Daniel John Szymborski (born June 19, 1978 in Baltimore

Baltimore

Baltimore is the largest independent city in the United States and the largest city and cultural center of the US state of Maryland. The city is located in central Maryland along the tidal portion of the Patapsco River, an arm of the Chesapeake Bay. Baltimore is sometimes referred to as Baltimore...

, Maryland

Maryland

Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...

) is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 writer

Writer

A writer is a person who produces literature, such as novels, short stories, plays, screenplays, poetry, or other literary art. Skilled writers are able to use language to portray ideas and images....

 of sabermetrics

Sabermetrics

Sabermetrics is the specialized analysis of baseball through objective, empirical evidence, specifically baseball statistics that measure in-game activity. The term is derived from the acronym SABR, which stands for the Society for American Baseball Research...

 primarily known for his work with baseball

Baseball

Baseball is a bat-and-ball sport played between two teams of nine players each. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond...

 projections and minor league translations.

Szymborski is a member of Society for American Baseball Research

Society for American Baseball Research

The Society for American Baseball Research was established in Cooperstown, New York, in August 1971 by Bob Davids of Washington, D.C. The Society's mission is to foster the research and dissemination of the history and record of baseball, while generating interest in the game...

 (SABR) and is best known for contributions to BaseballPrimer.com, now known as Baseball Think Factory

Baseball Think Factory

Baseball Think Factory, abbreviated as BTF or BBTF, is a sabermetrically-oriented baseball web site that features the day's prominent news stories in baseball, with original content contributed by SABR members such as Dan Szymborski. The site was previously branded as Baseball Primer, and was...

, after the site was featured by TIME

Time (magazine)

Time is an American news magazine. A European edition is published from London. Time Europe covers the Middle East, Africa and, since 2003, Latin America. An Asian edition is based in Hong Kong...

in 2002 and 2003's Moneyball by Michael Lewis

Michael Lewis (author)

Michael Lewis is an American non-fiction author and financial journalist. His bestselling books include The Big Short: Inside the Doomsday Machine, Liar's Poker, The New New Thing, Moneyball: The Art of Winning an Unfair Game, The Blind Side: Evolution of a Game, Panic and Home Game: An...

. After developing his projection system, ZiPS (Szymborski Projection System) prior to the 2003 season, Szymborski became commonly quoted in print and web media as an expert in the field of baseball statistics.