"S Davis" wrote in message
oups.com...
Well, create a list of salesperson's from Z1 to Z10. Then, assuming
that the salesperson's are contained within the data in column B1:B10,
use this formula:

=SUMPRODUCT((MONTH($E$8:$E$75)=1)*($e$8:$e$75<"") *($b$1:$b$10=Z1))

Drag that formula down from AA1 - AA10 (so that it refers to the name's
of each salesperson). Ensure you press ctrl-shift-enter to enter the
formula the first time of course.

This is not an array formula, so there is no need for Ctrl-Shift-Enter