Certification (Train-the-Trainer program). Additional Requirements. STNA Train-the-Trainer Primary Instructor (PI) ODH Certification Preferred, or willingness and ability to complete the TTT program immediately upon hire. Licensure, absent any pending disciplinary actions. RN must have minimum of two years’ experience (3200 hours) caring for elderly or chronically ill of any age through employment in long-term care facility, geriatrics department...