Dr. Krishna is an orthopedic surgeon who is currently in private practice in Yuma and was formerly the chief of surgery at Yuma Regional Medical Center. Dr. Krishna served as chair of the Yuma Regional Medical Center Board of Trustees and as president of the Yuma County Medical Society. Currently, he is a member of the Arizona Orthopedic Society and the Arizona Medical Association. Dr. Krishna was awarded the Arizona Medical Association's Distinguished Service Award in 2000 for his exceptional work in the community.

He obtained his medical degree from Bangalore University Medical College in Bangalore, India. He did his internship, a one-year residency in general surgery and a four-year residency in orthopedics at the University of Massachusetts Medical Center.