Angela Rivera-Mast

Angela Rivera-Mast is a sustainability director and circular economy strategist based in Los Angeles with over 15 years of experience designing waste reduction programs, composting initiatives, and corporate zero-waste strategies for businesses, institutions, and municipalities across Southern California. She holds a master's degree in Environmental Management from USC and has earned credentials in sustainable waste management through the Solid Waste Association of North America (SWANA). Angela has spearheaded diversion programs redirecting millions of pounds of material from landfills and has worked closely with LA city agencies on organics recovery and single-use plastics policy. She actively contributes to sustainability forums, helping organizations and individuals understand effective recycling, composting, and waste reduction practices.