Michael Dowling hails Northwell Health's high rankings in a new report Irish man Michael Dowling is the CEO of Northwell Health, a non-profit with 70,000 employees that has been at the center of New York's fight against the COVID-19 pandemic. Facebook Addthis Four American hospitals headed by Irish CEO Michael Dowling have been named among the top 50 hospitals the country in US News & World Reportâs 2021-22 Best Hospital rankings. Dowling, a native of Co Limerick, is the CEO of Northwell Health, a non-profit with 70,000 employees that has been at the center of New York's fight against the COVID-19 pandemic. Northwell Health is the largest healthcare provider in New York and played a leading role during the pandemic, from providing testing to delivering vaccines and caring for the sick.Â