Prahladh Harsha is a Professor at the School of Technology and Computer Science at the Tata Institute of Fundamental Research (TIFR), Mumbai, India. He obtained his BTech degree in Computer Science and Engineering from IIT Madras in 1998 and his PhD in Computer Science from the Massachusetts Institute of Technology (MIT) in 2004. He has worked at Microsoft Research, TTI Chicago and has been at TIFR since 2010. 

Prahladh's research interests are in the area of theoretical computer science, with special emphasis on computational complexity theory and algebraic coding theory. He is best known for his work in the area of probabilistically checkable proofs. Prahladh Harsha is a winner of the NASI Young Scientist Award for Mathematics and the Swarnajayanti Fellowship (Govt. of India). 

Prof. Harsha has served on the editorial boards of SIAM Journal on Computing and Algorithmica. He is currently the Editor-in-Chief of the ACM Transactions on Computation Theory and a Fellow of the Indian Academy of Sciences.