Executive Bios

James “Jim” Backer has over twenty-eight years of experience in commercial/industrial real estate with a strong background in development, sales and marketing. Prior to launching JSB Development in 2000, Jim was an executive with Newhall Land, developers of the planned community of Valencia in California. There he gained significant experience in office, mixed-use and industrial development, and comprehensive land planning. He had a major role in the planning and development of the Valencia Commerce Center and Valencia’s Town Center Drive. After leaving Newhall Land, Jim developed a 670-acre business park in West Sacramento and the 240-acre Centre Pointe Business Park in Santa Clarita, the first significant employment center outside of Valencia to serve the Santa Clarita Valley region. Under his leadership, JSB Development has developed 43 buildings totaling 1.1 million square feet. The company recently received approval for development of Vista Canyon, a new 185-acre transit oriented community in Santa Clarita, California. Mr. Backer is a licensed Real Estate Broker in the State of California and a member of the Build-to-Suit Forum for the National Association of Industrial and Office Properties. Jim was founding President, a Board member since inception, and current President of the SCV Education Foundation, a nonprofit foundation dedicated to improving public education in the Santa Clarita Valley. He is a long-time board member and former President of the Foundation for Children’s Dental Health, a non-profit organization committed to providing dental care to children of low-income working families. After growing up in Omaha, Nebraska, Jim graduated from Stanford University with a degree in History and earned his MBA from the Anderson School of Business at UCLA.

Glenn Adamick has 23 years of planning and development experience. He started his career with the City of Santa Clarita in the Community Development Department processing large residential, commercial and industrial development projects and later moved to the City Manager’s Department (Economic Development Division) where he was the point person on the creation of the Downtown Newhall Redevelopment Project Area and other economic development projects. In 1999, Glenn accepted a position as Vice President with national homebuilder Beazer Homes and was responsible for land acquisition and forward planning for projects north of downtown Los Angeles. He joined The Newhall Land and Farming Company in late 2000. As Vice President, Forward Planning and Entitlements, Glenn was charged with completing entitlements for remaining residential and commercial/industrial projects within the Valencia Master Plan including Valencia Commerce Center, WestCreek, RiverVillage, and Soledad Village. He also had lead entitlement responsibility for the implementation of the approved Newhall Ranch Specific Plan. Glenn is President of the Foundation for Children’s Dental Health, a non-profit organization dedicated to providing dental care to children of low-income working families. He grew up in Santa Clarita, California and graduated from California State University Northridge with a degree in Urban Studies/Urban Planning.


Stephen “Steve” Valenziano has over 30 years of diverse experience in the real estate industry in brokerage, consulting and development. His distinguished career includes the design and implementation of innovative organizational models, strategies and tools to align corporate goals, operations and financial objectives. He has consulted for many major companies including Disney, United Healthcare, Capital One, and The Boeing Company. Prior to joining JSB Development, Steve served as Managing Director for Jones Lange LaSalle, an international real estate services firm, within that company’s Strategic Consulting group. A prominent figure in California’s commercial real estate industry, his career includes executive positions with Grubb & Ellis, Langdon Reider and Knight Frank Faulkner Baillieu. Steve was born in Baltimore, Maryland and graduated from Villanova University. He is an author and speaker on a variety of organizational, planning and corporate real estate issues.

© JSB Development 2012 27451 Tourney Road, Suite 250    Valencia, CA 91355  ▪  p. 661.255.3275