Longo Berger

Longo Lee Berger, MD, M.R.O. is a human doctor and medical review officer working for the United Nations Space Command's SPARTAN-IV program. As a certified medical review officer, Berger is responsible for certifying that the Spartan-IVs' augmentations are carried out successfully and that they recover in a healthy fashion so they are fit for duty before being released from the location of their surgeries.

Trivia

 * Longo's name may be a reference to Tim Longo, the creative director for Halo 5: Guardians, and David Berger.