He attended Northern Illinois University and managed the men's basketball team under Head Coach Brian Hammel.

[1] During his studies at the NIU College of Business, Dan was selected and attended a semester at Oxford University in England.

[3] On May 4, 2022 at LoanDepot Park, Bellino, umpiring first base, ejected Arizona Diamondbacks pitcher Madison Bumgarner from a game after the top of the first inning.

Bellino stared down the pitcher and held his hand for an abnormally long time during a standard routine foreign substance check spot.

'”[9] Bellino worked for the law firm of Morici, Figioli & Associates and served as an aide for federal judge Charles P. Kocoras before attending umpire school.