From his post in New Delhi, Mr. Gor has become a force in U.S. foreign policy, chasing business deals and stunning diplomats by reversing a long-planned embassy building project.
Ambassador Sergio Gor, left, is a former congressional aide who helped publish President Trump’s books and ran the presidential personnel office last year.
The inquiry comes after a report that Dr. Neal ElAttrache, the physician for the team, supported the U.F.C. star Conor McGregor in using performance-enhancing drugs while recovering from an injury.