Play Pause Unmute Mute contact Hamburg, my pearl! Dr. Michael Zeisig | Game Changing Partner Poppenbütteler Chaussee 51a D-22397 Hamburg +49 (0) 40 547 568 77 michael.zeisig@gamechanging-partner.com www.gamechanging-partner.com I am looking forward to your message! Please feel free to call me or send me an e-mail