After 16 years, BHB Consulting Engineers’ co-founder Don Barker has stepped down as CEO and Scott Pettit has been appointed as the new CEO. BHB’s executive team also includes Chris Hofheins as president and Jay Miller as COO. 
 

MWH Constructors has added Neil Tunmore as the firm’s new chief operating officer and Marco Aieta as global director of engineering. Tunmore worked at Intel Corp. for more than 30 years. Aieta has more than 30 years of experience in alternative delivery and project management, most recently as chief engineer for Corona Environmental Consulting.

GE Johnson Construction Co. has hired Nick Siakotos as a vice president and promoted Michelle Robinette to general manager. Siakotos earned a law degree from Indiana University with an emphasis on insurance, contracts, administrative law, dispute resolution and employment law. Robinette has worked for GE Johnson for 10 years, most recently as senior project manager for the St. Francis Medical Center Expansion in Colorado Springs.

The company also hired Ryan Heeter as chief operating officer and promoted Greg Morgan to preconstruction director. Most recently, Heeter was executive vice president of operations and business unit leader at a firm in northern California. Morgan was most recently the firm’s senior preconstruction manager.

PCL Construction Enterprises Inc. announced that Deron Brown, executive vice president, has been appointed to Make-A-Wish Colorado’s board of directors, a group of professionals from various backgrounds who support the organization’s governance.

PCL also has hired Scott Beckman as director of sustainability. Before joining the contracting firm, he worked as senior project manager for an energy company in Colorado.

Hensel Phelps has promoted David Brooke to operations manager. He is overseeing Lockheed Martin Space System’s $350-million design-build Gateway Center project in Denver. He has worked at Hensel Phelps for his entire career.

Hyder Construction has added six new employees to its team. Damon Balcerak joins the firm as a senior project manager, Gary Phillips is a senior estimator, John Rocha is a project manager and John Quade, Kevin Skelly and Scott Willms join the firm as superintendent.

AECOM has hired Wes Kindt, based in the firm’s Greenwood Village, Colo., office, to be part of the Gulf Southwest Region Transportation Dept., while Anthony DeVito has joined the firm as senior program director. As design-build project manager, Kindt will focus on the alternative-delivery market in Colorado.

Mortenson has promoted Gene Hodge and Dave Kuntz in its Denver office. Hodge has been promoted to vice president and general manager. He has been a member of Mortenson’s Denver leadership team since 2012. Kuntz has been promoted to director of operations.

Zane Wright recently joined D.L. Adams Associates as an acoustical consultant in the firm’s Denver office. D.L. Adams also hired Leo Nickel as director of business development.

After 27 years with the Regional Transportation District, Scott Reed recently announced his retirement as the agency’s assistant general manager of communications. Reed began work at RTD in 1991, when the agency was just starting to build the Rocky Mountain region’s first light rail line.