Greg Pfahles, B.S.N., R.N. has 28 years’ experience in the Critical Care and Cardiac Rehabilitation settings and is a retired Lt. Col., Chief Nurse, in the Air Force Reserves. Currently he serves as the Regency/Windsor Rehab Cardiac Recovery Program manager, and assists nursing and therapists in multiple projects regarding training. He is an active member of the American Association of Critical Care Nurses (AACN) and Preventive Cardiovascular Nurses Association (PCNA). He has been an active member of the American Heart Association (AHA) and has participated on a variety of professional task forces for professional seminars. His certifications include Basic Life Support (BLS), Advanced Cardiac Life Support (ACLS) and Trauma Nursing Corps Course (TNCC). His clinical specialties include cardiac, pulmonary, renal and neurological conditions.