Career
He is a 6"2" (188 m) point guard. Kęstutis Marčiulionis played National Collegiate Athletic Association collegiate basketball at the University of Delaware in the United States. 1993–1994: British Columbia Žalgiris
1995–1996: Hargrave Military Academy
1996–2000: University of Delaware
2000–2001: British Columbia Žalgiris
2001–2002: British Columbia Lietuvos Rytas
2002–2003: Idea Śląsk Wrocław
2003: British Columbia Bremerhaven
2003: British Columbia Atletas
2004: Astoria Bydgoszcz
2004–2005: Anwil Wloclawek
2005–2006: British Columbia Kaposvár
2006–2007: British Columbia Albacomp
2007–2008: Central Bank Mallorquí
2008–2009: British Columbia Kaposvár
2009-2010: British Columbia Kecskemét
2011-2012: Volukte Kaunas.