Mark Streitz DDSLogo Design Contest Logo Design Contest Contests / Mark Streitz DDS Mark Streitz DDS has selected their winning logo design. For $500 they received 90 designs from 21 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by guz Return to Contest Return to Contest Prefers others. #88 Prefers others. #87 Prefers others. #73 Prefers others. #72 Discussion No comments yet.