In my experience, high-performing teams arise when every member has expertise that is acknowledged and respected by the rest of the group. As soon as you add sk

In my experience, high-performing teams arise when every member has expertise that is acknowledged and respected by the rest of the group. As soon as you add skill+experience redundancy, performance will be hindered by jockeying to "be better than the others." If there is little growth opportunity in this skill area, it will have a much greater effect on performance as internal politics take over.