David Koepp and John Kamps made 2 films together, averaging 6.60, 0.45 above their career marks. The best is Ghost Town at 6.7.

David Koepp averages 6.17, John Kamps averages 6.14. Apart that suggests 6.15; together they average 6.60, a lift of +0.45.

Lift is the average of their films together minus the mean of their two career averages.