He is Chief of the Dermatology Service at the Denver VA Medical Centre and Eastern Colorado Health Care System. He has completed his BA MA degrees in Philosophy at UCLA in 1986 He received a PhD in Molecular Genetics and Cell Biology from the University of Chicago Chicago IL 1993 and an MD from the same institution in 1996. He received his Master of Science in Public Health from the University of Colorado in 2004. He is serving as an editorial board member of 7 journals and has more than 100 peer reviewed publications.