Marcos J. Pantaleón Prieto, founding principal of APIA XXI, a Santander, Spain, architect- engineer, has been named president of Louis Berger International's design center of excellence. The new role follows the March 14 purchase of the 400-employee Spanish firm by Morristown, N.J.-based global design firm Berger Group Holdings, parent of Berger International. 

CB&I, the Woodlands, Texas, global infrastructure and government services firm, has named Robert Cochran as president of federal services in its government-solutions operating group. Cochran had been president and CEO of consultant CTG LLC as well as president of B&W Technical Services Group Inc. In February, CB&I completed a $3-billion acquisition of Shaw Group Inc.

Marc J. Richards has joined Boston engineer Haley & Aldrich as a vice president. Previously, he was an associate and senior project manager at consulting firm Tighe & Bond.

Vanasse Hangen Brustlin Inc., a Watertown, Mass.-based transportation engineer, has elevated managing director Doug Landry to senior vice president for land development services. He joined the firm in 1995. A past subcommittee chairman of the Commercial Real Estate Development Association, Landry currently is co-chairman for the Massachusetts Alliance for Economic Development.

Truck maker Navistar International Corp., Lisle, Ill., has elevated Chief Operating Officer Troy Clarke to CEO. He replaces interim CEO and Chairman Lewis B. Campbell. The sooner-than-expected transition follows what observers say was a disastrous engine-emissions strategy by former Chairman and CEO Dan Ustian, who retired last year. James Keyes, a 10-year Navistar board veteran and retired Johnson Controls Inc. chairman, will become chairman. The changes take effect on April 15.