Robert Hunt's  clients include  Random House, Harper Collins, Penguin Putnam,  Reader's Digest, Simon and Schuster, Thomas Nelson, Scholastic, Wall Street Journal, The American Red Cross, AT&T, Dreamworks, Bank of America, CBS Records, Chevron,  Disney, Federal Express, Fetzer Vineyards, Levi Strauss, Lucasfilm, MGM, Paramount, Pendelton, Universal Studios. and many others. His work has appeared on the covers of books by many leading authors including John LeCarre, Arthur C. Clarke, Steven King and S.E. Hinton.

He has created illustrations for a wide variety of projects including the Dreamworks logo and motion logos, annual reports for Williams Sonoma and British Petroleum, documented the reconstruction of the San Francisco Bay Bridge following the Loma Prieta earthquake, and  traveled as an artist with the Tour de France bicycle race.

His work has received numerous awards and has appeared regularly in the New York Society of Illustrator's Annual exhibits at the Museum of American Illustration, as well as the Communication Arts, Graphis and Print Design and Illustration Annuals.