The creative head, founder and managing director of Kinescope Film is writer and director as well as commissioning editor, producer and executive producer for national and international productions. His portfolio includes cross-media formats, daily news coverage, documentaries, and feature film productions as well as show, magazine and cultural formats, fictional and non-fictional series. Born in Bremen, numerous engagements in film, television and theatre production followed after an extensive education. As an expert and mentor, Greving is involved in various programs for the promotion of young talent and was a member of the documentary film jury of the BKM as well as on the board of directors of the Bundesverband Regie (German Directors Guild). And because film is an integral part of his life, he initiated the FILMFEST BREMEN in 2015, which he still shapes today as festival director.