Glen Maxwell has been promoted to senior vice president of preconstruction at the PENTA Building Group. Maxwell, with 25 years of construction experience, is responsible for guiding PENTA’s acquisition and preconstruction services in Southern California as well as Nevada and Arizona. He joined the firm in 2002 and has worked on projects spanning PENTA’s markets across the southwestern U.S., including The Metropolis Residential Tower in downtown Los Angeles.

Reg Hiebert has been promoted to national account manager of science and technology at specialty contractor ISEC Inc., where he has worked for 20 years, most recently as Southern California’s business development manager. Hiebert will continue to grow ISEC’s laboratory sector.

Bob Bell, a 30-year ISEC veteran, was promoted to national account sales for science and technology and will also focus on the company’s laboratory pipeline. Jeff Walker was promoted to senior vice president and will oversee Southern California and Hawaii. Walker played a key role in the expansion of ISEC’s California construction division and drives the firm’s philanthropy through ISEC Foundation, which he leads as president. 

Matt Rossie has been promoted to senior vice president and executive team member at Webcor, where he has led some of the company’s largest and most complex projects since 2001. He now oversees projects that include university housing, research laboratories, academic buildings, office buildings, museums and civic buildings.

Tama Snow has joined Stantec as a senior principal and water area manager in the company’s San Diego office. With three decades of experience in Stantec’s Southern California-based water practice, Snow specializes in planning, design and construction of water-related facilities, including water delivery, recycled water and wastewater.

Martin Engelmann has joined Stantec as senior transportation planning manager in the company’s Walnut Creek, Calif., office, where he will work with the Pacific region transportation group to grow the local transportation market. With more than 35 years of experience, Engelmann previously worked at the Contra Costa Transportation Authority.

Jon Foad was named president of Rudolph and Sletten Inc. Foad, previously the firm’s senior vice president of operations for Northern California, succeeds Martin Sisemore, who will continue to serve as CEO.

Mary Laux returns to Environmental Science Associates’ (ESA) Northern California team as principal planner. Laux began her career at ESA and has spent the last 16 years with AECOM as an associate principal/planner managing multidisciplinary projects ranging from small infills to the master planning of sites spanning hundreds of thousands of acres in the U.S. and abroad.

Benjamin Mahaffay joins Burns & McDonnell in California as a senior civil engineer specializing in heavy civil pavement design. Mahaffay will provide design, engineering and construction services for commercial and federal aviation clients’ airfield pavements.