The Greater Louisville Sigma Chi Alumni Chapter keeps Brothers actively involved in Fraternity affairs and engaged in the lifelong pursuit of the ideals of The Sigma Chi Fraternity. The alumni chapter provides mentorship, inspiration and support for nearby undergraduate chapters, and provides programming to facilitate the reciprocal bonds of brotherhood among undergraduates and nearly 2,500 Sigma Chi alumni living in the Greater Louisville, Kentucky area.
 
The Commonwealth of Kentucky hosts six Sigma Chi Fraternity chapters:
Epsilon Tau - Murray State University
Eta Alpha - Eastern Kentucky University
Iota Lambda - University of Louisville
Lambda Lambda - University of Kentucky
Zeta Mu - Western Kentucky University
Zeta Zeta - Centre College


Former Alumni Chapter Presidents:  Jack Wheat (1984-1985), James Epifano (1985-1986), David Nicholson (1986-1987), Jack Thompson (1987-1988), Doug Temple (1988-1989), Jack Wheat (1990), Louis Waterman (1991), 
David Nicholson (1992), Jim Kessinger (1993), Todd Allen (1994), Jason Walters (1995) Fred Silhanek (1996-1998), 
​Brad Bollmann (1999-2001), John Fischer (2002-2005), Kirt Jacobs (2005-2014),
Rudy Spencer (2014-2016), Mike Sawyer (2016-2021), MIchael Ritchey (2021-Present)