He is currently an executive with Global Sports Group, Limited Liability Company.
Messing, brother of Shep, played college soccer at Yale University. In 1978, Messing signed with the San Diego Sockers of the North American Soccer League. He then played for the Cincinnati Kids of the newly established Major Indoor Soccer League during the 1978-1979 indoor season.
He returned to the NASL in 1979 with the Rochester Lancers.
During the 1980-1981 MISL season, he played for the San Francisco Fog. However, he blow to the head led to a partially detached retina which put out of playing for over a year.
Messing retired in 1988. He then attended Yale University where he graduated with a bachelor"s degree before earning an Master of Business Administration from Harvard University.
Messing ran a goalkeepers camp called "Messing Goalkeeper Academy" in 1988 based in Suffield Connecticut.