A native of Spartanburg, S.C., Cromer attended Art Schools in Nashville, Pittsburgh and New York. He holds an Honors degree from the Art Center School in Los Angeles. He has traveled extensively as a professional artist, painting and exhibiting internationally. He lived in Europe for many years, based in London.
Cromer returned to South Carolina in 1993, making his home in Spartanburg and Beaufort, where he is active as an exhibiting artist. He has lectured and taught at the Spartanburg Art Museum School (SAM) and holds regional workshops. He is a "Member with Excellence" in the South Carolina Watercolor Society and served as Exhibition Chairman for the year 2000.