Having worked with several hospitals, he has 15 years of relevant experience. He practices medicine at KGMU Lucknow. Apart from his association with different hospitals, he has put his skills to the test in many other ways. He has been an active member of various organisations, including Member of Neurological Society of India (NSI), Member of Neurological Surgeons Society of India (NSSI). He earned his MS from KGMU, Lucknow. Post that Dr. Sunil Kumar Singh went on to take his MBBS from MKCG Medical College, Berhampur, Orissa.