Jess Onheiser graduated from Vanderbilt University, where she was a two-time All-American Lacrosse Conference member, a two-time IWLCA All-South Region First Team honoree, a two-time Academic All-American, and three-time member of the Southeastern Conference Scholar-Athlete Honor Roll. From 2004 to 2008, Jess was a member of the United States National Developmental and Elite team. Jess was inducted into the Vanderbilt Hall of Fame in 2013 and the Greater Baltimore Hall of Fame in 2017. She is also the founder and owner of Recruit-Her LLC, offering services to improve individual and team skills through personal training sessions and recruiting consulting in order to educate players and parents about the multifaceted recruiting process.

Jess joined Check-Hers in 2013 and is on the Board of Directors. Previous coaching experience includes being the Varsity Head Coach at Garrison Forest School, and Division I lacrosse at the Ohio University and Loyola University Maryland.