… says Mombrun, an instructor in the School of Nursing . “It comes naturally to me. When I'm in the classroom and looking at the students, I just go back to that … she won its Education/Teaching award. “Winning the award definitely affirms for me that I did make the right decision,” said Mombrun, who initially was surprised at … Nursing Awards gala. MGH Institute Instructor Cassandra Mombrun (l) with Michelle Y. Williams (center), Associate Chief Nursing Officer Research and Health Equity, …