Best Cryopreservation of sperm Doctors Worldwide — TOP 36

Dr. Berk Angun is a certified Embryologist with ESHRE membership, specializing in reproductive endocrinology and infertility at Dunya IVF Clinic.

• Pioneered quality management processes rewarded by EFQM
• Specializes in reproductive endocrinology and infertility
• Certified Embryologist with extensive training
• Member of TSRM, TJOD, and JED associations

Dr. Tayfun Kutlu is a reproductive endocrinologist with over 24 years of experience. He specializes in in vitro fertilization, microwave endometrial ablation, and advanced infertility treatments. He holds certifications in Assisted Reproduction Treatment Methods and Laparoscopic Surgery. These reflect his commitment to modern reproductive medicine.

Dr. Kutlu has made important contributions to the field through research and peer-reviewed publications. He is known for high patient success rates and a strong focus on clinical excellence. Patients trust him for his expertise in reproductive health and infertility care.

Specializing in IVF and reproductive medicine at Memorial Ataşehir Hospital – Dr. Cogendez focuses on fertility preservation techniques.

• Over 27 years of experience of experience in obstetrics and gynecology
• Worked in IVF units at leading women's health hospitals
• Expertise in advanced reproductive technologies

Dr. Barbed coordinates one of Spain's most advanced egg donation programs at Centro Médico Teknon, specializing in reproductive medicine with over 23 years of experience of experience.

• Trained at Institut Universitari Dexeus – a leader in reproductive medicine
• Ranked among Top 10 Gynecologists in Catalonia for reproductive care
• Member of European Society of Human Reproduction and Embryology
• Level III certification in gynecological ultrasound diagnostics

Dr. Punyamitr specializes in assisted reproductive technologies with specialized training from Singapore's National University Hospital.

• Medical Director at Prime Fertility Center
• Certified Assisted Reproductive Technology Specialist by The Royal Thai College
• Over 19 years of experience of experience in fertility treatments
• Practices at Bumrungrad Hospital for private cases

Dr. Gaifulina leads clinical trials for advanced reproductive techniques, including sperm cryopreservation, at a top UAE fertility center.

• 29 years of experience in reproductive medicine and IVF
• Chief Physician of a Russian ART center for 29 years of experience
• Conducts Ministry-approved research on male fertility treatments
• Specializes in complex cases requiring sperm preservation

Fellowship-trained in Reproductive Medicine at Chulalongkorn University – Dr. Kritsernvong specializes in fertility preservation at Prime Fertility Clinic.

• Residency in Obstetrics and Gynaecology from Chiang Mai University
• First-class honors graduate in Medicine from Navamindradhiraj University
• Research award winner for work on hormonal effects on bone health
• Currently practices reproductive medicine at Chulabhorn Hospital

Dr. Wasin Naknam is an obstetrician-gynecologist and reproductive medicine specialist. He earned his MD from Chiang Mai University, Thailand, in 2012. He received Thai Board certification in Obstetrics and Gynecology in 2016. He completed the Thai Board of Infertility and Assisted Reproductive Technology in 2018. He obtained a master’s in Biotechnology of Assisted Human Reproduction and Embryology from the University of Valencia, Spain, in 2021.

Clinical focus: IUI and IVF/ICSI (long, antagonist, and double stimulation protocols). Customized ovarian stimulation for poor ovarian reserve and PCOS. Targeted care for repeated embryo transfer failure. PGT-A, PGT-M, and PGT-SR. Laparoscopy and hysteroscopy for infertility.

Professional activities: ESHRE workshops and annual meetings in 2017 (Geneva), 2018 (Barcelona), and 2019 (Vienna). TSRM seminar and conference in Pattaya in 2019. Poster presentation at ESHRE 2020 (virtual). Memberships: ASPIRE, ESHRE, ASRM, and TSRM.

Prof. Aydin specializes in reproductive medicine with over 33 years of experience of experience, including advanced IVF and sperm cryopreservation techniques.

• Professor at Istanbul Aydın University VM Medical Park Florya Hospital
• Member of the American Society for Reproductive Medicine (ASRM)
• Expert in microsurgical tuboplasty and laparoscopic surgeries
• Advanced English proficiency for international patients

Dr. Chaisuk Jiwatanaporn is an obstetrician-gynaecologist (OB-GYN) with a subspecialty in reproductive medicine. Dr. Jiwatanaporn earned an MD from the Faculty of Medicine, Chulalongkorn University in 1999. Dr. Jiwatanaporn holds the Thai Board in Obstetrics and Gynaecology from the Medical Council of Thailand, completed at Chonburi Hospital. Dr. Jiwatanaporn completed a fellowship in reproductive medicine at Chulalongkorn University in 2009. Practice areas include general obstetrics and gynaecology, reproductive endocrinology and infertility, and gynaecologic endoscopy.

Continuing education includes ESHRE workshops and annual meetings in Lisbon (2016), Geneva (2017), Barcelona (2018), and Vienna (2019). Additional meetings include ASPIRE 2019 in Hong Kong, TSRM 2019 in Pattaya, and COGI 2019 in Paris. Professional memberships include the Medical Council of Thailand, RTCOG, TSRM, TSGR, and ESHRE.

Dr. Wasin Naknam is an obstetrician-gynecologist and reproductive medicine specialist. He is Thai Board-certified in Obstetrics & Gynecology (2016) and in Infertility & Assisted Reproductive Technology (2018). He earned his MD from Chiang Mai University (2012). He completed a Master’s in Biotechnology of Assisted Human Reproduction and Embryology at the University of Valencia (2021). He presented a research poster at ESHRE 2020. He attended ESHRE workshops and meetings from 2017 to 2019. He is a member of ASPIRE, ESHRE, ASRM, and TSRM.

His practice includes IUI and IVF/ICSI (long, antagonist, and double stimulation). He provides tailored ovarian stimulation for low ovarian reserve and PCOS. He manages recurrent embryo transfer failure. He uses PGT-A, PGT-M, and PGT-SR for genetic indications. He performs infertility surgery by laparoscopy and hysteroscopy.

35 years of experience in reproductive medicine – Dr. Aurell leads Quirónsalud Fertility Campus Barcelona, a top center for fertility treatments.

• Specializes in fertility preservation including sperm cryopreservation
• Medical Director of a leading fertility center with international standards
• Trained in reproductive medicine at Hammersmith Hospital, London
• Member of European Society of Human Reproduction and Embryology

Head of Andrology at two prestigious hospitals – Dr. Torremade Barreda leads specialized teams at Teknon Medical Centre and Hospital Clínic of Barcelona.

• 18 years of experience focused on male reproductive health and urology
• Fellowship at Memorial Sloan Kettering Cancer Center in New York
• Editor of the International Journal of Andrology
• Member of European Committee of Sexual Medicine

Associate Professor Engin Turkgeldi specializes in reproductive medicine at Memorial Bahçelievler Hospital, with extensive training in clinical trials and IVF.

• Over 15 years of experience of experience in obstetrics, gynecology, and IVF
• Certified in reproductive medicine by the Ministry of Health
• Holds a Master's in Clinical Trials from the University of London
• Works at one of Turkey's leading hospitals for fertility treatments

Dr. Alper Eraslan specializes in cryopreservation of sperm with a strong background in reproductive medicine at Dunya IVF Clinic.

• Certified IVF Specialist trained at American Hospital in Istanbul
• Completed Ob&Gyn residency at Marmara University Hospital
• Holds fellowships from ESGO in Germany and Belgium
• Graduated from the University of London and London School of Hygiene and Tropical Medicine

Professor Eken leads the IVF Unit at Bahçeşehir University Medical Park Göztepe Hospital, specializing in male factor infertility and cryopreservation techniques.

• 18 years of experience experience in obstetrics and gynecology
• IVF clinical training at Zeynep Kamil Hospital
• Published 30+ peer-reviewed articles on reproductive medicine
• Head of IVF unit at multiple major hospitals
• First prize winner in gynecology research

Prof. Dr. Teraporn Vutyavanich specializes in Obstetrics & Gynecology, Assisted Reproductive Medicine, and Endocrinology. He is known as the father of assisted reproductive medicine in Thailand and the country’s first specialist in this field. He has authored over 100 publications. He chaired the Thai Society for Reproductive Medicine from 2005 to 2010 and from 2015 to the present.

He is a Professor at Chiang Mai University. He also serves as Director of the Reproductive Center at Chiang Mai University and Medical Director of the Chiang Mai IVF Polyclinic. He holds an MD (Honours) from Mahidol University. He is board-certified by the Thai Board of Obstetrics & Gynaecology and the Thai Subspecialty Board of Reproductive Medicine. He earned an M.Sc. in Medical Sciences from the University of Nottingham and an M.Sc. in research design from McMaster University. He completed fellowships in reproductive endocrinology at New York Hospital–Cornell and the Mayo Clinic under the Ananda Mahidol Scholarship. He is an ESHRE-certified senior embryologist.

31 years of experience specializing in reproductive medicine – Dr. Ulubas brings extensive IVF expertise to Dunya IVF Clinic.

• Specialized in IVF since 1998
• Consultant at Dunya IVF since 2024
• Worked in IVF clinics worldwide

Dr. Pitch Chandeying is an OB-GYN with a subspecialty in reproductive medicine. He completed a fellowship in reproductive medicine at the Faculty of Medicine, Chiang Mai University.

He completed certified training in assisted reproductive technology through ATE and TSRM in 2024 and 2025. He also trained in minimally invasive surgery at Siriraj Hospital in 2024.

His expertise includes IUI and IVF/ICSI. He manages complex infertility, such as poor ovarian reserve, PCOS, and recurrent implantation failure. He also performs sperm retrieval for azoospermia (PESA, TESE) and offers PGT-A, PGT-M, and PGT-SR.

He is a member of ESHRE, ASRM, TSRM, and the Association of Thai Embryologists (ATE).

Associate Professor at Hebrew University and IVF Center Director at Hadassah – leading expertise in sperm cryopreservation and reproductive technologies.

• Trained in gamete micromanipulation at top US and European clinics
• Specializes in advanced reproductive techniques for fertility preservation
• Academic researcher contributing to IVF advancements
• Experienced in laparoscopic and reconstructive pelvic surgeries