Foster's efforts and passion show through her volunteer time, advocacy and more. She recently chaired the sold-out, record-breaking Western Regional Symposium. As California Resource Recovery Association (CRRA) vice president and president, she spearheaded and drafted the SWANA/CRRA Zero Waste Principles and Practices Certification and serves as an instructor for the course. A SWANA member since 2012, she attended multiple SWANA conferences. In addition, she has a multitude of certifications, participated in California Environmental Research Trips, has been a leader in several professional organizations, and has won several awards.