Executive Director Job Posting. The Liriodendron Foundation seeks an individual with experience and leadership ability in the following areas. rental contracting and management of an event venue. promotion and marketing. sales and customer service. communications. The non-profit Liriodendron Foundation, Inc., - a 501(c)(3) - was established in 1981 to manage the day-to-day operations of the County-owned Liriodendron, an historic property in Bel A...