In 2012, Dennis secured 24,908 votes to be elected to a California special district, earning re-election in 2016 without opposition. He is an experienced hospital board director, attorney, and healthcare government affairs professional. His influence, however, extends beyond healthcare. At APALI, a 501c3 nonprofit, Dennis actively shapes future leaders as an instructor in the Civic Leadership Program (CLP) and Student Leadership Academy (SLAY) that prepares participants for next level community involvement. He also created and teaches APALI's Board Leadership Academy (BLA) which trains existing and prospective nonprofit board directors.