Member:
• Past member and chairman of boards and councils of many learned societies and government committees, including MRC, DHSS, RCP
• Founder and past President of ESDR, BSID UK and BSC
• Honorable member of many International societies
• Archibald Gray, Parkes-Weber and other medals

• Professor of Internal Medicine of the School of Medicine, National University of La Plata Argentina
• Former Vice Director Spanish Hospital La Plata Argentina
• Vice President Argentine Federation of Internal Medicine (FAMI).
• Former President, La Plata Society of Internal Medicine.
• Former President, La Plata Society of Cancerology.
• Former Coordinator, Argentine Diabetes Society Immunology and Genetic Commeettee.
• Director, Laboratory of Tissue Engineering, Regenerative Medicine and Cell Therapies of CUCAIBA LaPlata Province of Buenos Aires Ministry of Health Center of Procurement and Transplantation of Organs.
• Senior Research Scientist Stem Cells, Regenerative Medicine and Nanotechnology Center, University of La Rioja, UNLAR, La Rioja, Argentina.

Member

Committees:
Chairman of the Bylaws committee and the Ethics committee
Member:
• Los Angeles County Medical Society
• The American Medical Society
• The California Medical Society
• The American Society of Cosmetic Surgery
• The International, the American, the World, the European and the Italian Societies of Hair Restoration Surgery
• The Flying Physicians Association and Angel’s Flight

Member:
• Croatian Dermatovenereological Society of the Croatian Medical Association
• Croatian Society for Psychosomatic Research
• European Academy of Dermatology and venerology (EADV)

Associations:
• Founder and president of national Association of Serbian Cosmetic and Esthetic Dermatology (ASCED)
• Member of the editorial board of national dermatology journal: Journal of Serbian Dermatology
• Member of the International League of dermatologists
• Member of the European Association of clinical researchers (EACR)
• Member of Serbian dermatological society

Member:
• Member of the Egyptian Universities Promotion Committee [EUPC]; Promotions professor Title in Dermatology,Venereology & Andrology
• Member of the Egyptian Fellowship Board of Dermatology,
• Member of the Organizing Committee [OC] of the Dermatogic & Aesthetic Surgery International League [DASIL]
• Advisory board of many Dermatological Journals
• Laser and Dermatosurgical Unit Director
• European Academy of Dermatology and Venereology member
• Secretary General of Skin is a mirror of general health symposium
• Secretary General of Al-Minya Dermatology International Conferences
• President of Al-Minya 7th Dermatology & Andrology International Conference
• President of Al-Minya 8th Dermatology & Andrology International Conference
• President of Meet the Experts in Dermatology Symposium
• President of Meet the Experts in Dermatosurgery Symposium
• President of Meet the Experts in Psoriasis Symposium

Member:
• European Academy of Dermatology and Venereology
• European Hair Research Society
• International Dermoscopy Society

Member:
• Member of Saudi Council of Dermatology.
• Member of Postgraduate training board, College of Medicine,King Saud University.
• Board member of the Saudi Society for Evidence Based Clinical Practice.
• European Academy of Dermatology and Venerology –France
• Saudi Society for evidence based clinical practice (Founding member).
• Saudi Society for evidence based clinical practice (Board member).
• Saudi Society of Dermatology and Dermatologic Surgery.
• International Society for Dermatologic Surgery – Germany.
• European society for Hair restoration Surgery – France.
• Postgraduate training board, College of Medicine, King Saud University, Riyadh.
• Local training committee, Saudi Board in Dermatology, Saudi Council, Riyadh.
Committees:
• Director of King Saud University Fellowships (postgraduate) Training Program in
• Dermatology
• Member of the local training committee in Riyadh region, Saudi Board of Dermatology.
• Training supervisor of Saudi Board in Dermatology, King Khalid University Hospital.
• Chairman of the training committee, Dermatology Department, College of medicine, King Saud University.
• Member of the research committee, dermatology Department, college of medicine, King Saud University.

Associations:
• Fellow, American Academy of Cosmetic Surgery
• American Society of Hair Restoration Surgery
• American Society of Liposuction Surgery
• International Society of Hair Restoration Surgery
• American Board of Hair Restoration Surgery
• American Hair Loss Council
• Fellow, American College of Emergency Physicians
• American Board of Emergency Medicine
• American Osteopathic Association
• Texas Osteopathic Association
Commitees & Member:
• Principal Hair Restoration Surgeon, Baylor Facial Plastic Surgery Center, Baylor College of Medicine, Houston TX.
• Private Practice: Physicians Hair Restoration Center,Houston TX.
• Program Director-PHRC Fellowship Training Program
• Member, Board of Governors, ISHRS
• Program Director, HRS Basic Course,ISHRS
• Chairman, ISHRS Task Force on Medical Education
• Chairman, ISHRS Core Curriculum Committee
• Chairman, ISHRS Fellowship Training Committee
• Program Director-MHR Fellowship Training Program
• Director of Medical Education – Medical Hair Restoration
• President, American Board of Hair Restoration Surgery
• Associate Medical Director MHR
• Director of Medical Education–Medical Hair Restoration
• Vice President, American Board of Hair Restoration Surgery
• Treasurer, American Board of Hair Restoration Surgery
• Staff Emergency Physician Fort Bend Hospital, Missouri City TX
• Pvt Practice: Physicians Hair Replacement Center, Houston TX
• Northern Illinois Emergency Physicians, St Therese Hospital, Waukegan Illinois
• Associate Medical Director
• Assistant Director Northern Lake County EMS System
• Founding Partner & Staff Physician (9 man ED group,seeing ~40,000pt/year)
• Medical Director, Puig Medical Group & Cleveland Hair Clinics-1976-1996 (Managing HRS Centers 6 location, 7 physicians)

Member:
• National vice president of the Italian Women Dermatologist Association (DDI)
• Member of the Italian Society of Dermatology SIDEMAST
• Member of the European Confederation of Telemedical Organizations in Dermatology
• Member of the International Association for Statistical computing
• Member of the Italian Group of Epidemiological Studies in Dermatology
• Member associated to Consortium INFM - National Institute of Physics of the Matter
• Member of the Italian Society of Allergological Dermatology, Professional and Environmental
• Member of the Interdisciplinar Association for the Study of the Psoriasis (AISP)

Associations:
• 1996-Founder of the NPO \\\'Mediterranean Association for Alopecia Areata”
• 2000-Head of the Group of Trichology of the Italian Association of Ambulatory Dermatologists (AIDA)
• 2010-Head of Trichology Division of the Association of Dermatologists of Magna Graecia (ADMG)
Member:
• Member of the Italian Group of Trichology (GITRI)
• Member of the Italian Society of Tricology (SITRI)
• Member of the Editorial Board of the journal "Dermatologia Ambulatoriale ", of the "Italian Journal of Trichology"

Member:
• Royal College of Physicians
• British Association of Dermatologists
• British Medical Association
• Royal Society of Medicine

Member:
• Past President of Maharashtra branch of IADVL
• Past president of Association of Cutaneous Surgeons ( India )
• Member of IMA, AAD, International Society of Hair Restoration Surgery , Founder member of Association and Hair Restoration Surgeons of India
• Vice president of IADVL (All India)

Member:
• Associate Editor of ‘International Journal of Trichology’
• Member of the reviewer panel of Indian Journal of Dermatologists, Venereologists and Leprologists
• Editorial board member of the journal ‘Bioinformatics and Biology Insights’
• Member of National Academy of Medical Sciences (MNAMS India)
• Fellow of Academy of General Education (FAGE India)