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Len Martling

President & CEO

Len Martling came to The Weitz Company in 1981, and offers more than 35 years in the construction industry. He has supervised the construction of some of our most challenging projects, and continues to lead the company with new innovations in operational excellence.

Kevin McClain


Kevin McClain joined The Weitz Company in 1999 and has served customers in numerous project management, operations and executive leadership roles. After running the federal construction side of the business (Watts Constructors) for several years, he now oversees commercial construction. Kevin is a construction engineer and is active in many industry association groups, including the Construction Industry Institute and the Associated General Contractors of America.

Humberto Lopez2Humberto Lopez


Humberto Lopez joined The Weitz Company in 2012 with 25 years of experience in project management, design and construction of oil and gas, chemicals, manufacturing, distribution and food and beverage facilities – both domestic and international. He has expertise in construction management and design-build including leadership of multi-disciplinary engineering and construction teams for The Weitz Company. Humberto is a civil engineer with additional studies in project management and manufacturing.

Jack BrooksJack Brooks


Jack Brooks joined The Weitz Company in 2015, and shares more than 28 years of engineering and construction experience in the oil, gas and petrochemical industries. His background includes process engineering, project and program management for multi-million dollar EPC projects, as well as business development and leadership responsibilities.

David Strutt

Sr. Vice President General Counsel

David Strutt joined The Weitz Company in 1986 and supervises and manages all company contracts, licensing, corporate structure, acquisitions, legal and insurance programs. He is involved with the AGC Tax and Fiscal Affairs Committee and AGC Contracts Committee, as well as the American, State of Iowa and Polk County Bar Associations. David also has extensive experience in insurance and matters relating to senior living construction.

Jeremy MarronJeremy Marron

Chief Financial Officer

Jeremy Marron is a Certified Public Accountant and joined Weitz in 2005. He has over 16 years of financial and accounting experience in the public and private sectors as well as the construction industry. His expertise within The Weitz Company includes accounting, reporting, financing, banking, taxation, insurance and mergers and acquisitions.