Amanda Goldstein joined Arboretum in 2006. As an Executive Assistant, she is responsible for meeting scheduling, travel arrangements, website management and company event planning. She also assists the Managing Directors and other employees with the day to day activities of the organization.. Prior to joining Arboretum, Amanda worked for four. years as an Administrative Assistant at Washtenaw Engineering Company, where she gained valuable experience supporting the Office Manager and others in a management role.