 Turning to the Grand Prix series, he won a bronze medal at the 2014 Cup of China and placed seventh at 2014 Trophée Éric Bompard before capping off the season with a tenth place finish at the 2015 U.S. Championships.In the 2015–16 season, Dornbush trained with Gambill in Riverside, California, and Jonathan Cassar at IceTown Carlsbad.He finished 6th at the 2015 U.S. International Figure Skating Classic, 7th at the 2015 Cup of China, and 8th at the 2015 NHK Trophy.