Sangiacomo was born in Utica in 1979 and moved to the Capital Region when she was five where she played four years of volleyball, basketball and softball at Guilderland High School. She played two years under coach Patty Blacklock for the Capital District Volleyball Club and has since played four years USAV for Slaughterhouse 6, a Club Team in the Albany area. She was additionally a member of the 1998 Empire State Games Adirondack Open Team.
Sangiacomo has played six years of competitive doubles volleyball at the open level, winning several tournaments around the Northeast. She has also coached the Special Olympics Unified Team (1999) and served as the co-director of Capital District Grass Doubles, running outdoor tournaments for the past five summers.
A 2000 graduate of Nazareth College with a degree in history, Sangiacomo started for three years on the varsity volleyball tema as a middle blocker and outside hitter. Masters in instructional technology and curriculum development from SUNY Albany in 2004 Off the court, she serves as a seventh grade social studies teacher at Cohoes Middle School.