Esperienze Estero
1994 Surgical Retina Service - University of Southern California, Doheny Eye Institute; Los Angeles . Chairman: Stephen J. Ryan
1994 Retina Service - Cornell University New York - St. Luke-Roosvelt Hospital; New York . Chairman: Stanley Chang.
1995 Retina Service - Columbia University St. Luke-Roosvelt Hospital; New York . Chairman: Stanley Chang
1995 Retina Service - Duke University Medical Center , Duke Eye Center ; Durham , North Carolina . Chairman: Robert Machemer.
1996 Retina Service - Harvard Medical School , Massachusetts Eye and Ear Infirmary; Boston , MA . Chairman: Evangelos S. Gragoudas
1997 Columbia University. Columbia-Presbyterian Medical Centrer - Edward Harkness Eye Institute; New York , NY. Chairman: Stanley Chang
1998 Cleveland Clinic Foundation - Dept. of Ophthalmology - Surgical Retina Service; Cleveland , Ohio . Chairman: Hilel Lewis
1998 Columbia University. Columbia-Presbyterian Medical Centrer - Edward Harkness Eye Institute; New York , NY . Chairman: Stanley Chang
1999 - 2000 Medical and Surgical Retina Post-Doctoral Fellow - Columbia University. Columbia-Presbyterian Medical Centrer . Edward Harkness Eye Institute; New York , NY. Chairman: Stanley Chang
2001 Columbia University. Columbia-Presbyterian Medical Centrer - Edward Harkness Eye Institute; New York , NY . Chairman: Stanley Chang
2003 Columbia University. Columbia-Presbyterian Medical Centrer - Edward Harkness Eye Institute; New York , NY . Chairman: Stanley Chang
2005 Columbia University. Columbia-Presbyterian Medical Centrer - Edward Harkness Eye Institute; New York , NY . Chairman: Stanley Chang
2007 Columbia University. Columbia-Presbyterian Medical Centrer - Edward Harkness Eye Institute; New York , NY. Chairman: Stanley Chang
2008 Frankfurth - Staedtische Kliniken Hoechst - Chairman: Claus Eckardt
2011 New York - Columbia University
2013 ESASO School Lugano, Switzerland
2013 Barcelona - Espana - IMO Istituto de Microcirurgia Ocular
2013 - Cleveland Clinic - Cole Eye Insitute - Cleveland OH, USA