Dr. Sullivan is a board-certified emergency physician and a fellow in the American College of Emergency Medicine.  He has been practicing emergency medicine for 25 years.  Dr. Sullivan is the president of The Sullivan Group, an emergency medicine risk management company dedicated to patient safety and medical error and risk reduction.  He is also the president of Midwest Emergency Associates, employing over 150 emergency physicians, and providing emergency services in 10 emergency facilities in Illinois, Wisconsin, and Missouri.

Dr. Sullivan is a past president of the Illinois College of Emergency Physicians, and is an associate professor of emergency medicine in the Cook County emergency medicine program.  He is the co-editor of the ACEP risk management textbook and has authored numerous books and articles on the subject of risk management and patient safety in emergency medicine.  He is a regular speaker on the subject of risk management, patient safety, and EMTALA for the American College of Emergency Physicians and the American Society of Healthcare Risk Managers.

Dr. Sullivan obtained a law degree in 1989 and has used his dual background to study patient safety issues and create programs, services, and solutions to reduce medical errors and risk in the practice of medicine.

Fred Callahan, MD

Dr. Callahan is a pioneer in the fields of stroke treatment and integrated vascular care.  Following postgraduate training in internal medicine at Vanderbilt University School of Medicine, Dr. Callahan served a residency in neurology at Massachusetts General Hospital and a fellowship in neurology at Harvard Medical School.  He currently has a private practice in neurology in Nashville, TN and has served on the clinical faculty at Vanderbilt.  Past president of the Nashville chapter of the American Heart Association, Dr. Callahan has written many medical publications, holds three patents, and has authored The Next Medical Revolution: Angiology.

Dr. Callahan has certifications from the American Board of Internal Medicine; and the American Society of Neuroimaging (neurosonology-physics and cerebrovascular disease).  Publishing under the name A.S.Callahan III, Dr. Callahan has an extensive list of writings related to neurological topics dating from 1975 to the present.  He has participated in PROACT II, a phase 3 clinical trial of intra-arterial thrombolysis,  and is a member of the steering committee for SPARCL (Stroke Prevention by Aggressive Reduction in Cholesterol Levels), a worldwide trial of atorvastatin for secondary stroke prevention in patients with no history of coronary heart disease.

Dr. Callahan has assisted many hospitals and physicians in the implementation of acute stroke treatment teams.  He joined The Sullivan Group in 2005 to continue the effort of bringing acute stroke treatment to every community in America. 

Dr. Nazir is a board-certified emergency physician and a fellow in the American College of Emergency Medicine.  He received his training at Cook County Hospital in Chicago and has maintained an academic position there since 1990.  An emergency physician for 25 years, Dr. Nazir has served as the medical director of the observation unit and is presently the chairman of the emergency department of Ingalls Hospital in Harvey, Illinois.  He also serves as chair of the patient safety committee and PI sub-committee, chair of the stroke committee, and co-chair of the credentials committee at the hospital.

Dr. Nazir is the vice-president of Midwest Emergency Associates, an emergency services medical group. He is MEA’s lead in the management of 24-hour urgent care centers and is involved in the educational development of MEA’s allied health professionals and urgent care physicians.

Dr. Nazir is the past president of the Illinois College of Emergency Physicians.  Previous roles at ICEP have included secretary-treasurer and chair of the education committee. He has been on the board of directors of ICEP and has been a councilor for the college since 1996. An expert on observation medicine and cost-effective practice of emergency medicine, Dr. Nazir has lectured nationally.

Alida Zamboni, RN, MS

Ms. Zamboni has 23 years of nursing experience with over 21 in emergency services.  With a keen interest in education, she was responsible for managing the education program and business administration of the prominent EMS system in DuPage County, Illinois.  The EMSS included 31 provider agencies and 10 associate hospitals.  She went on to the position of emergency services and trauma director at Provena Mercy Medical Center in Aurora, Illinois.  She oversaw a complete renovation/rebuild of the emergency department, two successful JCAHO accreditation surveys, EDAP (Emergency Department Approved for Pediatrics - Illinois) certification, and the resulting volume increase from 28,000 to 42,000 visits per year.  In the fall of 2004, she helped coordinate efforts that resulted in achieving stroke center status within a 90-day time frame.  Most recently, she was initiating plans to add a clinical decision unit and achieve accreditation as a chest pain center.

Recognized for her organizational ability and enthusiasm for a worthwhile cause, Ms. Zamboni was asked to be a co-champion in a very successful patient satisfaction project at PMMC.  Additionally, she directed the clinical education team for the hospital.  She has authored articles for pre-hospital magazines and textbooks and has lectured nationally and internationally on emergency and pre-hospital education topics.  She joined The Sullivan Group in 2005 as the vice-president of nursing services and education.