Marc studied World Heritage Management with special interest in Historic Urban Landscape and Marine World Heritage (M.A.). With his company Steinland Consult he works as a culture manager and public relation/ funding specialist in festival/ conference organisation (BerlinBeta, Go4BioDiv 2010) and film acquisition. For 10 years he was the owner and publisher of FLYER city magazine with offices in Germany, Japan and USA. In 2000 he was a co-founder and press-speaker of Clubcommission, where his special focus lies on urban development, noise emission and (drug) policy issues. He works on international projects with Berlin Music Commission (e.g. Japan, Greece, Mexico) and is a member of the advisory board of Musicboard Berlin.