Marion's professional career is in environmental management. She spent the early years of her career working for State and Federal government agencies in several different environmental management and protection programs. In 1990 she opened her own environmental consulting company providing services to government agencies, private clients, and local communities throughout the country. Throughout her career, Marion has remained primarily interested in how individuals and local communities are impacted by environmental management decisions that directly affect their lives and quality of life. She believes that every community is capable of making important and meaningful contributions to the environmental decisions that affect their communities when provided with information and access to the decision making process in a timely manner.