Neil Dhillon served as the Deputy Assistant Secretary for Government Affairs in the United States Department of Transportation in 1993 and 1994. He was recognized by President Bill Clinton as one of his top Asian American political appointees at White House ceremony in January, 1993. Neil Dhillon was Senior Vice President and Director of Public Affairs for Hill & Knowlton International Public Relations from 1998 to 2004, and was instrumental in the firm receiving Agency of the Year Awards for Public Affairs from 1999 to 2004.