He received his medical training and completed his residency in Urology (1998) and his PhD (2004) at AUTh. He was Registrar Β΄ at the Urology Clinic of the General Hospital of Chalkidiki (2000–2002), when he was awarded a one-year scholarship on the European Urological Scholarship Programme so as to undertake a research study on the pathophysiology of urinary bladder sensory routes and the use of experimental intracystic treatment in the management of incontinence due to neurogenic or idiopathic overactivity of the detrusor at the National Hospital for Neurology & Neurosurgery and Hammersmith Hospital in London, United Kingdom. For 4.5 years he continued to work at the Institute of Neurology, University College London (UCL) up to 2006, when he was elected as a Lecturer at AUTh, where he was elected as a Professor in 2011. He is still working with UCL, where he was awarded the status of Lecturer Emeritus. He has been Head Researcher in a number of multi-centre studies and research protocols. He has published numerous papers in international medical journals (50 articles on PubMed) with more than 1500 citations, and has received the award of best publication by the British Journal of Urology International (2004). In 2008 he organized the 1st European Consensus Meeting on the Use of Botulinum Toxin in Urology. He is a member of the Committee for Neurogenic Urinary and Faecal incontinence at the International Consultation on Incontinence 2012. He is a reviewer for numerous scientific journals, a member of the Editorial Board of European Urology and Neurourology & Urodynamics and has been awarded the title of best reviewer in basic research in the Journal of Urology (2011). He has been a scientific associate of KESAY (Centre for Sexual and Reproductive Health) since 1998 and the INSTITUTE FOR THE STUDY OF UROLOGICAL DISEASES since it was founded. Since 2012 he has been the Scientific Head of the UNIT FOR THE STUDY OF UROLOGICAL DISEASES and Vice President of the INSTITUTE FOR THE STUDY OF UROLOGICAL DISEASES.