Marc-Dieter Einstmann is chairman and leading engineer at Einstmann Mastering in Hamburg and New York. He started his career in 1987 and worked with artists like Dave Stewart, Annie Lennox, Chrissie Hynde, Mick Jagger, Mary J. Blige, David Lee Roth, Notorious B.I.G., Cäthe, D’Angelo, Tricky, Depeche Mode, KD Lang, Yo-Yo Ma, Elvis Costello, The Neptunes, Frankie Knuckles, Flood (U2), David Kahne (Paul McCartney), Rodney Jerkins (Michael Jackson), Chris Evans, Franz Plasa, Imogen Heap, Mandy Capristo and Cindy Lauper He started mastering in 1997 in Boston and founded Sonic Silver Mastering, working mainly for local artist then. In between 2002 and 2005 he worked at Sterling Sound. He also plays drums, trompet and percussion. He studied music at Keele University in Germany (1988-93) and Berklee College of Music (1994-95)