Medical Director of the Sacred Heart of Jesus Hospital, Vienna, Austria since 2007. Head of the Department of Anesthesiology, Intensive Care and Pain Therapy of the Sacred Heart of Jesus Hospital, Vienna, Austria since 2005. Spokesman of the Association of Convent Run Hospitals Vienna since 2009. Associated Director ́s Board Member of the ÖGARI (Austrian Society of Anesthesiology, Resuscitation and Intensive Care) since 2019. Head of the Medical Management Team, Vinzenz Gruppe, Austria from 2016 to 2018. Clinical and scientific main focus is Ultrasound in Regional Anesthesia and Pain Medicine where doctor Manfred Greher is one of the TOP experts in the world. He is an author and co-author of many scientific publications and a holder of many scientific awards. He is also a reviewer for: RAPM, Anesthesiology, JCA, JPain, Pain Practice, JKS, EJA, AINS