Prof A K Singh is the founder and Vice Chancellor of Atal Bihari Vajpayee Medical University, Lucknow of UP. He has been Director of Dr. RML Institute of Medical Sciences, Lucknow and Secretary of UP State Medical Faculty. Earlier, he was head of the Department of Plastic Surgery and Dean Examinations in ĶGMU, Lucknow. He has teaching, training and research experience of 40 years. He is President of AIIMS, Raebareli, Governing Body member of AIIMS, Patna and Executive Council of King George Medical University, Lucknow, Dr. RML Institute of Medical Sciences, Lucknow and Government Institute of Medical Science, Greater Noida.

He has been President of the Association of Plastic Surgeons of India and the Burns Association of India. He was the Project Director of Smile Train, an organization providing comprehensive treatment for patients having birth defects in the lip and Palate.

He established state of art burns unit in ĶGMU. He has been the invited leprosy rehabilitation specialist surgeon for the Govt. of Gujarat, Uttarakhand and UP.

He has to his credit the first successful reimplantation of a severed hand, starting microsurgery and Craniofacial Surgery in and around Uttar Pradesh.