SCARANGELLO

Thomas Scarangello, chairman of Thornton Tomasetti, the New York City-based design firm, has been named to the additional role of CEO as part of a corporate succession plan that takes effect on May 12. He replaces Dan Cuoco, who is retiring at the end of May, says the firm. Robert DeScenza, COO since 2005, becomes president, and managing principals Aine Brazil and Dennis C.K. Poon have been named vice chairpersons. With the firm for 40 years, Cuoco will become a company consultant, according to Thornton-Tomasetti. Scarangello joined in 1979.

On April 8, David R. Gaboury was elected president of ASFE/The Geoprofessional Business Association, a national not-for-profit group of geoprofessional firms that is based in Silver Spring, Md. He is president and CEO of Terracon, a consulting engineer based in Olathe, Kan. Geoprofessional firms provide geotechnical, geologic, environmental, construction-materials engineering and testing as well as related services.

GABRIEL

Black & Veatch, the Overland Park, Kan., engineering and construction manager, has named Mark Gabriel as senior vice president and executive director of its management consulting business. Based in Denver, he now leads the company's strategy practice that helps clients manage risk and enhance performance across utility operations. Gabriel, formerly senior vice president of engineer R.W. Beck, authored the book “Visions for a Sustainable Energy Future,” which won the 2009 Indie Award for excellence in environmental writing.

Global engineer WSP Flack + Kurtz, New York City, has named Paul M. Meyer as vice president of commissioning to oversee the firm's practice in its New York and Washington, D.C., regions. Previously a senior engineer at Horizon Engineering, he also was treasurer of the Building Commissioning Association's Northeast region and is now acting secretary of the Long Island chapter of the U.S. Green Building Council and chairman of the national group's education committee.

Deron Allen has been named president of Tennessee American Water, a wholly owned subsidiary of American Water, the largest investor-owned U.S. water and wastewater utility company. He is formerly vice president of operations for another American Water unit, Indiana American Water, since April 2010. Tennessee American Water provides water services to more than 350,000 people in Tennessee and northern Georgia, says the company.

WASCO Inc., a Nashville-based contractor that is also the nation's tenth-largest masonry firm, has named William A. “Andy” Sneed Jr. as president and CEO. Joining the firm as a laborer in 1977, he most recently served as its chief operations officer. WASCO ranks at No. 440 on ENR's list of the Top 600 Specialty Contractors.

SNEED

MAYER

Shawn Devine has joined Bomel Construction Co., an Anaheim Hill, Calif., structural concrete contractor, as vice president and head of its newly formed architectural and site concrete services division. He was a vice president at Livermore, Calif.-based Bay Area Concretes and, before that, president of Sullivan Concrete.

SCHOTT North America Inc., an Elmsford, N.Y.-based specialty glass and materials technologies manufacturer, has named Linda S. Mayer as president and CEO, the first woman to head the 2,800-employee unit, the company says. She succeeds Gerald Fine, who is now a director of the firm's parent, SCHOTT Corp. Mayer had been a vice president at Terex Corp. and general manager of its aerial work-platform division. She also was vice president of corporate marketing at Rexnord Corp., a manufacturer of power transmission and industrial components.

Craig W. Wilkinson has been elevated to vice president of program management services at Pegasus Texas Construction LP, a Dallas-based construction management firm. He was program director of construction since 2006.