Robert Quinlan Costas (born March 22, 1952) is an American sportscaster, on the air for NBC Sports television since the early 1980s. He was the prime-time host of 12 Olympic Games, from 1992 until 2016. Costas currently does play-by-play for MLB Network and hosts an interview show called Studio 42 with Bob Costas.
Costas was born in Queens, New York City, and grew up in Commack, New York. He is the son of Jayne (Quinlan), of Irish descent, and John George Costas, an electrical engineer of Greek descent. His father's ancestry can be traced back to the island of Kalymnos in the Aegean Sea in Greece. He graduated from Commack High School South and attended Syracuse University in Syracuse, New York.
In 1973, Costas began his professional career at WSYR TV and radio in Syracuse, while still completing his communications degree at the S.I. Newhouse School of Public Communications. His sportscasting career began while attending Syracuse University, serving as an announcer for the Syracuse Blazers minor-league hockey team playing in the Eastern Hockey League and North American Hockey League.