Experts aren’t fond of the idea: two co-managing partners or a committee of equals running a law firm. But the leaders of some of New York’s midsize firms swear by it.

Of course, examples abound of law firms where co-managing partners don’t mesh, alienating each other or the rest of the firm. On the eve of Valentine’s Day in 2017, Eckert Seamans Cherin & Mellott announced that it had installed a pair of leaders to serve as co-CEOs but earlier this month there was more dissension than love when one of them was ousted.