Greta was active in the PTA, Chamber of Commerce, Soroptimists Club and wrote many of the skits for Soroptimists and the Kiwanis Capades that at one time, were major events in St. Helena. She served on the Napa County Grand Jury, Napa County Board of Education, the Metropolitan Transportation Commission and the St. Helena City Council where she also served as St. Helena's first woman mayor. In 2000, she was named 'Citizen of the Year' by the Chamber of Commerce. Most recently, she was instrumental in the formation of Rianda House Senior Activity Center in St. Helena. Since the day she arrived, she has always had an enduring love of St. Helena and the Napa Valley.