“The Team Approach to Building”

Larry Lang, LEED AP

Larry began his career in the construction industry in 1976. He joined Diversified in 1982 as a Project Manager/Estimator. Today, as President of Diversified, Larry serves as Principal in Charge and Preconstruction Manager on the firm’s major projects. His experience in trade work, project management, estimating, scheduling and program management allow him to focus on making every Diversified project a success.

Martin Hass
Vice President

Martin joined Diversified in 1993. He has a degree in architecture and has worked in the fields of architecture and construction for over thirty years. Martin is well known by the Tucson subcontractors for his high expectations and his commitment to excellence in all phases of construction.

Kirk Johnson, LEED AP
Vice President

Kirk has been with Diversified since 1994, starting as a General Superintendent and after many successful projects becoming a Project Manager on our most complex projects. His wide-ranging experience is complemented by many industry-specific education programs. Since 2003, Kirk has also served as Vice President.

Caren Shepard
Vice President

Caren joined Diversified in 1979 as part of the administrative team. Working over the years in all aspects of the company, she currently serves as a Vice President managing Diversified’s civil division.

Ed Lieber
Chief Financial Officer

Ed started his career practicing as a CPA with an emphasis on construction and real estate. In 1994, Ed joined Diversified Design & Construction as Treasurer and now serves as Chief Financial Officer.

Hal Ashton

A native Tucsonan, Hal founded Diversified Design & Construction, Inc. in 1976. Hal currently serves as Chairman of Diversified.