As police chief, Spiller will earn $184,000 annually.
Spiller, 43, joined the Pleasanton force in 2002 and most recently has been a captain in the Investigations and Support Services Division, managing all support, investigative, administrative and communications functions.
Prior to coming to Pleasanton, Spiller served as a police sergeant in the Mountain View Police Department. He began his career in 1989 as a police officer with the city of San Diego.
Spiller holds a master's degree in Arts from Saint Mary's College and received a bachelor's degree in science at the University of San Francisco. He also is a graduate of the California Command College and the Senior Management Institute for Police at Harvard's Kennedy School of Government.
"I am committed to sustaining Pleasanton's quality of life by ensuring the safety of our community and continuing the department's collaboration with residents, the business community, and our school district," Spiller said.
"I look forward to working with the community, our elected officials, the city manager and the fine men and women of the Pleasanton Police Department," he added.
Spiller and his wife Kathleen have a 3-year-old daughter.
In making the announcement Tuesday morning, Fialho said:
"After a comprehensive search to fill this vital position, I am confident that David Spiller exceeds the rigorous criteria for the position of police chief.
"He has a strong and positive reputation as an open communicator with a proven track record of effective and proactive leadership, and divergent experience in serving other municipalities."
An official swearing-in ceremony will be held in the council chamber at 9 a.m. Monday morning.