Turns out that she is a “dissertator” at the University of Wisconsin.    From Wordnik.com.  [Is this funny? « Dating Jesus] Reference

Caldera, 26, is a doctoral dissertator in evolutionary biology at UW-Madison.    From Wordnik.com. Reference

Muranyi will play with pianist Melissa Martiros, a dissertator at the University of Wisconsin-Madison.    From Wordnik.com.  [The Fond du Lac Reporter Latest Headlines] Reference

He writes under the assumed name of Michael Gaspar; but whether this learned dissertator be grave or jocular, more than one critic has not been able to resolve me.    From Wordnik.com.  [Curiosities of Literature, Vol. 1 (of 3)] Reference

Just don't mock the poor kid in the NYT like Dr. Taylor did the Duns Scotus citation use dissertator.    From Wordnik.com.  [Ferule & Fescue] Reference