Sean Leonard, President and CEO


With more than 30 years of experience in the Southern California real estate development and construction industry, Sean L. Leonard began his career as a concrete subcontractor and progressed to general contracting and development management. He now heads S.L. Leonard & Associates, which oversees multi-million dollar projects primarily for nonprofits and public entities.

Through his relationships with leaders of all aspects of the industry, Sean knows how to bring the appropriate resources into projects at the appropriate time, and is an expert at project closeouts and turnarounds. Sean managed the Walt Disney Concert Hall and The California Endowment Headquarters and Conference Center, both of which were awarded the prestigious AIA Presidential Award for Project Team of the Year.

Sean’s other projects include the Camarillo Public Library, the WAV (Working Artists Ventura) mixed use project, the Ventura County Museum Expansion, Crossroads Community Church, offices for 16 nonprofits in the 55,000-square foot Ventura County Community Foundation’s Nonprofit Center, City of Hope Helford Replacement Hospital and Legal Aid Foundation of LA’s new headquarters. Other notable projects Sean managed prior to forming S.L. Leonard & Associates include the million-square foot Wilshire Courtyard, Third Street Promenade, the 52-story Gas Company Tower and the UCLA Law School Addition and Renovation. Under Sean’s direction, his firm has managed apartment and condominium projects totaling more than 2,000 units of housing.

Through the USC School of Civil and Environmental Engineering, he has been an adjunct professor and taught in both the Master of Construction Management and the Master of Science in Civil Engineering degree programs. Sean also guest lectures in the Masters in Real Estate Development program at USC. As a faculty member through the UCLA Extension program, Sean lectures on construction management and is a guest lecturer for the UCLA Shopping Center Development class. He received the 2013 Distinguished Instructor Award from UCLA Extension. Sean was a speaker at the 1997 International Parking Institute Annual Convention in Seattle, Washington, where he spoke on “Innovations in the design and construction of parking structures.” In 2011 Sean was invited to speak at the University Of California’s capital programs’ system wide annual conference on Quality Control during the Preconstruction Process and also at Housing California’s Annual Conference on “Innovations in Project Delivery.” In 2014 Sean moderated Los Angeles Urban Land Institute’s panel on “The Art of Development.”

Sean serves as the vice chair of the board of directors of The Boys and Girls Clubs of Greater Oxnard and Port Hueneme; vice board chair of A Community of Friends, developers of low income and special needs housing and is a board member of the Ventura County Medical Resource Foundation, the Studio Channel Islands Art Center and Vista Real Charter School. He is an advisor to the Small Business Development Center of Ventura and Santa Barbara Counties, is a member of the Construction Management Association of America and is a repeat speaker to SCANPH (So Cal Assoc of Non Profit Housing). Sean was featured in the Pacific Coast Business Times’ “Who’s Who in Commercial Real Estate and Construction” and “Who’s Who in Sustainability.”

Sean holds a B.S. in civil engineering from UCLA and an M.B.A. from USC.

Read about S.L. Leonard & Associates in the Ventana Monthly Publication


David Maron interview’s Sean Leonard on Camarillo’s IMpact TV to talk about the city’s new library. Watch the video below.