Feniosky Peña-Mora, a civil-environmental engineering professor at Columbia

University, New York City, is named commissioner of the city's Dept. of Design and Construction, Mayor Bill De Blasio said on April 7. He will run the city's capital construction project-management agency, which its website says has about 1,200 employees and a $10-billion project portfolio. Peña-Mora will take a leave of absence from Columbia, which he joined in 2009 as its Fu Foundation School of Engineering and Applied Science dean; he stepped down from the role in 2012, amid faculty concerns. Peña-Mora said that, under his watch, the school improved its program published rankings for undergraduate and graduate students, and boosted undergrad applications by 45%. He also is founding partner of Peña-Alcántara Consultants Inc., an IT and sustainability firm.

The New Jersey Institute of Technology, Newark, has named Moshe Kam dean of its

Newark College of Engineering, effective Sept. 1. He currently heads the electrical and computer engineering department at Drexel University, and is a former president and CEO of of the Institute of Electrical and Electronics Engineers (IEEE), the world's largest professional technical association, with about 400,000 members. Kam is a director of the accreditation agency ABET Inc. and of the United Engineering Foundation. NJIT has about 10,000 enrolled students.

MWH Global has named Richard Dixon as its country manager in Chile. Based in Santiago, he is formerly Latin America managing director at water technology firm Xylem Inc. The firm also has hired Moghes Ayalew Mekonen as country manager for Ethiopia, based in Addis Ababa. He had been dams and hydropower group coordinator for the Africa region at SMEC International. Mekonen will focus on developing renewable energy projects.

Designer Walter P Moore, Houston, has elevated Dilip Choudhuri to president and CEO, as of Jan. 1, 2015. In the roles, he succeeds Raymond Messer, who remains chairman. A 12-year firm veteran, Choudhuri is diagnostics group executive director. Messer has been CEO since 1993.

Steven Dye has joined CH2M Hill Cos. as Asia-Pacific regional managing director. Based in Melbourne, Australia, he was Asia-Pacific regional president and global water-sector leader at MWH Global. Also joining CH2M Hill, as chief strategic development officer, is Lisa Glatch. She was senior vice president of global sales at Jacobs Engineering and formerly, a group president at Fluor Corp.

Chris Mitchell and Rusty Simpson join Apex Cos., a Rockville, Md., environmental services firm, as principals following its March 31 purchase of Southwest Geoscience, a Dallas environmental firm at which they held those same positions.About 45 employees have joined Apex.

Granite Construction, Watsonville, Calif., has hired Joseph M. Mazzulo as its senior vice president of business processes, a newly created position. He had been vice president of global process excellence at Staples Inc.

Skip Johnson joins Three Oaks Engineering, a Durham, N.C., transportation and environmental firm as principal, based in Columbia, S.C. He had been a vice president of Michael Baker International and ran its South Carolina operations.

DMS Construction Consulting Services has hired Mike Davis as senior vice president. Now based in Columbia, Md., he was Hill International operations director in Abu Dhabi.