HBR Article -Think Twice Before Promoting Your Best Salesperson
Good HBR article on the challenges presented when business promote their best sales people to sales manager. The biggest problems are (1) realizing that it is a different skill set that is needed and to make sure they possess those skills to coach, develop, and manage people not the sales cycle and (2) the pitfalls of asking such a person to keep on selling and manage, rarely delivers the results intended.