• Project Coordinator-NATO Grant’s for collaborative research no’s 668/84, (30)0255/88 and CRG910025
• Co-principal investigator-N.I.H. Grant no. HD 19770-01AI
• Fellowships, Browne Research Fund (Royal Society, UK).
• Project co-ordinator, Grant from Ares Serono to study early human development.
• Collaborator, Monbusho International Research Grant from the Japanese Ministry of Education Culture and Science.
• Associated Contractor for EEC Human Capital and Mobility Grant no. ERB4050PL941173.

• American Society of Reproductive Medicine
• ASRM – Reproductive Biology Special Interest Group
• American Medical Association
• New York State Medical Association
• American Association of Gynecological Laparoscopists
• American College of Obstetrics & Gynecology
• Society of Reproductive Endocrinologists
• Society of Assisted Reproductive Technology
• New York Obstetrical Society
• Society of the Slone Hospital for Women

• “Super Docs” for Infertility
• Washingtonian “Top Doc” for Infertility.
• Patient’s Choice Award,
• ‘Top Obstetrician and Gynecologist’.
• Faculty Teaching Award, George Washington Medical School Dept of OB/GYN,
• Society of Reproductive Endocrinology and Infertility Prize Paper.
• Philadelphia Area Reproductive Endocrinology Prize Paper.

• American Society for Reproductive Medicine (Member)
• Society for Gynecologic Investigation (In Training Member)
• Pacific Coast Reproductive Society (Member)
• American College of Obstetricians and Gynecologists (Junior Fellow)

• International Embryo Transfer Society (IETS). Regular Member.
• Society of the Study of Reproduction (SSR). Regular Member
• The Japanese Society of Veterinary Science. Regular Member.
• The Asian-Australasian Association of Animal Production. Regular Member.
• The Korean Society of Animal Reproduction. Regular Member.
• The Korean Society of Embryo Transfer. Regular Member.
• Korean Society for molecular and Cellular Biology. Regular Member. 2006.

• Key Investigator: Maturation of Human Oocytes for SCNT and Embryonic Stem Cell Derivation. Approval number: RB2-01553,
California Institute for Regenerative Medicine (CIRM), California, $1,432,197, 2010-2013.
• Key Investigator: "Patient-specific cells with nuclear transfer” Approval number: RS1-00404-1
, California Institute for Regenerative Medicine (CIRM), California, Key Investigator, $656, 074, 2007-2009
. • Principle Investigator (PI): “Establishment of an effective and safe cryopreservation method of human embryonic stem cells”,
Approval number: 30571956, National Natural Science Foundation of China (NSFC), $37, 878, 2006-2008.
• Principle Investigator (PI): "Study on mechanism of synchronization of cytoplasmic and nuclear maturation of human immature oocytes in vitro",
Approval Number: 30300372, National Natural Science Foundation of China (NSFC), $29, 230, 2003-2005.
• Principle Investigator (PI): " Mechanism study of sequential culture of immature human oocytes”,
Approval Number: 021874, Natural Science Foundation of Guangdong Province, China, $7,692, 2003-2005.

• Member of American Society for Reproductive Medicine.
• Member of European Society of Human Reproduction and Embryology
• Member of Alpha Society (Assisted Human Reproduction)
• Member of Society Study of Reproduction
• Member of International Embryo Transfer Society.
• Member of Xi chapter of Phi-Epsilon Honorary Veterinary Society
• Member of Turkish (Ankara) Veterinary Association.
• President of UGA Turkish Student Association, Chapter of University of Georgia.

• Society for Cryobiology
• Editorial Board, Journal of Cryobiology
• Former Board of Governors, Society for Cryobiology
• Member of USDA\'s Aquatic Committee for the National Animal Germplasm Program
• Member Scientific Advisory Board of an international coral conservation organization,   SECORE

• International Coordination Commettee on Immunology of Reproduction (ICCIR)
• member of the Organizing Commettee of 12 International Symposia (Varna,Bulgaria)
• International Society on Immunology of Reproduction (ISIR)
• European Society of Reproductive Immunology (ESRI)
• Bulgarian Association of Human Sterility and ART (BAHS and ART).

• From 1996 to 2000, he has been Executive Committee member of Italian Society of Fertility and Sterility and Reproductive Medicine (SIFES-MR).
• From 2003 to 2005 he has been Executive Committee member of the Italian Society of Embryology, Reproduction and Research (SIERR).
• Since 2005 he is President of the Italian Society of Embryology, Reproduction and Research (SIERR).
• He is member of national and international Scientific Societies (SIFES-MR, ISGE, ESGOI, ESHRE, ASRM, SIERR).
• He has organized 22 national and international congresses.
• He has been invited as Speaker or Discussant to 60 National and International Congresses.
• He has co-authored 9 scientific books about Reproductive Endocrinology.

• The Danish Medical Research Council
• Gerda and Aage Haench’s Foundation
• NOVO NORDIC Research Division
• The Andrew W. Mellon Foundation
• US National Institute of Health, U54-HD29099
• NCRI Prostate Cancer Collaborative Study Grant
• Karen Elise Jensens Fond
• Spar Nord Fonden
• Den Obelske Familiefond
• Toyota-Fonden

• Member of British Pharmaceutical Society
• Fire warden of Middlesex University

• The Molecular Biology Society of Japan
• The Japanese Society for Epigenetics
• The Japan Society of Human Genetics
• Hokuriku Laboratory Animal Research?Association
• The American Society of Human Genetics in USA
• International Society for Autism Research

• Distinguished Member of the International Society for Zinc Biology
• Member of the Cell Stress Society International.
• Member of the American Association for the Advancement of Science
• Member of the Czech Society of Biochemistry and Molecular Biology
• Member of Bulgarian Society of Microbiology