- AUA 2012 Atlanta - USA
- EAU 2013 MILAN - ITALY
- EAU 2014 Stockholm - Swedish
- EAU 2015 Madrid - Spain
- EAU 2016 Munich - Germeny
- WORLD CONGRESS ENDOUROLOGY (WCE) 2016 - Cape Town - South Africa: Guest speaker
- EAU 2017 - LONDON -EXCEL
- WORLD CONGRESS ENDOUROLOGY (WCE) 2017 - Vancouver - Canada : Guest speaker
- EAU 2018 - COPENHAGEN - DENEMARK
- WORLD CONGRESS ENDOUROLOGY 2018 (WCE) Paris - France : Guest speaker
- 10 - 7th IAU (International Alliance of urolithiasis) - 2018
- 11- Europpean Section Of Urolithiasis (EULIS) Board Annual Meeting 2018
- 12- European section of Urolithiasis annual meeting (Milan - Italy) (3 -5 /10/2019)
- 13- World Congress Endourology (WCE 2019) (AbuDubai - Emirates) (29-10-2019) till (2-11-2019)
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- SAADWAEL738@GMAIL.COM