Azoospermia Doctors Worldwide

Dr. Tomasz Maliszewski is a urology specialist and Fellow of the European Board of Urology (FEBU). He graduated in 1996. He completed general surgery specialisation in 1999. He completed urology specialisation in 2003 and passed the European Board of Urology examination the same year.

His practice includes the diagnosis and treatment of urinary tract and male reproductive disorders. He offers individualised urological care. He focuses on accurate diagnosis and choosing the right therapy. He supports patients with professionalism, safety and comfort.

Dr. Ugur Aferin specializes in urology with a focus on complex male reproductive conditions. His research contributes to advancements in urological treatments.

• Graduated from Istanbul University, Cerrahpaşa Faculty of Medicine
• Co-authored studies on prostate cancer biomarkers and bladder conditions
• Published in international and national peer-reviewed journals
• Faculty member since 2022

Dr. Avi Beri specializes in treating complex urological conditions at Sourasky Medical Center, one of Israel's leading hospitals.

• Expert in kidney stones treatment and prostatectomy
• Performs transurethral resection of the prostate (TURP)
• Offers comprehensive vasectomy procedures
• Provides specialized urology consultations

Head of Endo-Urology at Sourasky Medical Center – Dr. Sofer specializes in cutting-edge minimally invasive procedures.

• 39 years of urology experience, including uro-oncology training
• Fellowship-trained at University of Miami and Western Ontario
• Published 50+ scientific articles on urological conditions
• Member of international urology associations
• Senior lecturer at Tel Aviv University

Dr. Jacob brings rare expertise from Johns Hopkins, a world leader in pediatric urology. At Sourasky Medical Center, he applies this advanced training to complex cases.

• Specializes in conditions including varicocele and hydrocele
• Fellowship in pediatric urology at Johns Hopkins in the USA
• Former Chairman of the Pediatric Urology Union in Israel
• Recipient of a national award for pediatric urology research
• Member of the American and Israeli Urological Associations

Dr. Hughes Hyun specializes in minimally invasive and robotic surgery for azoospermia at Sourasky Medical Center.

• Board-certified surgeon with extensive experience
• Focuses on advanced robotic techniques
• Practices at one of Israel's leading medical centers

Prof. Haim Matskin heads the Urology Department at Sourasky Medical Center, specializing in onco-urology and advanced treatments like brachytherapy and cryotherapy.

• Recognized authority in brachytherapy and cryotherapy for tumor cells
• Specializes in genito-urinary diseases, including malignant tumors
• Full member of the Association of Urologists of Europe, the US, and Israel

Prof. Dr. Ozgur Haki Yuksel specializes in andrology, with extensive expertise in male infertility at VM Medical Park Pendik Hospital.

• 23 years of urology experience, focusing on male infertility
• Trained at University of Michigan's Department of Urology
• Published 34 international research papers on urology
• Member of European Urology Association (EAU)
• FEBU Board Certification recognized across Europe

Prof. Dr. Kadir Önem is a Professor of Urology at Medical Park Hospital in Samsun. He earned his MD and completed his urology residency at Istanbul University. He then completed a postdoctoral fellowship at Baylor College of Medicine in neuro-urology, reconstructive urology, and urologic oncology. He treats complex neuro-urological and reconstructive cases in adults and children. He has developed surgical techniques.

He is a principal investigator in several international Phase III–IV trials on neurogenic bladder and bladder cancer. He has more than 70 publications and book chapters. He serves as a reviewer for multiple journals.

Leadership and affiliations: President, Turkish Urological Association – Western Black Sea Branch (2025). ISCoS Prevention Committee (2025). EAU Neurourology Group (2023–2025). ICS Neurourology Committee (2023–2025). INUS Board (2023). Awards: TUA (2016, 2017, 2020, 2022) and ICS (2020).

Dr. Kurshad Zengin brings over 22 years of experience in medicine, specializing in urology and reproductive health at Lokman Hekim Akay Hospital.

• Graduated from Hacettepe University – one of Turkey's top medical schools
• Trained at Ankara Dışkapı Training and Research Hospital
• Specializes in male reproductive health and infertility treatments
• Affiliated with a leading private hospital in Turkey

Dr. Hasan Anıl Atalay is a urologist focused on uro‑oncology, reconstructive urology, and stone disease. He has expertise in laparoscopic and robotic surgery. He trained at Cerrahpaşa Faculty of Medicine and Istanbul Training & Research Hospital. He completed advanced training at Memorial Sloan Kettering Cancer Center (2010–2011) and World Laparoscopy Hospital (2019–2020).

He has authored more than 30 peer‑reviewed papers (2016–2021). Topics include CT texture to predict ESWL outcomes, VI‑RADS in bladder cancer, renal function after partial nephrectomy, PCNL fluoroscopy and stone metrics, sexual dysfunction, urosepsis biomarkers, and 3D models for PCNL and patient education. He is a member of the European Urology Association, the Turkish Urology Association, and the Urological Surgery Association.

Dr. Mumin Temel specializes in infertility treatments, including azoospermia, at Büyük Anadolu Hospitals.

• Performs RIRS (Laser Stone Breaking in the Kidney)
• Expert in open and closed prostate surgeries
• Experienced in urological cancer surgeries
• Specializes in urinary incontinence treatment

Head of Urology at Quirónsalud Marbella – Dr. Vilches specializes in male urology and reproductive system conditions.

• Extensive training in the U.S. at Memorial Sloan-Kettering Cancer Centre
• Co-founded the Urologic Surgery Institute of Malaga
• Member of the Renal Transplant Unit at Carlos Haya Hospital
• Author of multiple articles on urologic pathologies

Dr. Antonio Allona is the Director of Urology at Hospital Ruber Internacional. He specializes in prostate cancer, reconstructive urology, and andrology. Dr. Allona is a Fellow of the European Board of Urology. He served as General Secretary of the Spanish Association of Urology for eight years.

• Earned his PhD cum laude for research on bladder replacement techniques.
• Served as a member of Spain’s National Commission of Urology.
• Treats complex conditions including urological cancers, azoospermia, and urethral strictures.
• Works at JCI-accredited Hospital Ruber Internacional, a Forbes-ranked top hospital in Spain.

Professor Ilter Alkan brings 30 years of urology expertise, with specialized training in laparoscopic and endourological techniques.

• Fellowship-trained in laparoscopic urology at Krankenhaus der Elisabethinen, Austria
• Professor of Urology at Yeditepe University
• Member of European Association of Urology and Endourological Society
• Practices at Memorial Bodrum Hospital with advanced surgical facilities

The doctor is a highly experienced urology specialist serving as the Head of the Urology Department at Hospital Quirónsalud Torrevieja since 2017. With a medical degree and specialization from Johannes Gutenberg University in Germany, the doctor has extensive clinical experience dating back to 2007. The doctor's expertise encompasses oncological urology, prostate diseases, and complex urinary tract conditions.

A key focus of the doctor's practice is robotic urological surgery, specifically utilizing the Da Vinci surgical system for prostate cancer procedures. The doctor has contributed to academic literature, including chapters in Differentialdiagnose Urologie, and maintains a strong focus on providing high-quality care for both local and international patients.

Prof. Gil Raviv is a specialist in andrology and reconstructive urology at Sheba Medical Center. Forbes named him among the Best Doctors in Israel. He is the director of the Andrology Unit. Dr. Raviv focuses on male infertility, sexual health, and urethral reconstruction. He works at Sheba, a Top 10 world-ranked hospital.

• Performs specialized sperm retrieval techniques including micro-TESE, TESA, and MESA.
• Treats complex conditions like erectile dysfunction, Peyronie’s disease, and azoospermia.
• Uses microsurgical methods and robotic systems for prostate and urological procedures.
• Provides stem cell therapy and shockwave treatment for sexual dysfunction.

Dr. Maciej Zbrzezniak is a urologist with FEBU certification (2000). He earned a PhD in medical sciences in January 2004. His dissertation was “Usefulness of urodynamic studies in qualifying patients with benign prostatic hyperplasia for surgical treatment,” supervised by Prof. Andrzej Borówka. He graduated from the Medical Academy in Warsaw (1986–1993).

Clinical focus includes kidney and ureteral stone management (PCNL, RIRS, URSL) and urodynamic diagnostics. He also treats BPH conservatively and with TURP, manages urinary incontinence in women and men (suburethral sling, BOTOX™, laparoscopic colposuspension), and performs TURBT.

Experience: Assistant Professor, Department of Urology, CMKP Warsaw (since 2004). Senior Research and Teaching Assistant (1999–2004). Assistant, SPSK1 CMKP Department of Urology (1994–1999).