Jeff Hickman

Product Manager & Buyer

Jeff is our Product Manager & Buyer for Total Health Nutrition Center.  He graduated with a BA in Psychology from the University of New Mexico.  He researches all of the supplements we sell to make sure you are getting the best quality supplement for your money.  His over fourteen years of investigation has built an extensive supplement database that he can use to assist clients in finding the best supplements for their needs.  In addition, Jeff was one of the first participants in Total Health’s HCG diet program.  He lost 33 pounds and has been able to maintain it for over a year.  As our resident HCG guru, he can answer any questions you may have about the diet.

Jeff and his wife live in Cary and he enjoys building “yard art” and furniture, along with assisting in their extensive gardens.  He has been an employee of REI for nearly 25 years and still works part time at REI in Cary.  Come see Jeff at Total Health Nutrition Center for all your supplement needs.

Colleen Doorhy,BS

Supplement Assistant & Buyer

Colleen joined our team in September of 2010 working closely with Jeff at Total Health Nutrition Center as the Supplement Assistant & Buyer.  She assists with reserach of new products and cost/formula comparisons. After graduating from North Carolina State University (NCSU) in May of 2010 with a BS in Biology (minors in Nutrition & Spanish), she returned to NCSU to pursue her Master's of Science in Nutrition. Colleen's goal is to become a licensed Registered Dietician.  In her free time, she enjoys growing her own vegetables and herbs and walking her beagle, Ava.  She also practices yoga and meditation.

Diane Corbin

MSA Technician

Diane is a native of Dunn, NC and grew up in a family that studied and implemented nutrition and supplementation for wellness.  Athletics have always been an important part of life for her, with basketball, tennis, and dance being the favorites.  She is a choir member and active in the United Methodist Church.

After receiving a B.S. at the University of North Carolina at Chapel Hill, she worked as a laboratory research assistant in Charleston, SC and Augusta, GA at the respective medical universities.  Since then, she has worked in education and other pursuits until coming on board with Carolina Center for the last 3½ years. She has two married daughters and 1½ grandchildren living here in Raleigh.  Best thing she ever did!