Pennsylvania Horticultural Society EditDeleteReturn to The PSSE Membership Directory First Name Liane Last Name Sullivan Organization Name Pennsylvania Horticultural Society Title Associate Director of Strategy, Planning & Partnerships Listing Category Community-Based Organization Address 100 N 20th St, 5th Floor, Philadelphia, PA 19103 City Philadelphia ZIP Code 19103 Website phsonline.org STEM Ecosystems Philadelphia STEM Ecosystem Contact listing ownerSend MessagePlease log in to be able to send messages to the listing owner.