"Bio Joe" Renwick
Head Honcho
Company founder, Bio Joe has dedicated the past 10 years to researching and perfecting biofuel production.
Dr. Beth Renwick
Co-owner
Company majority owner and medical doctor, Beth splits her time between working in the E.R and on strategic planning for GEB.
Erika Coman
Organizational Change Manager
With her background in business administration and passion for sustainability, Erika works with BioJoe and Beth, while also managing HR and marketing activities for the company.
Blair Cogburn
Plant Manager (Aiken)
Matt Rosen
Production Manager
A Biosystems Engineering Grad from Clemson, Matt keeps the plant at maximum efficiency while managing the plant staff.
Jason Terry
Plant Operator (Knoxville)
Jason is in charge of all things at our Tennessee location. He handles production, routing, sales and customer service.
Matt Byler
Sales & Customer Service Manager
Delivering the best customer service and sales experience the industry has to offer, Matt is always going out of his way to assist his clients!
Penny Renwick
Business Administrator
Penny, a member of the Renwick clan, is a one-stop shop at our Winnsboro plant. From customer service to event planning to office administration, Penny uses her wealth of skills to get the job done!
Megan Russell
Floor Manager (Aiken)
Chris Yonce
Driver & Fleet Maintenance Coordinator
Willie Coleman
Collections Driver
John Wilkins
Collections Driver
"Cal "Eugene McClintic
Collections Driver
Austin Carver
Production Lead
John Stevens III
Plant Operator
Joe Belk
Plant Assistant
Taylor Strickland
Plant Operator
Spencer Beylotte
Plant Operator
Amber White
Plant Assistant