About us

Hello There

Rajeunir Wellness is a functional wellness practice that integrates Eastern medicine with traditional methodology. Located in the heart of Tampa Bay, our goal is to transform the lives of our patients from the inside out.

Founder & Executive Director

Dr. Cathleen Gerenger

Dr. Cathleen L. Gerenger is a Chiropractor and Acupuncturist. She was born in Vietnam and immigrated to America at the age of four. True to her Asian heritage, she believes in healing the body as a whole and educating her patients on how to be proactive with their health and wellness journey.

Medical Director

Marcia Radke, MD

Dr. Marcia Radke is board-certified in Internal Medicine and has spent most of her career as a Primary Care Physician, initially in Milwaukee, Wisconsin and now in the Tampa Bay area.

Nurse Practitioner

Shelly Atalig

Shelly Atalig, ARNP was born and raised in the Marianas Pacific islands and moved to Florida to pursue her education in 2003. In 2009, Shelly graduated from the University of South Florida with a Bachelor’s degree in Nursing. She went on to gain experience as a critical care nurse at Bayfront Medical Center in St. Petersburg, Florida over the course of six years.

NUTRaceutical Expert Medical Consultant

Dr. Derrick Silva

Dr. Derrick DeSilva, Jr., M.D., is a practicing internist, a renowned speaker, radio/TV personality and author. He is an internist at the Raritan Bay Medical Center in Perth Amboy, N.J.


Dr. Courtney Burgess

Dr. Courtney Burgess was raised in Omaha, Nebraska. She attended the University of Notre Dame, where she earned her Bachelor of Science. She was also a member of the Division I Cross-country and Indoor and Outdoor track teams.

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