CH2M HILL, a global full-service consulting, design, construction and operations firm, has appointed Gregory Nixon as senior vice president and chief legal officer.

Nixon will be responsible for overseeing a global legal team and risk management professionals who provide legal, insurance and compliance support for the company. As a member of the executive management team, Nixon will report to Chief Executive Officer Lee McIntire.

Nixon joins CH2M HILL from DynCorp International, a global provider of specialized mission-critical services to civilian and military government agencies, where he served as SVP, general counsel and corporate secretary. Before DynCorp, Nixon was at global management consulting firm McKinsey and Company, where he served as vice president, associate general counsel and assistant secretary.

Prior to McKinsey & Company, Nixon was principal and associate general counsel of technology consulting firm Booz Allen Hamilton, and earlier served in private practice in the commercial litigation group of the international law firm of Howrey. Nixon retired from the U.S. Air Force Judge Advocate General's (JAG) Corps with the rank of Lt. Colonel.  Before practicing law, he was a supervisory Congressional investigator and engineering program manager.