Shaheen’s practice and research is exclusively focused on advanced endometriosis surgery, including urological, gastrointestinal, diaphragmatic and nerve endometriosis (Neuropelveology). He runs a high volume multidisciplinary endometriosis centre in London, England, at the Lister Hospital CEMIG (Centre for Endometriosis and Minimally Invasive Gynaecology).His latest publications include perioperative outcomes of his large series of 1116 endometriosis excision procedures using his SOSURE technique; Validation of VNESS (Visual Numeric Endometriosis Staging System), a novel classification and mapping system for endometriosis and multiple video publications demonstrating his techniques in robotic and laparoscopic endometriosis excision.