New faculty

Rig Das, PhD

Rig Das, PhD

Five new faculty members have joined the UNMC College of Medicine this month. They are:

Assistant professors

  • John O’Hara, PsyD, neurological sciences
  • Tony Richa, MD, otolaryngology/head and neck sugery


  • Sanjib Chaudhary, PhD, biochemistry and molecular biology
  • Rig Das, PhD, neurosurgery
  • Siva Koganti, PhD, internal-medicine-gastroenterology