* Bariatric and Metabolic Surgery
* Advanced Laparoscopic Surgery
* Anti-reflux Surgery
* Gastro-intestinal Surgery
* Hernia Repair Surgery
* Trainer for Laparoscopic Surgery
* Trainer for Laparoscopic Surgery
* Minimal Invasive Abdominal Surgery, Upper or Lower GI, with a special interest for Bariatric Surgery
2008 Romanian Society of Surgery
2008 Romanian Association for Endoscopic Surgery and other Minimal Interventional Techniques
2008 The Romanian College of Physicians
2010 General Medical Council – United Kingdom
2014 European Association for Endoscopic Surgery (EAES)