Extension Faculty
Extension faculty within the Department of Horticulture work in Athens, Tifton and Griffin. Faculty are located at these sites to be in close proximity to the industries and commodity groups with which they work.
Extension Coordinator

Timothy Coolong
Professor & SARE State Coordinator; Emphasis: Vegetable production
Horticulture
Sustainable Agriculture Research and Education (SARE) Program - Southern Region
Fruit/Nut Crops

Dario Chavez
Associate Professor; Emphasis: Peach physiology & breeding
Horticulture
Institute of Plant Breeding, Genetics and Genomics (IPBGG)
Vegetables

Timothy Coolong
Professor & SARE State Coordinator; Emphasis: Vegetable production
Horticulture
Sustainable Agriculture Research and Education (SARE) Program - Southern Region

Angelos Deltsidis
Assistant Professor & Post-harvest Extension Specialist; Emphasis: Post-harvest fruit & vegetables physiology
Horticulture

Ted McAvoy
Assistant Professor & Vegetable Production Extension Specialist; Emphasis: Vegetable production
Horticulture
Ornamentals

David Berle
Associate Professor & Undergraduate Coordinator; Emphasis: Urban & small farm organics, medicinal herbs
Horticulture

John M. Ruter
Allan M. Armitage Professor & UGA Trial Gardens Director; Emphasis: Ornamental breeding & production
Horticulture
Institute of Plant Breeding, Genetics and Genomics (IPBGG)

Ping Yu
Assistant Professor, Ornamental Extension Specialist, GGIA & CANR Faculty Liaison; Emphasis: Nursery & greenhouse production
Horticulture
Master Gardener and Consumer Horticulture Programs

Sheri Dorn
Senior Public Service Associate & State Master Gardener Coordinator; Emphasis: Consumer ornamentals
Horticulture

Bob Westerfield
Senior Public Service Associate; Emphasis: Consumer fruits & vegetables
Horticulture
From Other Institutions
- Assistant Professor - Fruit Crops
- 80% Research; 20% Extension
- Commodity Assignment: Apples
- Extension Horticulturist - Fruit Crops
- 25% Extension
- Commodity Assignment: Apple production, wine grape production and Peach production (shared position with Tennessee and South Carolina)
- Extension Horticulturist - Fruit Crops
- 25% Extension
- Commodity Assignment: Orchard floor weed management; apples, peaches, pecans, grapes