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Medical Board & Clinical Investigators

Dr. Marc Brenner, DPM
Marc A. Brenner, D.P.M. Podiatric Physician Founder & Chief Institute of Diabetic Foot Research; Glendale, New York Past President and Fellow American Society of Podiatric Dermatology B.S. - Fairleigh Dickinson University; Madison, New Jersey D.P.M. - New York College of Podiatric Medicine; New York, New York.
With special expertise in Diabetic Foot Management, Dr. Brenner has played a key role in the podiatric community.  He is a renowned national and international lecturer as well as a consultant to major institutions in the areas of podiatric dermatology and diabetic foot management.  Dr. Brenner is the Editor of the textbook Management of the Diabetic Foot, Williams & Wilkins Publisher.  He is a member of the American Podiatric Medical Association.
Author and editor of numerous publications, Dr. Brenner has over 250 lectures, videos and nationwide radio/television tours to his credit. He was Board Certified in podiatric medicine and is presently on the medical staff of North Shore Hospital and Long Island Jewish Hospital, both in Long Island, New York.
Dr. Brenner is comfortable lecturing on practice management, podiatric dermatology, and diabetic foot pathology.  He has 38 years of clinical experience, which has included treating many VIPs, professional and college athletes, and numerous professional musicians.  His outward and dynamic personality has made him a demanded speaker for the podiatric, dermatological, as well as other medical audiences.


Dr. Zoe Dianna Draelos, MD
Zoe Diana Draelos, MD, is a research and clinical board-certified dermatologist and a Fellow of the American Academy of Dermatology.  She is in solo private practice in High Point, North Carolina, and a Consulting Professor of Dermatology at Duke University.  In 1988, she founded Dermatology Consulting Services, PLLC, to initiate and perform research in aging skin, acne, rosacea, psoriasis, atopic dermatitis, actinic keratoses, eczema, and aesthetic procedures in the cosmetic, OTC drug, and pharmaceutical arenas.  Prior to pursuing a medical career, Dr. Draelos completed an undergraduate degree in Mechanical Engineering and was elected a Rhodes Scholar.  A member of Sigma Xi research honorary and Alpha Omega Alpha medical honorary, she is author of 14 books including Cosmetics in Dermatology and Hair Cosmetics and Cosmetic Dermatology: Products and Procedures, as well as the editor of Cosmeceuticals, now in its third edition and translated into 5 languages.  She has contributed chapters to 38 textbooks, written 78 posters, served as the principle investigator on 505 studies, written 541 published papers, delivered 318 oral presentations, served on or contributed to 38 journal editorial boards, functioned as the editor-in-chief of the Journal of Cosmetic Dermatology for 10 years, and was a past member of the Board of Directors of the American Academy of Dermatology and the American Society for Dermatologic Surgery.  She was Vice-President of the American Academy of Dermatology.  She is recognized as a pioneer in cosmetic dermatology and received a lifetime achievement award from Health Beauty America for her research and the 2008 DermArts award for her contributions to dermatology.  In 2010, she received the Albert Kligman Innovation Award and in 2016 she was awarded a Presidential Citation from the American Academy of Dermatology for her research contributions to advance the specialty.


Dr. Lawrence J Green, MD 
Lawrence J Green, MD, an Associate Clinical Professor of Dermatology at George Washington University, is a board certified dermatologist who practices in the Washington DC area. Dr Green has a clinical research center at his office and often has presented and/or authored on the subjects of wrinkle fillers, submental (chin) fat reduction, eyelash enhancement, acne, actinic keratoses, and psoriasis. Dr Green currently sits on the medical board for the National Psoriasis Foundation, the Executive Board for his county medical society, and Chairs committees for the American Academy of Dermatology and the American Society for Dermatologic Surgery. He is an advisory board member for Kamedis.
Dr Green has been voted a top dermatologist by the readers of Washingtonian magazine multiple times, and has also received national recognition as as top dermatologist. He has received the President's Award from both the American Academy of Dermatology and the American Society for Dermatologic Surgery, and a commendation from the Senate of France.


Dr. Alain Khaiat, Ph.D.
Dr. Khaiat is President of the CTFA of Singapore, V.P. Technical and Scientific Affairs ASEAN Cosmetic Association, member of the ASEAN Cosmetic Scientific Body, member of the International Dialogue for the Evaluation of Allergens (IDEA) Supervisory Group, a joint project between IFRA and the EU commission and the Chairman of the ISO TC 217 (cosmetics).
Dr. Khaiat was awarded the first in-cosmetics Lifetime Achievement Award in Paris in April 2010. With more than 35 years of experience in the cosmetic industry having served as V.P. R&D and QA with, Johnson & Johnson, Yves Rocher and Revlon; Alain Khaiat has created SEERS Consulting in 2006.


Dr. Leon Kircik, MD
Dr. Kircik is a Board Certified Dermatologist who graduated with AOA Honors from State University of New York at the Health Sciences Center at Brooklyn after completing his undergraduate work with Phi Beta Kappa at New York University.  He completed a Mohs Micrographic Surgery and Cutaneous Oncology Fellowship under the auspices of Dr. Frederick Mohs at the University of Wisconsin after completing his dermatology residency at State University of New York in Buffalo.
He currently teaches as Associate Clinical Professor of Dermatology at Indiana University Medical Center in Indianapolis, IN, as well as at Icahn School of Medicine at Mount Sinai Medical Center in New York City. Dr. Kircik is also the Medical Director of DermResearch, PLLC and Physicians Skin Care, PLLC in Louisville, Kentucky.  He has been the principal investigator of numerous clinical trials for psoriasis, acne, rosacea, atopic dermatitis, skin cancers, and actinic keratosis, just to name a few.
Dr. Kircik is an author of many scientific articles, abstracts and posters.  He has lectured extensively nationally and internationally on all aspects of dermatologic conditions.  In addition, he also serves on the advisory boards of several pharmaceutical companies as a consultant.  He is on the editorial board of Journal of Drugs in Dermatology, Practical Dermatology, The Journal of Clinical & Aesthetic Dermatology, and Case Report in Clinical Pathology.  He volunteers for multiple local and national medical society committees.


Prof. Daniel Siegel, MD
Dr. Daniel Siegel received his Ph.D in Medicine at the Albany Medical College in New York, and served as an intern at the Albany Medical Center Hospital in New York. He completed his residency in dermatology at the University of Texas Southwestern Medical Center.
Professional society memberships include: the American Academy of Dermatology; the American Society for Dermatologic Surgery; the American Society for Mohs Surgery; the Noah Worcester Dermatologic Society; and the American Dermatological Association.


Dr. Michael Traub, ND, DHANP, FABNO
Dr. Traub completed pre-med studies at the University of California at Irvine.  He graduated from National College of Naturopathic Medicine in 1981 and completed a residency there in Family Practice and Homeopathy. Dr. Traub was recognized for his many years of service in the American Association of Naturopathic Physicians, including President from 2001-2003, when he was honored with the 2006 Physician of the Year Award. His father was a dermatologist, and this inspired Dr. Traub to undertake extra study in this subject and become the leading expert in dermatology in the naturopathic profession.  He has taught dermatology at five of the seven accredited naturopathic medical schools in North America and is the author of “Essentials of Dermatologic Diagnosis and Integrative Therapeutics.”  He has been medical director of Lokahi Health Center in Kailua Kona, Hawaii for the past 31 years.  Dr. Traub is a fellow of the American Board of Naturopathic Oncology.  He has been actively engaged in clinical research throughout most of his career.  His most recent publication is “Impact of Vitamin D3 Dietary Supplement Matrix on Clinical Response” (JCEM 2013).  He is currently a co-investigator in The Canadian/US Integrative Oncology Study.  


Dr. Longjiang Xia, PhD
Dr. Xia is the director of short stature disease department, Jialing Hospital, Chongqing, China, as well as the director of traditional Chinese medicine department, Chengdu children’s hospital.
Previous residentphysician in the Pulmonary Medicine department Jialing Hospital, Chongqing.
On 2001, Dr. Xia established the Longshen nature products institute, which focuses on the research works of the medicinal plant.
On 2007, extablished Comfaith Pharmaceutical Ltd., which Inventing and produce Chinese patent medicines.
His Education includes bachelor's degree in Chinese Internal Medicine, master's degree specialized in pediatrics and PhD specialized in Pharmacology of Traditional Chinese Medicine. All from the Chengdu Traditional Chinese medicine University.