Karthik Subbian

Karthik Subbian is a principal scientist and senior manager at Amazon with more than 15 years of industry experience. He leads a team of scientists and engineers to build the next generation shopping decision engine. He was a research scientist at Facebook, before coming to Amazon, where he had explored information propagation and user modeling problems using the social network structure and its interactions. Earlier to that, he was working at IBM T.J. Watson research center in the Business Analytics and Mathematical Sciences division. His areas of expertise include machine learning, information retrieval, and large-scale network analysis. More specifically, semi-supervised and supervised learning in networks, personalization and recommendation, information diffusion, entity linking and disambiguation, representation learning, and structured learning. He holds a masters degree from the Indian Institute of Science (IISc) and a Ph.D. from the University of Minnesota, both in computer science. Karthik has won numerous prestigious awards, including the IBM Ph.D. fellowship, best paper award at Siam Data Mining (SDM) conference 2013 and Informs Edelman laureate award 2013.


  • Doctor of Philosophy, Department of Computer Science and Engineering, University of Minnesota.
  • Master of Science, Department of Computer Science and Automation, Indian Institute of Science, Bangalore, India.
  • Bachelor of Technology, Department of Electronics and Communication Engineering, Pondicherry Engineering College, India.


  • Best Paper Award SDM 2013
  • INFORMS Edelman Laureate 2013
  • IBM Fourth Plateau Invention Award
  • IBM Master Inventor Nominee
  • IBM PhD Fellowship Award
  • Best in Show for IBM Techconnect
  • IBM Chairman Environmental Award
  • IBM Special Invention Disclosure Award
  • Five time IBM Bravo award winner for various technical contributions

Professional Organizations:

Life Lessons from Narayan Murthy, chief mentor and chairman of the board, Infosys Technologies, delivered a pre-commencement lecture at the New York University (Stern School of Business) on May 9.

Treasure of knowledge

Edsger. W. Dijkstra's Archive

My favorite quote:

“The scientific man does not aim at an immediate result. He does not expect that his advanced ideas will be readily taken up. His work is like that of a planter -- for the future." - Nikola Tesla.

My favorite scientist Richard Feynman

If you are a fan of Maestro Illayaraja, you will like this radio station.

My favorite video [original in Tamil] [English translation]

My Google Scholar Page

My DBLP Page


  • Email address: mailto keyword followed by first two letters of last name followed by first two letters of first name at gmail dot com