David Quinn is an American actor, entrepreneur and teacher, currently serving as a Coordinator and Instructor of English in The International Baccalaureate Diploma Programme, Theory of Knowledge at a high school in the Seattle area. In 2013, he was selected as a Claes Nobel Educator of the Year and named one of the top ten educators in America. Quinn began acting at the age of four, starting out as a regular on the enduring children's program Sesame Street. Between 1986?1988, he was the host of 3-2-1 Contact, the educational science series produced for The Public Broadcasting Service. In 1988, he hosted the TV series "I Have AIDS, A Teenager's Story" with noted AIDS advocate, Ryan White. The program won the Peabody Award. As a teen, Quinn went to noted performing arts training center Stagedoor Manor in New York for many summers, and roomed with friend Jon Cryer. In 1985, Quinn performed in the original Live Aid concert in Philadelphia, singing in the show's finale with the group "Children to Children". During his television career, Quinn appeared in numerous commercials and television programs before embarking on simultaneous careers in business and education.