Sean Jefairjian

Sean Jefairjian is a pizza maker and marketing mastermind who has turned A Slice of New York into a must-visit destination for pizza lovers in Pennsylvania. Growing up in the Bronx, he was raised on the legendary New York-style pizza that has become his gold standard. After moving to Southwestern Pennsylvania, he saw a gap in the market and set out to bring an authentic slice of the Big Apple to the Pittsburgh suburbs. With a background in both the restaurant industry and corporate business, Jefairjian combined his culinary passion with a sharp marketing strategy. He understood that great pizza alone wouldn’t guarantee success—it needed a brand, a story, and a loyal following. Leveraging social media, viral word-of-mouth campaigns, and high-profile reviews, he transformed A Slice of New York into more than just a pizzeria; it became a movement. When pizza critic Dave Portnoy gave his shop a high rating—an 8.2—Jefairjian capitalized on the moment, turning it into a marketing win that attracted customers from across the region. Beyond his business acumen, Jefairjian remains deeply committed to his community. Each year on September 11th, he closes his doors to the public and serves free pizza to first responders, reinforcing his brand’s authenticity and heart. Through a mix of superior product quality, strategic branding, and grassroots marketing, Sean Jefairjian has turned A Slice of New York into a household name, proving that a great slice isn’t just about the ingredients—it’s about the experience.