RBR Maintenance has hired Chris Grinnell as lead technician. According to the company, Grinnell has developed extensive technical knowledge through his previous positions as maintenance/lead mechanic and AOG technician. Specializing in Cessna and Embraer aircraft, Grinnell has been working on the Phenom 100 since first delivery. In addition, he has successfully completed FJ44 schooling. In his new position he will be responsible for overseeing maintenance projects and providing technical support to RBR customers.