=IFERROR(INDEX(COLLECT({Master Unit/Manager List WI Range 1}, {Master Unit/Manager List WI Range 2}, [Site]@row, {Master Unit/Manager List WI Range 3}, [Department Name]@row),[{Unit/Manager List WI Range 4}))
My goal with this formula is: if SITE and DEPARTMENT Name on Sheet1 matches SITE NAME and DEPARTMENT NAME on sheet 2 then pull the Manager Email from sheet 2 into Manager in sheet 1
AW Placement Request is sheet 1 and Unit/Manger List WI is sheet 2