Costis Maglaras (born December 18, 1969) is a Greek engineer and academic administrator.

His doctoral dissertation work was awarded first place in the INFORMS George Nicholson Student Paper Competition in 1999.

[6][7] Later on he worked on aspects of congestion pricing in information services, such as bandwidth provision and service differentiation, for which he won the INFORMS Section Prize in 2008,[8] and on algorithmic pricing, such as the one encountered in retailing, airlines and hotels.

He was Chair of the Decision Risk and Operations division from 2015-2018, member of the executive committee of Columbia University’s Data Science Institute, Director of the Business Schools PhD program from 2011 to 2017.

[11] In 2007, Maglaras helped found Mismi Inc., a financial technology firm based in New York City focusing on quantitative trading in the equities market.