Panayiotis Zavos

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Panayiotis Michael Zavos
Born (1944-02-23) February 23, 1944 (age 75)
ResidenceLexington, Kentucky, United States
Other namesPanos
  • Citizen of the United States (1978-present)
  • Citizen of Cyprus (1944-present)
Years active1970–present
  • Andrology Institute of America
  • Fertility Technologies International, Inc.
  • FertMart
  • ZDL Global, Ltd.

Panayiotis Michael Zavos (Greek: Παναγιώτης Ζαβός), or Panos Zavos (Πάνος Ζαβός, pronounced [zaˈvos]), is a biologist from Cyprus. He is also an American citizen who currently lives in Lexington, Kentucky. Dr. Zavos is an andrology and reproductive specialist and has gained fame from claiming to clone human beings.


Dr. Zavos received a Bachelor of Science in Biology-Chemistry in 1970, a Master of Science in Biology-Physiology in 1972, and an Education Specialist in Science (Ed.S.) in 1976 from Emporia State University in Emporia, Kansas.[1] He earned a doctorate in Reproductive Physiology, Biochemistry and Statistics in 1978 from the University of Minnesota in the Twin Cities, Minnesota.[2] He also received an MBA in 2008. He has received many awards, including the Distinguished Alumnus Award[3] and the Graduate Teaching Award, both from Emporia State University, as well as the Student Leadership Award from the University of Minnesota.

Dr. Zavos is Professor Emeritus at the University of Kentucky in Reproductive Physiology/Andrology and other Assisted Reproductive Technologies (ARTs), he was made an Honorary Professor by the Chinese Academy of Sciences in China, and made Professor Emeritus at Venkateshwara Institute of Medicine in India.

Publications and abstracts[edit]

Dr. Zavos has numerous scientific collaborations nationally and internationally, and his publications have appeared in more than fifteen languages. He has authored and coauthored more than 400 peer-reviewed publications, along with a number of solicited reviews, book chapters, and popular press releases. His studies and findings have been reported in local, national, and international presses.

He has previously been and is currently a member of a large number of professional and scientific societies, including the American Fertility Society, the American Society of Andrology (ASA), the Middle East Fertility Society (MEFS), the Japanese Society of Andrology, the International Society of Cryobiology, and many others. He has served on a large number of committees for the International Society of Cryobiology, ASRM, MEFS, ESHRE, and others.


Dr. Zavos is the founder, Director and Chief of Andrology of Andrology Institute of America[4] founded in 1992, he is Director and CEO of ZDL Global LTD, and President and CEO of Fertility Technologies International, Inc. founded in 2012.[4] These companies serve for the people having fertility problems. The areas of focus include gender selection, semen shipping/transportation, semen reconstitution, and routine and home semen analyses.

In his career as a reproductive specialist, Zavos has spent almost over 40 years in academia and research. He claims himself to be the chief scientist in the development of several new and innovative technologies in the animal and human reproductive areas. He served as an ad hoc reviewer for the NIH and other scientific groups.

Zavos is currently serving as a Member of the International Advisory Committee of the Middle East Fertility Society.[5] He was also awarded the first ever Honorary Professorship by the Chinese Academy of Science to an American Professor. He is also currently on the Board of Scientific and Policy Advisors for the American Council on Science and Health. He has given plenary lectures nationally and internationally at a large number of Scientific Societies meetings, has been and continues to be a visiting scientist for a number of international collaborations and exchanges.

Throughout the years of presenting his work, Zavos has been an invited speaker and participant at a large number of speaking engagements worldwide. His speeches and debates have covered a large spectrum of topics, including human reproduction, reproductive technologies, and more.  He has received a great deal of media coverage, within both the scientific and reproductive arena and the mainstream press. He has addressed the United States Congress twice, the American Academy of Sciences, participated at the Oxford Union Debates in the UK. He has also made many television and radio appearances, which include National Public Radio, CBS 60 Minutes, Dateline NBC, Face the Nation, BBC World News, BBC Talking Point, The Larry King Show, The View with Barbara Walters, and many others.[4]

Being First[edit]

  • 1983: Employment of a non-invasive technique for harvesting and reconstituting retrograde ejaculates[6]
  • 1985: Employment of seminal collection devices in order to enhance ejaculate characteristics as compared to those ejaculates collected via masturbation[7][8][9][10]
  • 1989: Documentation of the effects of smoking on seminal characteristics and sperm parameters in humans[11]
  • 1992: Introduction of the first standardized and patented technology for in-office use for semen preparation for IUI purposes[12]
  • 1996: Employment of round spermatid injections for treatment of patients with non-obstructive azoospermia[13]
  • 1998: Introduction of the first commercial liquid semen shipper for transporting unfrozen semen to a location for evaluation purposes or for use in an insemination program or for other assisted reproductive techniques (ART) such as in-vitro fertilization (IVF)[14]
  • 2003: Created the first ever human cloned embryos for reproductive purposes[15][16]
  • 2005: First to develop embryo splitting technologies using mouse blastomere biopsy for future use in human assisted reproductive technologies[17][18]
  • 2006: Attempted the first fresh human cloned embryo transfer for reproductive purposes[19][20]
  • 2006: Created the first human-bovine hybrid cloned embryos[21]


  • 2001: Professor Zavos, Severino Antinori, and Dr. Avi Ben-Abraham announced that they are fully prepared to perform therapeutic human cloning.[22]
  • 2003: On 20 May 2003, he announced the creation of a cloned human embryo.[23]
  • 2004: On 17 January 2004, from London, he announced the creation and transfer of a cloned embryo, according to news reports.[24][25] During the announcement, Zavos presented the first evidence of the creation and transfer of a human cloned embryo for reproductive purposes. Even though no pregnancy was established, human reproduction via SCNT is possible and applicable in the future for patients with severe male or female infertility that have no other alternative options for procreating their own offspring.
  • On 4 February 2004, it emerged that the attempt had not worked and the woman did not become pregnant. A spokeswoman for the doctor said, "Prof Zavos and his team are dedicated and will continue their efforts in producing more cloned human embryos for reproductive purposes".[26]
  • 2009: In April 2009, he claimed to have cloned 14 human embryos and transferred 11 of those to wombs.[27]


In his first two announcements, he provided no satisfactory evidence. Other scientists doubted his claimed accomplishments.

In 2002, Spyros Simitis, the brother of Costas Simitis, characterised Zavos's claims as "scientific barbarism". He expressed his opinion that if human cloning were to become reality, it would mean the "end of human freedom and evolution". He also referred to the possible use of cloning by governments for controlling and shaping society according to the government's will.[28][29]

Professor Robert Winston, emeritus professor of fertility studies at Imperial College London, said "I do not know of any credible evidence that suggests Dr Zavos can clone a human being. This seems to be yet another one of his claims to get repeated publicity".[30]

Arthur Caplan, a bioethicist at the University of Pennsylvania, also testified before Congress; he said, "I think he is the most dangerous of the current fringe proponents of cloning, because he knows more, stretches the facts, and seems to be wallowing in a mix of publicity and fund-raising that rests on a foundation of hype."[31]


  1. ^ "Distinguished Alumni - Department of Biology - Emporia State University".
  2. ^ Minnesota, University of (1 May 1992). "Register of Ph.D. Degrees, 1976 - 1986". hdl:11299/108495.
  3. ^ "Distinguished Alumni - Alumni Relations - Emporia State University".
  4. ^ a b c "professorzavos | BIOGRAPHY". professorzavos. Retrieved 29 November 2018.
  5. ^ Luc. "Middle East Fertility Society".
  6. ^ Zavos, Panayiotis M.; Wilson, Emery A. (October 1984). "Retrograde ejaculation: etiology and treatment via the use of a new noninvasive method". Fertility and Sterility. 42 (4): 627–632.
  7. ^ Zarmakoupis-Zavos, Panayota N.; Zarmakoupis, Constantinos N.; Correa, Juan R.; Zavos, Panayiotis M. (1999). "Multiple ejaculate collection via the use of a semen collection device at intercourse versus masturbation" (PDF). Middle East Fertility Society JournaI. 4 (3): 228–232.
  8. ^ Zavos, Panayiotis M.; Goodpasture, Jessie C. (January 1989). "Clinical improvements of specific seminal deficiencies via intercourse with a seminal collection device versus masturbation". Fertility and Sterility. 51 (1): 190–193.
  9. ^ Zavos, Panayiotis M. (October 1985). "Seminal parameters of ejaculates collected from oligospermic and normospermic patients via masturbation and at intercourse with the use of a Silastic* seminal fluid collection device". Fertility and Sterility. 44 (4): 517–520.
  10. ^ Zavos, Panayiotis M. (March 1985). "Characteristics of human ejaculates collected via masturbation and a new Silastic seminal fluid collection device". Fertility and Sterility. 43 (3): 491–492.
  11. ^ Zavos, Panayiotis M.; Correa, Juan R.; Antypas, Spyros; Zarmakoupis-Zavos, Panayota N.; Zarmakoupis, Constantinos N. (March 1998). "Effects of seminal plasma from cigarette smokers on sperm viability and longevity". Fertility and Sterility. 69 (3): 425–429.
  12. ^ Zavos, P. M.; Zarmakoupis-Zavos, P. N.; Correa, J. R.; Aslanis, P.; Zarmakoupis, C. N. (2000). "Assessment of two devices for in vitro preparation of human sperm". Archives of Andrology. 45 (2): 85–90. doi:10.1080/014850100418756.
  13. ^ Zavos, Panayiotis M.; Zarmakoupis-Zavos, Panayota N.; Barnes, Frank L.; Tesarik, Jan; Correa, Juan R. (1997). "Methods for isolation and purification of post-ejaculate human round spermatids for possible use in intracytoplasmic round spermatid injection*" (PDF). Middle East Fertility Society Journal. 2 (2): 147–150.
  14. ^ Zavos, Panayiotis M.; Correa-Perez, Juan R.; Aslanis, Pavlos; Kaskar, Khalied; Zamakoupis-Zavos, Panayota N. (September 2002). "Sperm viability in human semen specimens cryostored at 5°C using the Bio-Tranz™ container system for semen transport". Fertility and Sterility. 78 (3): S236.
  15. ^ Templeton, Sarah-Kate (April 2003). "First proof of cloned embryo; Exclusive: US fertility doctor publishes first ever scientific paper detailing controversial procedure". The Sunday Herald. Archived from the original on 5 December 2018. Retrieved 4 December 2018.
  16. ^ Zavos, Panayiotis M. (April 2003). "Human reproductive cloning: The time is near". Reproductive BioMedicine Online. 6 (4): 397–398.
  17. ^ Illmensee, Karl; Kaskar, Khalied; Zavos, Panayiotis M. (October 2006). "In vitro blastocyst development from serially split mouse embryos and future implications for human assisted reproductive technologies". Fertility and Sterility. 86 (3): 1112–1120.
  18. ^ Illmensee, K.; Kaskar, K.; Zavos, PM (October 2005). "Efficient blastomere biopsy for mouse embryo splitting for future applications in human assisted reproduction". Reproductive BioMedicine Online. 11 (6): 716–725.
  19. ^ Wright, David; Wild, Anna; Gaynor, Josh; Ibanga, Imaeyen (23 April 2009). "Fertility Doctor Claims to Clone, Implant Human Embryos". ABC News. Retrieved 4 December 2018.
  20. ^ Zavos, P. M.; Illmensee, K. (2006). "Possible therapy of male infertility by reproductive cloning: one cloned human 4-cell embryo" (PDF). Archives of Andrology. 52: 243–254.
  21. ^ Illmensee, Karl; Levanduski, Mike; Zavos, Panayiotis M. (April 2006). "Evaluation of the embryonic preimplantation potential of human adult somatic cells via an embryo interspecies bioassay using bovine oocytes". Fertility and Sterility. 85 (1): 1248–1260.
  22. ^ Dr. Ben-Abraham invited Dr Zavos to Israel where they held meetings concerning human cloning with top government officials including the president of Israel. They also met with Rabbi Yitzchak Kaduri the most revered Kabbalist In Israel. cloning : 100% extra Archived 30 June 2008 at the Wayback Machine
  23. ^ news - Αντιδράσεις προκαλεί η ανακοίνωση Ζαβού για τη δημιουργία ανθρώπινου εμβρυϊκού κλώνου
  24. ^ "Doctor 'implants cloned embryo'". 1 May 2018 – via
  25. ^ news - Αμφιβολίες για το αληθές των ισχυρισμών Ζαβού περί εμφύτευσης κλωνοποιημένου εμβρύου
  26. ^ "Human clone attempt fails".
  27. ^ "Fertility expert: 'I can clone a human being'". 22 April 2009.
  28. ^ "Controversial fertility doctor claims to have implanted women with cloned human embryos". Christian Concern. Retrieved 29 November 2018.
  29. ^ [1] doi:10.1016/j.fertnstert.2005.10.026
  30. ^ Boseley, Sarah; Editor, Health (22 April 2009). "Maverick's human cloning claims condemned by leading scientists". the Guardian.
  31. ^ "Return of The Doc Who Cried Clone". WIRED. Retrieved 29 November 2018.

External links[edit]

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