The Firm: This private equity powerhouse is marked out by the depth and breadth of its practice, which includes the ability to advise clients on the full gamut of funds. Sources note the skill of the team in understanding both the limited partners' and general partners' perspectives, and its superb knowledge of market terms. Notable clients include Adams Street Partners, JPMorgan and Cambridge Associates.

Sources Say: "Having them on my team always gives me a great deal of comfort that I will be successful."

Key Individuals: The "decisive and unbelievably effective" Robin Painter is "plugged into the whole community" and is "smart, tough, clear, experienced and informed, and has a hell of a presence," according to sources. She recently advised long-term client Bessemer Venture Partners on the $1.6 billion closing of its eighth group of venture capital funds.

"Fantastic attorney" Daniel Finkelman "thinks like a business person so the legal advice he gives is infused with business knowledge." Sources particularly commend his ability to advise multinational funds.

David Tegeler is praised by clients for the "depth of his market knowledge" and for his "strategic advice." He is the global co-head of the private investment funds group together with Robin Painter.

Sean Hill is "a pleasure to work with" and "an exceptional talent," with "excellent judgment." He is co-head of the private investment funds group.

Stephen Mears is praised by sources as a "detail-focused" and "technically good lawyer," who is "unassuming and down to earth."

Malcolm Nicholls is a "hard worker" who has "good experience." He advises private equity fund managers, institutional investors and investment advisers on fund formations and a range of other issues.