Institutional investors such as public pensions have long locked up their capital in the private equity asset class and will continue to do so as they grow their private book. In today's market, it takes savvy investment talent to scope out the best and hidden investment opportunities. This list highlights 30 astute investors who manage multi-billion-dollar investment portfolios for some of the larger LPs in the U.S. and have built successful portfolios that have stood the test of time.