Davis, Hammons, Johnson and Simpson comprise top-20 recruiting haul.
Greg Gary is in his first season an assistant coach at Purdue, having joined the staff in May 2011.
The Anderson, Ind., native is an 18-year veteran of the college coaching ranks, including two seasons as a head coach. He has made seven postseason appearances as a college assistant, reaching the NCAA Tournament twice.
Gary came to Purdue from two stints at Duquesne, where he spent the 2007-08 and 2010-11 seasons as an assistant coach, sandwiched around two seasons as head coach at Centenary. Gary resigned from his post at Centenary after the school announced in July 2009 that it would seek reclassification as an NCAA Division III member.
A program that had won a total of 10 Summit League games in the four years prior to Gary's arrival, Centenary posted nine league wins in his two seasons at the helm.
Prior to arriving at Duquesne, Gary spent three seasons (2004-05 through 2006-07) as an assistant coach at South Florida, helping the Bulls transition from Conference USA to the BIG EAST. While in Tampa, Gary worked with Bulls' big man Solomon Jones, who was drafted by the Atlanta Hawks in 2006 and recently completed his fifth season in the NBA.
Gary served as an assistant coach under Perry Clark at Miami from 2000-04, helping lead the Hurricanes to the NIT in 2001 and the NCAA Tournament in 2002. During his tenure at Miami, Gary aided in the development of current NBA players James Jones and John Salmons, as well as former NBA player Robert Hite. He also served as the `Canes academic coordinator.
Gary spent six of his first seven years in the coaching industry at Tulane, helping guide his alma mater the NCAA Tournament in 1995 and the NIT on four occasions. In his second stint with the Green Wave, he also served as the team's recruiting coordinator and oversaw the players' academic responsibilities.
At Tulane, Gary coached three players - Jerald Honeycutt, Linton Johnson and Chris Owens - who spent time on NBA rosters.
Gary served as an assistant coach at McNeese State for the 2007-08 campaign.
After graduating from Anderson Highland High School in 1988 and spending a year at Aquinas College in Nashville, Tenn., Gary transferred to Tulane. He was a vital component in the revitalization of a program that was dropped in 1985 and reinstated in 1988, leading the Green Wave to the 1992 NCAA Tournament as a senior.
Despite playing only three seasons in New Orleans, Gary finished his career as Tulane's all-time leader in assists.
Gary earned a B.S. in sport management from Tulane in 1992. He and his wife, Claudia, have four daughters, Gabrielle, Logan, Alexandra and Brooklyn.