Born in Bapatla, Guntur, India, on 31 August 1965. Educated at Ravi College, Guntur, 1972-79; J.K.C. College, Guntur, 1979-81; Agricultural College, Bapatla, Andhra Pradesh Agricultural University, 1981-85; Indian Agricultural Research Institute (IARI), New Delhi, 1985-91; B.Sc. 1985; M.Sc. 1987; Ph.D. 1991.
Director, CGIAR Research Program MAIZE, 2015 to date and Director, Global Maize Program, CIMMYT (International Maize and Wheat Improvement Center), Nairobi, Kenya, 2010 to date.
Scientist, 1991-1996; Scientist (Senior Scale) 1996-2000; Senior Scientist, 2000-08; ICAR National Fellow, 2005-10, and Principal Scientist, 2008-10, Division of Genetics, IARI, New Delhi.
Awards/Honours: FAO Fellowship at University of California, Berkeley, USA, 1998; ISCA Dr. B.C. Deb Memorial Award, 2001; ISGPB Dr. Joginder Singh Memorial Award, 2001-02; IARI Best Teacher Award, 2004; ICAR National Fellowship, 2005; NAAS Associateship, 2005; IARI Dr. B.P. Pal Memorial Award, 2007.
Fellow: Indian Society of Genetics and Plant Breeding
Research Areas: Maize genetics, breeding, and seed systems in Africa, Asia and Latin America