Boston-based construction management firm Shawmut Design and Construction has elevated Les Hiscoe to chief operating officer and executive vice president. He was vice president of development in the firm's New York, New Jersey and Connecticut region and also oversaw its national retail and gaming group. Shawmut ranks at No. 80 on ENR's Top 400 Construction Firms list, with $558.1 million in 2010 revenue.

AREVA Inc., the Bethesda, Md.-based North American unit of the French nuclear and alternative energy developer, has named two new senior vice presidents. Tom Franch joins its reactors and services business group, based in Charlotte, N.C., overseeing areas such as installed base, new builds and the nuclear measurement business. He had headed AREVA's engineering and projects (E&P) organization in North America. Gary Mignogna joins E&P, based in Lynchburg, Va., to lead project management, engineering, construction, commissioning and other areas. He remains president of the AREVA-Day & Zimmermann joint venture.

Gregory M. Scott has joined the Portland Cement Association (PCA), Skokie, Ill., as senior vice president of government affairs. Based in Washington, D.C., he had been executive vice president and general counsel for the National Petrochemical and Refiners Association. PCA represents cement producers in the U.S. and Canada and conducts engineering, research, education and public-affairs programs.

John A. Derr, a principal of design firm Gannett Fleming, Harrisburg, Pa., and director of its national highway and civil practice leadership teams, has been named a senior vice president and director of its western region. A 24-year company veteran, he remains based in Phoenix.

Gail Corrigan has joined Kleinfelder Inc., the San Diego-based engineering firm, as senior project manager in Houston. The new role follows its Dec. 30 acquisition of Corrigan Consulting Inc., a Houston environmental services firm of which she was founder and president. A total of 18 Corrigan employees are now part of Kleinfelder.

Gunnar Hubbard has joined engineer-architect Thornton Tomasetti, New York City, following its Jan. 9 acquisition of Fore Solutions, a Portland, Maine, consultant, of which he was founder and principal. Hubbard now is a TT principal and head of its new building sustainability practice.

Developer Forest City Ratner Cos. (FCRC), New York City, has named Kathryn Welch as senior vice president of its retail group. She had been an executive of its parent, Cleveland-based Forest City Enterprises, in a role the firm did not disclose. Welch now assumes oversight of all FCRC retail projects, including those in metropolitan New York City.

Limbach Facility Services LLC, Pittsburgh, has promoted Padraic McGrath to chief financial officer. Joining the firm in 2008, he was most recently director ot tax compliance and assistant vice president. Dennis Sacco Sr. is elevated to chief operations officer for construction services from chief operations director. Promoted to both vice president and branch manager are Dennis Sacco Jr. in Woburn, Mass., and Robert Morgan in Garden Grove, Calif. Kyle Davis and Michael McCann were named to those posts in Orlando and Tampa, respectively, for Harper Limbach LLC, a contracting unit of Limbach.

Omaha-based engineer-architect HDR Inc. has elevated Douglas S. Wignall to president of its HDR Architecture Inc. unit. Formerly senior vice president and international director of the firm's health-care program, he succeeds Merle Bachman, who retired on Dec. 30. Wignall is a 20-year veteran of HDR. The architecture unit also named Michelle Halle Stern, based in Chicago, is director of sustainable design services. She was an associate at Perkins+Will. HDR ranks at No. 11 on ENR's Top 500 Design Firms list.

Boston-based architecture firm Shepley Bulfinch has named health-care planning and design specialist Mario Vieira as a principal. He joins the firm from a previous role as principal at architect Fletcher Thompson.

Lee VanDeKerchove and Susan Briggs have joined Southfield, Mich.-based architect Harley Ellis Devereaux as principals. The new roles follow the firm's Dec. 21 acquisition of VDK Architects, Oakland, Calif., where they were also principals. VanDeKerchove, that firm's founder, becomes science and technology studio leader at Harley Ellis Devereaux, and Briggs now is managing principal in the Oakland office, which now includes employees from the parent's Berkeley, Calif., office. Roland Lazzarotto, a VDK associate principal, continues in that role.

Norbert W. Young Jr. has joined design firm STV Inc., New York City, as senior vice president in charge of enterprise-wide virtual design and construction practices, ENR has learned. He had been managing director of consulting firm Duck Cove Associates Inc. and served as president of McGraw-Hill Construction, which is the parent entity of ENR. Young also was president of Bovis Management Systems and remains a board member of contractor Cianbro Corp.

Insurance broker Marsh has named Vincent C. Marrot to the new position of global leader of energy engineering and construction engineering in its international division. He will cover its construction practice outside of North America. Marrot, now based in Houston, had been senior vice president at AquaTerra Adjusters, a division of Cunningham Lindsey International.