- Professor of Plant and Soil Sciences,
- (Division of Science, Penn State Berks Campus).
- Courtesy Professor of Turfgrass Science,
- (Dept. Plant Science, Penn State University Park).
- Tombros Early Career Professor
- Associate Professor, Turfgrass Management
- Director, Golf Course Turfgrass Management Program
- Program Coordinator, Turfgrass Science Major
- Professor of Soil Science
- Director, Center for Sports Surface Research
- Associate Professor of Turfgrass Nutrition/Soil Fertility