Prof. Amerika Singh was born in a farmer family on April 01, 1945 in a small village of Mau, district Azamgarh, Uttar Pradesh (India). He did his high school and intermediate in 1958 and 1960, B.Sc. (Ag.) in 1962, M.Sc. (Ag) Plant Pathology in 1964 from Agra University and Ph.D. (Plant Pathology) in 1968 from North Dakota State University, USA under Dr. H.H. Flor known for his gene for gene hypothesis. He was awarded several medals of distinction. 

He worked at Govt. Agriculture College, Kanpur and G.B. Pant University of Agriculture and Technology, Pantnagar as Pool Officer (1969-70), later as Asstt. Prof. (1971) and rose to Assoc. Prof. (1974) and Professor (1984) Head, Department of Plant Pathology (1990-93 & 1999). He also worked as Chief Personnel Officer (1992-93); Coordinator, Wheat Research Programme and Director, Centre of Advanced Studies in Plant Pathology (1990-2000) at the University. Later joined as Director, National Centre for Integrated Pest Management (NCIPM), New Delhi from February, 2000 and continued till his superannuation in March 2007. 

Prof. Amerika Singh guided 10 Ph.D. and 12 M.Sc. (Ag.) students and published 115 research papers, articles, review, bulletins, books and book chapters. His recent book "Validated IPM Technologies for Selected Crops (2004)" and "Integrated Pest Management: Principles & Applications Vol. 1 and Vol. II (2005)" are landmark in IPM Technology. 

His contributions in the field of Plant Pathology education, research and development and promotion of IPM won him many prestigious awards including ICAR Award (Team Research) for outstanding research contribution in the field of pest management. He was honoured by North Dakota State University Chapter of the Sigma XI for his Ph.D. research; by G.B. Pant University of Agriculture & Technology, Pantnagar in 1984 for research in wheat and contributions in release of wheat variety UP 2121. He was nominated as a member of ORT to review barley & wheat research in the country (1987-93); A.B.I.; USA for A.B.I. Gold Record, Marquis, USA for "Marquis Who is Who" in the world (1996). He acted as Member Secretary, NATP's IPM Working Group and X plan working sub-group on plant protection as well as members of the following committees: Scientific Panel of Crop Science Division, ICAR; Screening Committee on Plant Protection, Crop Science Division, Central Sub-committee on Crop Standards, Notification and release of varieties of agricultural crops, crops science, Research Advisory Committee of Project Directorate of Biological Control, Bangalore and Central Institute for Cotton Research, Nagpur and Management Committee of Directorate of Wheat Research, Karnal. 

He was an active member of many professional societies: Life member of Indian Phytopathological Society (IPS) and Indian Society of Mycology and Plant Pathology (ISMPP), Zonal Councillor (1980) and Zonal President (1991), President (1997) ISMPP, President (2005) Society of Plant Protection Sciences and President (2007) IPS. Recently he was bestowed with ICAR Award for "Outstanding Team Research in 2004" as a Team Leader. He was also associated with many research projects and worked as coordinator/leader in All India Coordinated Wheat Improvement Programme (till 1999), Wheat Pathology (till 1999), Karnal Bunt (till 1999), IPM in Rice Wheat Cropping System (till 1999) at Pantnagar and Validation and Promotion of IPM Technology in selected crops in different agro-ecological regions (since 2000), New Delhi. 

He visited many scientific institutions in USA (1964-69), USSR (1975), Mexico (1988), Nepal (1997,1999), Switzerland (1988), Italy (1998), Malaysia, Mozambique and Indonesia (1988, 1997) to work for varying periods as Visiting Scientist, Expert, FAO Consultant and invited Speaker or a Resource Person.