On February 17, 2011, Daryl L. Osby was sworn in by the Los Angeles County Board of Supervisors as the ninth Fire Chief of the Los Angeles County Fire Department, an international leader of the fire service. For 28 years, he steadily rose up the firefighting ranks as a member of the Department, including 16 as an accomplished chief officer. Just prior to his appointment as Fire Chief, he served as Chief Deputy of Business Operations, a role in which he successfully managed the increasingly complex business functions to support the Department's front line operations.

Chief Osby heads one of the largest emergency services agencies in the world, providing fire suppression and life safety services to more than 4.1 million residents and commercial business customers in 58 cities served by the Department, and all the unincorporated areas of the County within its 2,300-square-mile service delivery area. The Department operates out of 171 fire stations, including 4,800 emergency responders and business professionals operating on an annual budget of over $900 million. In addition, the County of Los Angeles Fire Department provides lifeguard, health hazardous materials, and forestry services throughout the County. It is also the home of California Task Force 2, an elite Urban Search and Rescue team that is deployed throughout the nation and around the globe following major disasters.

He is an advocate for continuing education, and currently holds a Bachelor of Science Degree in Organizational Leadership from Azusa Pacific University. He is also a graduate of Harvard University's prestigious Senior Executives in State and Local Government and National Preparedness Leadership Programs, completed Dillard University's Executive Development Program and the Martin Gang Institute for Intergroup Relations at Loyola Marymount University. He is a California State Certified Incident Commander and Chief Officer

Throughout his career, Chief Osby has been actively engaged in several community-based youth programs and non-profit organizations in the Southland. As Fire Chief, he is a member of the International Association of Fire Chiefs, as well as other key fire service organizations.