David Listerman, Co-owner

David Listerman graduated from the University of Kentucky in 1982 with a BS in Ornamental Horticulture. Upon graduation, he started working at a wholesale nursery– first as the manager of the wholesale center, then he spent 15 years in outside sales, covering an eight-state territory.

During this time, David Listerman established his strong relationships with an unprecedented variety of wholesale nursery growers, landscape contractors and landscape architects. The experience allowed him to develop his unique perspective within the industry. In 1998, at the encouragement of his customers and nurseries, David founded Listerman & Associates.

He and his wife and business partner, Bridget Sheridan, are the proud parents of two boys, Gunnar and Steffen. Gunnar, who was born with Duchene Muscular Dystrophy, has taught his parents the things that are truly important in life. They are committed to helping find a cure by supporting Parent Project Muscular Dystrophy. Click here to learn more about Duchenes and the initiative to find a cure. Steffen, their youngest son, is an excellent student and an accomplished swimmer competing at the college level. David has served as president of Steffen’s club team the Dayton Raiders for four years.


Bridget Sheridan, Co-owner

Bridget Sheridan serves as treasurer and secretary of Listerman and Associates. She deals with accounts payable and receivable and works closely with our bankers, accounting firms and health care providers, as she also manages the company’s human resources function. Bridget’s presence within the company – directing operational focus and setting goals for everyone – has brought a strong sense of fairness and accountability to our business.

Sharon Carter, Office Manager

Sharon started working in the nursery business in 1988, with responsibility for entering orders and inventorying the entire nursery. She worked with David, becoming his in-house support person while he traveled and worked with customers. When David left the nursery, Sharon moved on to work with a large landscape contracting firm where she assisted customers and scheduled the crews. In July 2000 Sharon started managing the office at Listerman and Associates. Everyone calling the office is greeting by Sharon’s kind and cheerful voice.

Bob Moore, Sales Manager

Bob has been involved with the green industry as a grower, buyer, salesperson, specialist and a designer. With degrees in Horticulture and International Studies from Ohio State University, and professional experience from large scale growing and landscaping projects to smaller, specialized settings. Bob brings a vast knowledge and deep love of plants to Listerman and Associates’ clients, and a deep respect for their nursery partners.

As an ISA certified arborist, Bob has achieved a level of knowledge in the art and science of tree care through experience and by passing a comprehensive examination developed by some of the nation’s leading experts on tree care.Even though his kids are not as impressed with root-flare as he is, Bob’s passion for trees and design grows continuously as he is dedicated to  understanding, valuing, and protecting plants and the habitats on which they depend.