Founder and CEO, MICP, EMT-P, NR-P

Sim is a national registered paramedic who started his EMS career in March 1993. Since 2007, he has worked per diem as a 9-1-1 paramedic for the largest provider of Advanced Life Support in NJ. In 2012, he earned the Paramedic of the Year Award from the State of New Jersey. He is also a member of the Lakewood Township Water Rescue Team.    

Sim holds a Bachelors Degree in Talmudic Law and volunteers with numerous organizations, including Howell Township First Aid and Rescue, Hatzolah EMS in New York and New Jersey, Chai Lifeline, Camp Simcha for children with cancer, Camp Simcha Special for children with disabilities and special needs, ZAKA International Rescue and Recovery and  Misameach Spreading Smiles. He is a board member of Minyan Shelanu peer support center for teens and young adults and Magenu, an organization that works to protect children by promoting education in personal safety.    

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Dr. Mark Merlin
Chief Medical Officer

Dr. Mark Merlin is trained in Internal Medicine and Emergency Medicine. He is the Vice-Chairman and EMS Fellowship Director at RWJBarnbas Health/Newark Beth Israel Medical Center and has been active with the American Heart Association/American Stroke Association as a member of the Board of Directors and Executive Committee for Mission Lifeline. He is the Chief Medical Officer for MONOC, New Jersey’s largest EMS System, has published over 100 papers and abstracts on various emergency topics and directs the statewide EMS physician response program.

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Robert van Amerongen, MD

Born and raised in New York City, Dr. van Amerongen (aka "Dr. Van") graduated from Yeshiva University cum laude and attended the Albert Einstein College of Medicine. He completed his Pediatric Residency at North Shore University Hospital (Cornell) and then went on to complete a fellowship program at Bellevue Hospital and NYU Medical Center, where he became one of the first board certified Pediatric Emergency Medicine physicians in the New York area.

Dr. Van has published several papers on pediatric care and started a new Pediatric Emergency Department at Newark Beth Israel Medical Center in Newark, NJ. He was also recruited to start the first Pediatric Emergency Department at NY Methodist Hospital and during his almost 20-year career there, Dr. Van developed many programs to improve children's emergency care, founded a PEM fellowship program and was pediatric director of the hospital's paramedic program.

Alex Feldman, DO

Born near Rutgers University-New Jersey Medical School — where he is currently an assistant professor of pediatrics — Dr. Feldman is a flight physician and board certified in pediatrics and neonatology. He attended college at Yeshiva University, graduating with honors in 2005, and completed medical school at New York College of Osteopathic Medicine graduating with honors in 2009. Dr. Feldman completed Pediatrics residency at UMDNJ-NJMS in 2012 and Neonatal–Perinatal Medicine Fellowship at New York Medical College in 2015, serving as chief fellow from 2014-2015. Dr. Feldman’s research interests include the transition from fetal to neonatal life in premature infants and the impact of genetics on various neonatal outcomes. He has presented extensively on the association of genetic variation and neonatal morbidities, being awarded the Eastern Society of Pediatric Research Meritorious Research Award in 2015.  (Bio courtesy of Rutgers University-New Jersey Medical School)

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Sarah Scharf, Director of Special Projects, Business Development and Strategic Partnerships

Sarah is a high-energy leader in healthcare administration who has been involved in several healthcare IT start-ups and is often referred to as the ultimate “go-to person” to get anything accomplished. She has been an administrator in telehealth and air medical transportation, as well as in population health research. Sarah received a BA and MPH from Rutgers University and has been a highly regarded administrator, managing departments with physicians and scientific investigators.


At ParaFlight EMS, we work with an extensive network of vetted operators and partners from across the country and around the world — whatever it takes to get you what you need and where you need to go at the most affordable rate.