- Source of Wealth: Business and Company
- Birth Place: Brooklyn, New York City, New York, United States
- Marital Status: Married to Carol Rahr
- Full Name: Stewart Rahr
- Nationality: American
- Date of Birth: 1946
- Ethnicity: Jewish
- Occupation: Businessman
- Education: New York University and New York University Law School
- Children: two children
Stewart Rahr is an American businessman who has an estimated net worth of $1.6 billion as of March 2013. According to Forbes.com, he is #931 in the World Billionaires List, #960 in 2012, #309 in the United States, and #298 in the Forbes 400 List. He earned his B.A. from New York University and later attended New York University Law School but he dropped out in order to take over the family business with $50,000 in sales.
Often, Rahr refers to himself as “Stewie Rah Rah, the No. 1 King of All Fun.” He is the owner of the largest privately-owned pharmaceutical distributor in the world. It has served over 4000 pharmacies in the Northeastern United States with revenue of over $5 billion. In November 2010, he sold the company to Cardinal Health for $1.3 billion. With $100 million from the sales, he established the Rahr Foundation which focused on supporting medical research and education.
Stewart Rahr is the largest individual Make-A-Wish Foundation Metro New York chapter donor. He donated $10 million in 2003 to the foundation, the largest contribution in history. He donated $64,000 to the Israel Cancer Research Fund in 2012, the single largest source of private funds for cancer research in Israel. In the same year, he also donated $100,000 to the Salvation Army for Hurricane Sandy relief and another $50,000 to help repair the Russian American Jewish Experience (RAJE) in Brighton Beach which was damaged also during Hurricane Sandy.
Stewie Rah Rah considers himself as a close friend of Donald Trump and he helped him during his short-lived campaign during the 2012 Republican presidential nomination. He also lines the wall of his Trump Tower office with photos of himself posing with celebrities and politicos.