Eduardo Daniel Sontag (born April 16, 1951, in Buenos Aires, Argentina) is an Argentine-American mathematician, and distinguished university professor at Northeastern University, who works in the fields control theory, dynamical systems, systems molecular biology, cancer and immunology, theoretical computer science, neural networks, and computational biology.

[6] Eduardo Sontag has authored over five hundred research papers and monographs and book chapters in the above areas with about 60,000 citations and an h-index of 104.

His daughter Laura Kleiman[12] is founder and CEO at Reboot Rx,[13] and his son David Sontag[14] leads the MIT Clinical Machine Learning Group.

Many of the subsequent results were proved in collaboration with his student Yuan Wang and with David Angeli.

Sontag is co-author of several hundred research papers,[23] as well as three books: Research.com top 100 US electrical engineers.