Summary: DSA seeks a Membership Manager with a proven track record of capturing new member sales and annual renewals in a high-dues membership environment - corporate dues can be 6 figures.  Must be able to learn and understand the industry and develop relationships with high-level corporate executives.  Engage in person-to-person membership sales and renewal calls, emails, mailings, and meetings.  Professional demeanor and dress.  Possible travel required up to twice a month, 2 - 4 days at a time.  Responsible for custom database and tracking dues and pledges paid and outstanding.   Details:  Membership Development Initiates and pursues regular membership development efforts; conceptualizes and oversees production of recruiting materials. Conducts re