his position was with the copenhagen division of the international bell telephone company and, not unexpectedly for someone of his outstanding abilities, he soon impressed both for these abilities and for the hard work he was prepared to put in for the company.

This is all lower case. Can you fix that?
His position was with the Copenhagen Division of the International Bell Telephone Company and, not unexpectedly for someone of his outstanding abilities, he soon impressed both for these abilities and for the hard work he was prepared to put in for the company.