After leaving the military in 1971 Eichenlaub was active professionally in theater (writer, actor, dancer, producer of children's theater) until 1986.
He spent nearly thirteen years in academia doing post-graduate studies in Education and teaching as adjunct faculty in the KSU College of Education teaching undergraduate and graduate classes on the main campus, Stark campus and Tuscarawas campus.
In 1999 Eichenlaub left academia to work in the corporate world as a Information Technology professional. As an IT professional he worked as a computer programmer, corporate webmaster, business architect/analyst, application architect, and solutions architect until retiring in late 2014.
Eichenlaub has been married to Robin Ruth, Kent State's Costume Shop Supervisor, for 29 years. They have two children, Meredith and Kevin. Eichenlaub also has a son, Nathan, from a previous marriage, and three grandchildren – Everett, Wyatt (Nathan) and Kei'Nell (Kevin).