President

Mary Knepper, PhD English
President at Ryba Associates, Inc.
First Vice President
Chair of the Membership Committee

James M. Reynolds, MD, DABFM
Clinic Physician at CareHere (retired)
Second Vice President

Doualem Hadjerioua, PhD Civil Engineering & Engineering Mechanics
Director of Hydro Operations at Mesa Associates, Inc.
Secretary

Deadrick Wayne Loveday
VP at Knoxville Utilities Board (retired)
Treasurer

Bruce W. Webb, PE, BE Electrical and Electronics Engineering
Senior Engineer at Knoxville Utilities Board
TSK President 2023, 2024
CAO
TSK Webmaster

Wolf Naegeli, PhD Natural Resources Policy and Planning
Senior Research Scientist at University of Tennessee (retired)
TSK President 2017
Directors

Robert R. Scott, III, PE, MS Chemical Engineering
Professor of Engineering at Pellissippi State Community College (retired)
Honorary Member of TSK; Grandson of TSK’s founder Charles E. Ferris
TSK Representative on the Knox County Air Pollution Control Board
TSK President 1982

Stephen J. Hillenbrand, PE, MS
Senior Forensic Engineer at DONAN (retired)
TSK President 2020–2022

Everis R. Engstrom, PE, MSEE Electrical and Electronic Engineering, MBA
VP of Engineering at Daxor Corporation (retired)
TSK President 2016

Donna R.H. Riggs, PE, MS IE Manufacturing
Software Quality Assurance Engineer at Riggs Quality Consulting
TSK Vice President 2022, 2023