Dr Sistla Ramakrishna was born on 30th August 1965 in Tenali, Andhra Pradesh, India. He did Bachelors and Masters Degrees in Pharmaceutical Sciences from Andhra University, Visakhapatnam, India. After having 2 years industrial experience, he did his doctoral research at Pharmacology Division, Indian Institute of Chemical Technology, Hyderabad, India and was awarded Ph.D degree in Chemical Technology from Osmania University, Hyderabad, India. He has been working as Scientist from 2001 and currently he is holding the position of Senior Principal Scientist in Applied Biology Department.He is working in the areas of in vitro and in vivo pharmacology screening, use of various animal models for pharmacological screening, novel drug delivery systems for targeting drugs to specific site and regulatory toxicology such as acute, sub chronic and chronic toxicity testing of drugs.He is a recognized guide in various universities. He guided 10 research scholars for their PhD program and currently 6 research scholars are pursuing their Ph.D degrees in the area of Pharmaceutical Sciences.