Tom Case has been named senior vice president in the civil group for Sundt Construction in Tempe, Ariz. Case, who is also chairman of the Highway & Transportation Division for the Associated General Contractors of America's board of directors, is charged with expanding the firm's portfolio as well as its geographic reach. He previously worked at Granite Construction, from which he retired in November after 27 years with the firm.

Sundt Construction has also hired Ryan Cannon as project manager in the firm's Tempe office. Cannon's first project will be constructing the $136-million Biosciences Partnership Building in downtown Phoenix. Cannon previously worked as a project manager with a contracting firm in Gilbert, Ariz.

Rider Levett Bucknall has brought back Scott Sumners as an associate principal at the firm's Phoenix office. Sumners will be working with the firm's public and private sector clients throughout Phoenix and will expand the firm's project management and owner's representative services. Sumners has more than 20 years of experience in construction and real estate development. Specializing in urban development, he is a project management professional with the Project Management Institute and a certified construction manager with the Construction Manager Certification Institute.

Ryan Cos. US Inc. hired Tyler Wilson and Josh Tracy to help build the company's Southwest division from the firm's Phoenix office. Wilson, who specializes in large assets, has been named director of development. He has more than a decade of experience in the industry. Tracy has been named associate developer and will be responsible for analyzing opportunities through financial and market analysis.

Kevin Evernham has been promoted to regional director at Ware Malcomb's Phoenix office. Evernham will continue to oversee numerous aspects of the firm's business, including client relationships, client development and all projects managed out of the office. With 20 years of experience in the industry, Evernham joined Ware Malcomb in 2012. He has designed award-winning office, retail, industrial, library, high-tech, multifamily and custom residential projects while also pursuing his passion for restaurant design.

MWH Constructors has hired Todd Kerschbaum as vice president and director for global energy in the firm's Phoenix office. He will be responsible for both domestic and international projects and will deploy technologies that focus on efficient and responsible use of energy. Kerschbaum previously served as CEO of a solar engineering and construction company. He has more than 25 years of experience in the industry.

The Albuquerque office of Parsons Brinckerhoff added Gregory Clarke as a supervising transportation engineer. Clarke will serve as a project manager and lead engineer on upcoming transportation projects throughout New Mexico. Clarke previously served with the New Mexico Dept. of Transportation and has more than 20 years of industry experience. He is also a member of the Institute of Transportation Engineers.

John Williams has joined Phoenix design firm Gensler as a senior project architect. Williams is a registered architect who brings more than 30 years of experience to his new position. He is a graduate of Arizona State University.