Kenneth E. Rigmaiden was unanimously elected general president of the International Union of Painters and Allied Trades, the 140,000-member union said on April 1. The former executive general vice president succeeds James A. Williams, who retires from the role he held since 2003. Williams has been a union member since 1968. 

Rigmaiden, who joined IUPAT in 1977, is a former union local president, based in San Jose, Calif., and participated in the first regional collective-bargaining agreement for northern California, says IUPAT. He is co-chairman of IUPAT's Finishing Trades Institute and a trustee of both the AFL-CIO's Coalition of Black Trade Unionists and its Housing Investment Trust. He also is a director of ULLICO Inc., the union-owned insurance and investment firm. Elected as IUPAT executive general vice president through August 2014 is Bill Candelori, eastern-region general vice president, who will still manage regional operations.

Alan J. Leak has joined RESPEC Consulting & Services, Rapid City, S.D., as principal-in-charge of its water-rights/infrastructure business unit, he tells ENR. The role follows the firm's March 18 purchase of Denver-based water-resources firm WRC Engineering Inc., of which he had been president. Leak is still based in Denver. 

ISEC Inc., an Englewood, Colo., specialty contractor, announces a corporate succession. Dusty Morgan, formerly executive vice president, is named president and CEO. He replaces Donald Shaw, who was in the role since 2005. Mike Polanchyck, who was senior vice president, succeeds Morgan. He leads operations of the firm's California and Northwest regions. ISEC ranks at No. 60 on ENR's list of the Top 600 Specialty Contractors. The firm says it has revenue of $250 million and 1,000 U.S. employees.

Merrick & Co., the professional services firm now based in Greenwood Village, Colo., has elevated President David G. Huelskamp to the additional role of CEO, succeeding Ralph W. Christie Jr., who continues as chairman. Huelskamp, who joined Merrick in 1996, is also a director and former president of the Society of American Military Engineers' metro Denver post and on the advisory board of the Colorado Association of Black Professional Engineers and Scientists. Christie, who was CEO since 1997, is national vice chair of the American Council of Engineering Companies.

Pennoni Associates Inc. has named William Allen as vice president for business development. He had been director of project development for the large-projects group at Skanska USA Civil Inc. Allen, also a former American Road and Transportation Builders Association board member, now is based in Chantilly, Va. 

Andrew "Andy" Summers has joined Houston-based KBR as group president for infrastructure, government and power. He was the group president of rail and infrastructure at UGL Ltd., a Sydney, Australia-based global engineer, contractor and operations firm. Summers also had been CEO for the Australia and Asia-Pacific regions of Pirelli Cables & Systems.

Global engineer and project-management firm AMEC has named Mark Winstead as vice president and conventional-power-sector lead for North America. Based in Atlanta, he had been vice president of SAIC Constructors LLC, responsible for managing engineering, procurement and construction for its Clean Energy program. He also was an executive vice president at Tetra Tech. 

Ian Johnston, president of the heavy-industrial division of PCL Construction Enterprises Inc., has been elevated to the added role of chief operating officer, succeeding Peter Stalenhoef, who has retired. Johnston leads a unit that posted $1.8 billion in fiscal 2012 revenue, says the firm. Stalenhoef, who led the division since 2003, remains a director. Roger Keglowitsch has been named division senior vice president. PCL ranks at No. 6 on ENR's list of the Top 400 Contractors, with $5.6 billion in 2011 revenue.

Robert Hayman has joined environmental services firm WCD Group LLC as president of its new Nyack, N.Y.-based subsidiary, RND LLC. The position follows WCD's March 26 acquisition of RND Services Inc., of which he had been president and founder. RND specializes in storage-tank compliance and fuel and chemical spill cleanup. 

Dale Swanberg has joined Flatiron Construction Corp., Firestone, Colo., as chief operating officer. He had been president of the heavy-civil division at Chicago contractor The Walsh Group Ltd., a role he held since 2005. Swanberg joined the firm in 1985. At Flatiron, he succeeds John DiCiurcio, the COO of sister firm Turner Construction Co. who became Flatiron CEO in February after the departure of Thomas Rademacher.

Constructure Management Inc., a Malvern, Pa., design-build firm, has hired W. Wayne Dunlop as executive vice president for operations. He was mid-Atlantic division president at Skanska USA Building Inc. Constructure also named Tony Ricciardi director of preconstruction. He was a Gilbane Building Co. senior project executive.

Jerry C. "Jay" Wolverton Jr., president and CEO of transportation consultant Wolverton & Associates Inc., Duluth, Ga., was elected president of the Design Professionals Risk Control Group. The group of architect and engineering firm managers share best practices for industry-focused risk management, insurance coverage, professional liability and loss prevention.

The Construction Management Association of America, McLean, Va., has named Mark Gedris as vice president of marketing. He had been director of membership and communications at the U.S. Apple Association and, prior to that, membership director of the International Parking Institute.