An alumnus of St Xavier’s College, Delhi University and National Defence College, he has commanded three premier police organisations – Central Industrial Security Force (CISF), National Disaster Response Force (NDRF) and Uttar Pradesh Police. He is credited for introducing police commissionerate system in UP. Honoured with President’s Police Medal for Distinguished Services, President’s Medal for Gallantry and Indian Achievers Award, OP Singh is also credited with taking some innovative strategies in police organizations in the realm of aviation security, disaster response and crime management. He also serves as an Independent Director and Advisor to various organisations. He is Independent External Monitor in Coal India Limited and Department of Posts. At India Child Protection Fund, New Delhi, he contributes in the field of combatting online child sexual abuse. His recent memoir Crime, Grime & Gumption, published by Penguin India, has added another dimension to his accomplished career.