Dr. U.S. Singh is the Senior Scientist (II) in Division of Plant Breeding, Genetics and Biotechnology and also South Asia Regional Coordinator of the Project `Stress Tolerant Rice for Africa and South Asia (STRASA)’ funded by Bill & Melinda Gates Foundation.
He is a plant pathologist and biotechnologist. He is also widely recognized as an authority on eco-friendly management of plant diseases. He has authored or co-authored over 150 scientific papers and ten books in 17 volumes published by reputed publishers. Out of these four are on rice.  He is a Fellow of the National Academy of Agricultural Sciences (India) and elected President  of the Indian Phytopathological Society for the year 2012.
He was born in a farming family and raised in a village in India. He pursued his graduate study from the University of Delhi, and his post graduate and PhD from G.B. Pant University of Agriculture & Technology, Pantnagar, India. He began his career at the G.B. Pant University of Agriculture and Technology, Pantnagar, India where he served for 24 years in different capacities including 8 years as full professor. His responsibilities involved teaching, research and extension in field of plant pathology and molecular biology and biotechnology. His major research areas included fungicides, plant-pathogen interaction, biological control, and scented rices. 
Recipient of Fellow, National Academy of Agricultural Sciences, New Delhi, India (2006); Sipani Krishi Anusandhan Award, Asian Agri-History Foundation, Hyderabad (2005); Uttaranchal Ratan (Jewel of Uttaranchal), All India Intellectuals Conference (2005); Special Recognition, G.B. Pant University of Agriculture and Technology, Pantnagar, India (2004); Pesticide India Award, Indian Society of Mycology & Plant Pathology, seven times (1982, 1985, 1986, 1987, 1999, 2000, 2004); Prof. M.J. Narasimhan Academic Merit Award’, Indian Phytopathological Society (1985); Plaque of Appreciation, Tarai Organic Farmers’ Association, Udham Singh Nagar, Uttarakhand, India; Plaque of Appreciation, Krishak Manch (Farmers’ Forum), Kashipur, Uttarakhand, India (2005).