• Panamericano de Andrología, May 1979
• Simposium Internacional de Urología Pediátrica, Nov 1979
• Avances en Urología Pediátrica, Feb 1980
• Patología Adrenal, Abril 1981
• Patología Femenina Urológica, Abr 1981
• Internacional de Urologia Oncológica, May 1984
• Actualización de Urología, Nov 1984
• Actualización en Urología Universidad Das Campinas, Brasil, Mar 1985
• XVIII Annual Postgraduate Seminar in Pediatric and Adult Urology, Miami Ene 1986
• Advances in Urology, Cleveland Mar 1987
• Symposium on Urology Cancer,Baltimore Abr 1987
• Alternatives to Cutaneous Urinary Diversion, Oct 1987 Atlanta
• Manejo de Lithostar, Maysz Dic 1987
• Simposium sobre litotripsia con Ondas de Choque Indianapolis, Mar 1988
• Advances in the Management of Urologic Cancer, Houston Feb 1989
• 4th International Symposium Transrectal Ultrasound in the Diagnosis and Management of Prostate Cancer Chicago, Sep 1989
• Curso con Dr. Lee sobre USTR (Ultrasonido Prostático Transrectal) Ene 1990
• Curso con Dr Walsh sobre Prostatectomía Radical, Ene 1990
• Urinary Diversion, Testicular Malignity, Renal, Bladder, Prostate Cancer, Toronto, Jun 1991
• Laparoscopic Surgery in Urology Transrectal Ultrasonography and Biopsy ,Viena Jun 1991
• XIX Annual Selected Topics in Urology Gainesville, Florida Feb 1992
• AUA New York Section Seminar, Mar 1993
• AUA San Antonio Section Lithiasis, Ultrasound, Private Practices, Thecnological Advances, Prostate Cancer May 1993
• Laser in Uorlogy Workshops, Nashville, Tn. May 1993
• Laser Education Program, Oaks, Ph. Jun 1993
• Cirugía Urológica Laparoscópica, San Luis, Mo. Dic 1994
• Surgical Technological Advances in Adult and Pediatric Urology, Nueva York Dic 1994
• Perspectives in Urology,Phoenix Arizona Nov 1995
• Urolithiasis Update Rhode Island, Jun 1996
• XVII Anual Jackson Hole Conference, Ene 1997
• Avances en Urología Jalisco, México Ago 1998
• Urologyc Cancer Harvard Medical School Boston, Oct 1998
• Speciality Review in Urology, Rush Medical College Illinois, Abr 1999
• Masters Course in Male Erectile Dysfunction Ithaca Center Boston, May 1999
• Biología MolecularHospital Universitario de Caracas, May 1999
• Update in Urologic Oncology American Urological Association, Utah, Ene 2000
• Laparoscopic Radical Nephrectomy JHH. Baltimore, Ene 2001
• AUA Endourology and Ureteroscopy Keystone, Ene 2001
• AUA Female Urology A.U.A. Chicago Abr 2001
• AUA Urologic Oncology Update 2001 Course Houston, Texas 2001
• Observador en Urología Laparoscopica en Cleveland Clinic Urological Institute Cleveland, Nov 2002
• Urologic Oncology: Open vs Laparoscopic A.U.A 2002 Atlanta, Georgia
• Pasante de Urología Laparoscópica en Hospital Henri Mondor Francia, Oct 2003
• Hand-Assisted Laparoscopic, Houston Ene, 2004
• XVII Annual Aspen Urological Conference. Advocate Health Care Aspen, Co. Feb 2004
• The 20TH Annual CME Winter Urological Forum, Columbia University Feb 2006
• Benign Prostatic Hyperplasia (BPH) Course Syllbus, San Francisco Nov 2007
• Second Annual World Robotic Urology Symposium Ohio State University Medical Center 2008
• Third Annual World Robotic Symposium, Orlando, Mar 2008
• Urologic Cancer, Harvard Medical School Oct 2008
• AUA Annual Meeting Chicago, Il Abr 2009/27 th World Congress on Endourology and SWL, Munich, 2009
