About Roger Wiederkehr

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Roger Wiederkehr is the Interim Chief Executive Officer at RES. Until the end of 2020, Roger Wiederkehr served as Executive Vice President and Chief Operating Officer of AECOM’s engineering consulting and environmental services business unit in the Americas. Before joining AECOM, Roger served as President of KBR’s U.S. government services segment, a role to which he was appointed when KBR acquired Wyle, Inc.  He joined Wyle in 2005 and held a number of different executive positions before being named Chief Executive Officer and President in 2014. Prior to joining Wyle, Roger was a member of URS’ corporate strategy group and a management consultant with McKinsey & Company.

He holds a law degree from the University of Zürich and received a master’s degree in business administration from Yale University.