Ryan Byrne has been working as a simulation specialist at CSTAR since 2008. He grew up in Buffalo Grove, IL. He graduated from the University of Notre Dame in 2007. He will be attending medical school in the fall. He has developed expertise in scenario programming. His hobbies include golf (9 handicap).

Andy Arreguin BA, NREMT-B has been working as a simulation specialist at CSTAR since 2005. He grew up in Chicago, IL. He curently works for the Evanston Fire Department.

Michael del Castillo has been working as a simulation specialist at CSTAR since 2008. He grew up in Wilmette, IL. He graduated from Marquette University in 2007.  He enjoys music and Garage Band.