Mark Grenier is an actor, director, and teacher in New York City. Mark has studied improvisation extensively with Armando Diaz. He has also studied with Mick Napier at the Annoyance Theater in Chicago and with many other instructors from Improv Olympic, Second City, and The Upright Citizens Brigade. Mark has studied acting at The Atlantic Theater Company, Michael Howard Studios, and The Eric Morris Workshop. He created the long-running improv show Improdome at The Peoples Improv Theater and co-created Magnet Theater's Casual Sketch. Mark has taught improv at Fairfield University, The Fulbright Association, The Gainesville Improv Festival, Marymount Manhattan College, The Peoples Improv Theater, The Philadelphia Improv Festival, Polaris North Theater Company, The Providence Improv Fest, and P.S. 6 Elementary School in Manhattan. He is currently an instructor and the Training Center Director at Magnet Theater, founded by Armando Diaz in 2005.