HGA Architects and Engineers has hired Alex Thorpe as associate vice president in Los Angeles. He will oversee client relations, marketing and strategic development of the growing corporate, arts and community practice groups serving the Southern California market. He was previously operations board member and client development director with TP Bennett LLP in the U.K.

WSP USA has named Sam Morrissey manager of the California and Nevada planning and environmental technical excellence center for transportation. Based in Los Angeles, Morrissey will support diversification and growth, drive strategic direction and manage the planning and environment team in California. He has nearly two decades of experience in the transportation industry.

Nathan Dean has been promoted to director, regional operations in Ware Malcomb’s San Diego office. In his new role, Dean oversees operations for the firm’s San Diego, Phoenix, Mexico City and Panama offices. Dean joined Ware Malcomb in 2004 as a project manager. Kimberly Huffman has been promoted to director, regional operations in the firm’s Irvine, Calif., office. She joined the commercial team in 2013 as a job captain, then became project architect and was tapped to be regional operations manager in 2016. Lucas Corsbie has joined Ware Malcomb as director, civil engineering in the firm’s Irvine office. He brings nearly 14 years of experience in civil engineering and land surveying.

Rick Castillo has joined Carrier Johnson + CULTURE as director of architecture in Los Angeles. Castillo has more than 30 years of experience in design, planning, client management and business development. He was previously a vice president at MVE + Partners.

Craig Goehring has moved from CEO to executive chairman at Walnut Creek, Calif.-based environmental engineering and construction firm Brown and Caldwell. President and COO Rich D’Amato has been promoted to CEO. Since joining Brown and Caldwell in 2013, D’Amato served in multiple leadership positions, including executive vice president of the firm’s private sector enterprise.

Parul Chandra has joined Stantec as a principal in Los Angeles and will lead the firm’s sustainable supply chain program. Chandra spent the past 12 years with NBCUniversal, where she served as the director of the corporate supplier social responsibility program and led the global manufacturing compliance program.

HNTB Corp. has named Mark Ramsey in Los Angeles as the firm’s West division tunnel practice construction management and delivery leader and vice president. Ramsey has 25 years of experience in tunnel engineering, construction engineering and management. Ramsey will maintain his role as implementation manager for the program management team on the Bay Area Rapid Transit Silicon Valley Phase II project in San Jose.

Steve Howard has joined Build Group Inc. as vice president of business development at the San Francisco-based general contracting firm. Howard had a 33-year career at Intel, most recently as Northwest U.S. regional sales manager.