I'm taking that expertness and creating The Michael Scott Paper Company.
From the en.wikipedia.org
A tolerable expertness in military movements is a business that requires time and practice.
From the economist.com
Certainly at the moment there is no quality control at all over the expertness of the reviewer.
From the scienceblogs.com
They feel that it is challenged not merely by men of whose expertness they are unconvinced, but for ends which have never been tried.
From the theatlantic.com
Sokolsky's friends have a higher regard for his knowledge of philosophy, history and art than for his expertness in politics.
From the time.com
Confident as ever with the visuals, Scott has added an expertness at moving plot along and a facility with actors that is both welcome and new.
From the latimes.com
The pursuit of other targets was always complicated by the expertness with which ODESSA-the Nazi escape apparatus set up and financed by the SS-slipped fugitives out of Europe after the war.
From the time.com
More examples
Skillfulness by virtue of possessing special knowledge