[1] He played Corner back for Kerry when they won the 1997 & 2000 All-Ireland Senior Football Championships.
He won his first Munster Senior Football Championship final for Kerry in 1996 beating Cork 0-14 to 0-11.
He also won a Hogan Cup in 1992 with St. Brendan's College at corner back, scoring the last point in the final.
He won a National League Division 1 title at corner back beating Cork in the final 3-8 to 1-7 in Pairc Ui Chaoimh.
[2] Killian works as a marketing consultant specialising in sport and consumer communications.