Array enter (Ctrl+Shift+Enter) in A6 in either MEC or Big Elk tab and copy down:
Formula:
=IFERROR(INDEX(OFFSET('Test EMPL Tracker'!$C$3,,MATCH($A$1,'Test EMPL Tracker'!$D$2:$G$2,0),1000,1),MATCH(1,(COUNTIF(A$5:A5,OFFSET('Test EMPL Tracker'!$C$3,,MATCH($A$1,'Test EMPL Tracker'!$D$2:$G$2,0),1000,1))=0)*(OFFSET('Test EMPL Tracker'!$C$3,,MATCH($A$1,'Test EMPL Tracker'!$D$2:$G$2,0),1000,1)<>""),0)),"")
The value 1000 in formula refers to estimated number of rows in your data. Adjust it accordingly.
Good luck!
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