| Nationality: | American |
| Fields: | Computer science |
| Workplaces: | CUNY Graduate Center Lehman College |
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Katherine St. John is a professor at the CUNY Graduate Center Department of Computer Science and at Lehman College Department of Mathematics and Computer Science. She is a faculty member at the New York Consortium in Evolutionary Primatology. In 2007 she was selected to be an AWM/MAA Falconer Lecturerwhere she gave a presentation on "Comparing Evolutionary Trees". She is also a former American Mathematical Society Council member at large.[1]