David Bartos Merkow (born May 5, 1985) is a long-hitting American golfer.He won the World Junior Masters tournament boys 14–15 division as a youth in 2000, and the American Junior Golf Association's SLI Junior Classic boys division two years later.
In June 2005 he and a former high school teammate won the Wisconsin State Golf Association Best-Ball title.
For college, he attended Northwestern University.
There, he won the individual title at the Second Annual Big Ten/Pac-10 Challenge in 2005, was named Big Ten Conference Player of the Year in 2006, and finished his college career 6th in Northwestern's all-time stroke average, at 74.27.In 2008, playing in Argentina in the 11th Pan American Maccabi Games, he won two gold medals; both in the individual competition, and with the U.S.