DELLA ROCCA Michael Della Rocca, regional managing director in North America for U.K.-based Halcrow and president of its subsidiaries in Canada, the U.S. and Caribbean, is set to join AECOM in a similar role, also based in New York City. A company spokesman confirms the appointment but did not disclose his exact title and start date. AECOM announced internally on June 13 that Jim Jaska was named president of its newly combined Americas and government-services unit, effective on Oct. 1. He has led its government operations unit, which includes U.S. federal and global government-services work. Halcrow says Robert Ulrich, development

CLARKE KRÜGE Global design firm W.S. Atkins plc, London, has named German physicist and former construction executive Uwe Krüge as CEO. Effective on Aug. 1, he replaces Keith Clarke, who is retiring from the post. Clarke will remain sustainability director and play a role in Middle East business development. Krüge has been president of Cleantech Switzerland, a Swiss government export support group, and a senior adviser at Texas Pacific Group, an international private equity firm. He was also the CEO of Swiss high-tech firm Oerlikon Management AG but was replaced in 2009 after it recorded a 40% fall in sales.

DIETZLER Christopher Dietzler has joined Science Applications International Corp. (SAIC), McLean, Va., as a senior vice president. The change follows its May 17 acquisition of Patrick Energy Services Inc. (PES), Lisle, Ill., where he was president. That firm was a unit of Patrick Engineering, also in Lisle, which ranks at No. 191 on ENR's list of the Top 500 Design Firms. It became a stand-alone firm in 2007. Dietzler also was a vice president of the parent firm. PES, now part of SAIC's Energy, Environment & Infrastructure LLC subsidiary, provides energy, smart-grid, and transmission and distribution engineering. About 200 PES

FEIGIN Michael M. Feigin has been named senior vice president, general counsel and corporate secretary of Weeks Marine Inc., the Cranford, N.J.-based marine and transportation contractor. Set to start May 31, he formerly is managing director for construction advisory services based in New York City for Navigant Consulting Inc., Chicago. Feigin also had been managing director and global construction practice leader at insurance broker Marsh and executive vice president and chief administrative officer at contractor Bovis Lend Lease. Weeks Marine ranks 86th on ENR’s list of the Top 400 Construction Firms, with $540 million in revenue in 2010.

BORRAS Rafael Borras was confirmed by the U.S. Senate on April 15 to the post of undersecretary for management at the U.S. Dept. of Homeland Security (DHS), says the Senate Homeland Security and Governmental Affairs Committee. He has been in that role for a year under a congressional recess appointment that did not require confirmation. An online report in Federal Times says there were questions initially about Borras’ qualifications, but his confirmation vote was unanimous. He is a former U.S. Commerce Dept. assistant secretary for administration and General Services Administration regional administrator. Borras also is a former URS Corp. vice

MCGUIGAN Cathleen McGuigan has been named editor-in-chief of Architectural Record, the sister publication of Engineering News-Record. Formerly architecture critic and arts editor for Newsweek, she replaces Robert Ivy, who left the role in February to become executive vice president and CEO of the American Institute of Architects. Formerly, McGuigan was an architectural consultant and remains an adjunct professor at Columbia University’s Graduate School of Journalism in Manhattan. Maj. Gen. Merdith W.B. “Bo” Temple is set to become the U.S. Army's acting chief of engineers when the planned retirement of Lt. Gen. Robert L. Van Antwerp takes effect. Antwerp has been

BOWMAN Ronald H. Bowman Jr. has joined New York City-based building contractor Structure Tone as executive vice president of its global mission-critical division. He had been executive vice president of Tishman Technologies, leading its data center building and development. Structure Tone ranks second among telecommunications sector builders on ENR�s list of the Top 400 Contractors. Cotter Consulting Inc., a Chicago project manager and construction management firm, has named Carma Wood vice president of transportation. Most recently, Carma served as construction services department manager at Stanley Consultants. She also has been resident engineer for the Illinois Dept. of Transportation. The firm

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

COBELLI Skanska USA Civil Inc., the New York City infrastructure unit of Swedish contractor Skanska AB, has appointed Michael Cobelli to the position of chief operating officer, a new position. Based in Riverside, Calif., he remains executive vice president of Skanska USA Civil’s western region. A 26-year company veteran, Cobelli was formerly the executive vice president of Skanska USA Civil Northeast. He now will manage operational resources of all Skanska USA Civil offices, says the firm. Dennis Thompson has joined Klewin Construction, West Palm Beach, Fla., as president. He was chief operating officer and president of the western region of

BOSTICK Lt. Gen. Thomas P. Bostick, who led the Army Corps of Engineers’ division in Baghdad in 2004-2005, has been nominated to be the next commander of the Corps and the Army’s chief of engineers. Bostick, whose selection was announced by Defense Secretary Robert Gates on April 5, currently serves as the Army’s deputy chief of staff. His nomination will go to the Senate for confirmation. Bostick would succeed Lt. Gen. Robert L. Van Antwerp as the Corps’ chief. Van Antwerp, who has led the Corps since 2007, is scheduled to retire in May.