[2] At City College, Steinfeld competed in running categories ranging from the 220 yards to 1 mile and graduated in 1969 with an electrical engineering bachelor's degree.
In 1971, Steinfeld received a master's degree at Cornell University with a dual major of radio astronomy and electrical engineering.
[3] During this time period, Steinfeld became an assistant athletic coach and academic teacher in 1973 for a Rye Neck, New York high school.
[9][10] After Lebow died in 1994, Steinfeld became the NYRR's president and the New York City Marathon race director that year.
[13] Outside of the NYRR, Steinfeld co-established the Association of International Marathons and Distance Races in 1982 and was the organization's inaugural technical chairperson.
[3] Outside of New York, Steinfeld was a referee at the marathons held during the 1984 Summer Olympics and was in charge of the 1984 IAAF World Cross Country Championships.