Bill DeLongis is serving as the strength and conditioning coach of the U.S. Under-18 Women's National Team for his third Under-18 IIHF Women's World Championship. In his role, he helped guide the U18 team to a gold medal at the U18 IIHF WWC in Bratislava, Slovakia and a silver medal at the 2019 IIHF U18 WWC in Obihiro, Japan. DeLongis is currently the Women's National Team Assistant Strength Coach for the 2021 My Why Tour, Olympic Tryout Camp, and assisted in the 2019 summer and winter Olympic training camps. He has also served as the strength and conditioning coach at the 2018 USA Hockey Women's National Festival in Lake Placid, New York.

DeLongis is currently in his seventh year as head strength and conditioning coach for the Trinity College Athletic Department after working as the assistant director for athletic performance for two years at Stony Brook University on Long Island.

Before his time at Stony Brook, DeLongis served as the head strength and conditioning coach for all sports at Converse College in South Carolina for two and a half years.

DeLongis holds a bachelor's degree in physical education with a concentration in fitness and wellness from Winthrop University in South Carolina.