Bill Quateman
International Director

Since 1978 as a passionate student, Bill has studied wholistic health and natural medicine, including a 32-year tutorial with wholistic professor of psychiatry at Northwestern University, Dr. Bruce Boyd. He has also worked with and learned from some of the most progressive and visionary medical doctors and integrated natural medicine physicians in the field, for more than 15 years.

Mr. Quateman consulted as Health Coach on the set of the acclaimed TV series, NYPD Blue.

Since 2000, Bill has been in business development in the field of orthomolecular treatment and hair analysis testing. He has worked with some of the preeminent doctors and experts in the field of cellular nutrition including one of the founders of orthomolecular medicine, Dr. Abram Hoffer. 

Advanced BioCell is a Concierge Natural Medicine company that guides each person in a step by step strategy to create
healing nutrition 'environments' in a toxic world.

Mr. Quateman's most comprehensive individualized program engages, guides, and educates clients with a gold standard customer service in the rapidly growing field of systems-based personalized cellular nutrition. The Advanced BioCell model now represents a leading edge Program as a foundational part of the huge development in the Regenerative Wellness Industry.

As a medical tourism company Advanced BioCell begins with personal nutrition testing and regenerative wellness counseling and then guides clients to the finest natural medicine practitioners, protocols and cellular nutrition products in the world for foundational health, balancing and reverse-aging and anti-aging hormone therapy, stem cell therapy and integrative oncology.


Steven E. Warren MD DPA
Medical Director

Steven Warren, MD, DPA is a natural medicine specialist with a recent emphasis in stem cells, functional medicine and life extension.

His most recent work using umbilical cord stem cell treatments for orthopedic (bone & tissue), stem cell face lift, hair growth and anti-aging is yielding remarkable results for rejuvenation, regeneration and beauty as evidenced by his growing clientele of celebrities and professional sports figures.

A practicing psychiatrist in Newport Beach, CA, Dr. Schuder incorporates a wholistic approach to Anti-Aging which incorporates hormone therapy and medical nutrition along with applicable leading-edge medical treatments as she treats the total individual.

Dr. Warren's commitment is to use his expertise and experience in helping his patients slow the aging process while creating peak health & performance, ideal appearance and peace of mind.

The honors, insights, achievements and accolades enjoyed by Dr. Warren set him apart and describe him as one of the practicing experts in the profound fields of extreme wellness, active performance, natural beauty and quality of lengthened life-span.

He is Board Certified in functional and family medicine, pain, addiction and hospice care.

Steve Warren is the co-author of the book Radically Free - The Anti Inflammatory and Anti-Oxidant Approach to Weight Loss and has written, Tame the Flame Now - The Bermuda Triangle of Stress, Cortisol and Inflammation.

Dr. Warren currently sees clients in Salt Lake City, Los Angeles, Bahamas, Jamaica & Panama.