Police Department in December 2011.

Ms. Diaz has a Master’s degree in Education from the University of Southern California, and earned her Bachelor’s degree in Police Science at California State University, Los Angeles.

Marilyn Diaz has served on the boards of Women at Work, Boy Scouts of America, Pacific Clinics, and the Caltech Women’s Club. Marilyn also serves as a docent for the Caltech Architectural Tour Service, and is on the Caltech Women’s Club Board.  Marilyn is President of the Rotary Club of Sierra Madre for 2013-2014. She also teaches Youth Protection at the Rotary District level.