Mary Ellen Wiltrout currently develops online courses as the MITx curriculum development specialist for the department of biology at the Massachusetts Institute of Technology. She previously was a preceptor in molecular and cellular biology at Harvard University. She received her PhD from the Massachusetts Institute of Technology in 2009. Her thesis research focused on DNA repair and mutagenesis, specifically DNA damage tolerance involving Rev1 and translesion synthesis. She received her undergraduate degree from Carnegie Mellon University in her native Pennsylvania.