After his retirement, Di Tullio opened the Football School "École de Soccer DiTullio-Ribeiro" alongside
Antonio Ribeiro. In 2011, he took charge of
Montreal Impact Academy U16s. Between 2013 and 2015, he went on to manage the U18s. He left the club in October 2017. In 2018, he was named assistant coach of
Canada U20. After a restructuration, he served as the assistant coach of
Canada U-23 headed by Mauro Biello. In July 2018, Di Tullio was named Technical Director of ARS Lanaudière and
FC Lanaudière, a soccer region overseeing the development of 14 amateur soccer clubs in the
Lanaudière region of
Quebec. In 2019, he announced his return to the
Montreal Impact Academy ahead of the 2019
U.S. Soccer Development Academy season, being named head coach of the U-17s. On September 4, 2020, the Montreal Impact announced the creation of a new
U23 team, with Di Tullio becoming the head coach of the club's newly formed reserve team. In March 2021, he returned to the first team (now known as
CF Montreal) as an assistant coach. ==Personal life==