The latest Testimonial is from Dr. Alan Elzerman who is the Director, School of the Environment, Emeritus, at Clemson University: 

"Jeff has been an invaluable addition as a guest instructor in my introductory on-line course Sustainability in Public Administration. He has taught the classes on sustainability in the business world, bringing his diverse and thorough knowledge of the area and applying his extensive experience. Students have greatly benefited from his presentations, assignments and analysis, and they appreciate his practical perspective. I am very pleased with Jeff’s contributions.”

More testimonials can be found here: http://jgowdyconsulting.com/testimonials/