Kirkland & Ellis LLP ranked in the first tier in 15 categories, and was recognized as a leading firm in 34 additional categories, in the 2012 edition of Chambers USA, America's Leading Lawyers for Business. Chambers & Partners, based in London, produces the internationally recognized guides to the legal profession described by The New York Times as "the gold standard" in legal rankings. To compile its annual guide to the U.S. legal market Chambers conducted thousands of interviews with private practice attorneys and sophisticated end-users of legal services around the world. Chambers & Partners also recognized the following 114 Kirkland lawyers for their individual achievements over the past 12 months: Kenneth Adamo Adam Alper Gregory Arovas Eugene Assaf Daniel Attridge Jon Ballis Paul Basta Leora Ben-Ami Scott Berger Nader Boulos David Breach Rachel Brown Christopher Butler David Callahan Dale Cendali Richard Cieri Steven Clemens Brian Davis Mark Director Edward Donovan Stuart Drake David Eaton Neil Eggleston Carter Emerson Bruce Ettelson Kevin Evanich Scott Falk Mark Filip Michael Foradas David Fox Stephen Fraidin Patrick Gallagher Bruce Gelman Andrew Genser Douglas Gessner Richard Godfrey Samantha Good Jeffrey Hammes David Handler Jonathan Henes Andrew Herman Mitchell Hertz John Hickey Neil Hirshman Mark Holscher Walter Holzer Vicki Hood Stephen Johnson Chris Kallos Natalie Keller Marc Kieselstein Michelle Kilkenney Gregg Kirchhoefer Christopher Kirkham Sarah Kirson Robert Kopecky Joshua Korff Mark Kovner Brian Land Christopher Landau Andrew Langan Daniel Laytin Jay Lefkowitz Russell Levine Mark Lillie Gregg LoCascio Walter Lohmann Todd Maynes Andrew McGaan Mark McKane Kenneth Morrison Timothy Muris James Mutchnik Linda Myers Granta Nakayama Emily Nicklin John O'Neil Sanford Perl Daniel Perlman Greer Phillips William Pratt Scott Price Jay Ptashek Kirk Radke Claudia Ray Stephen Ritchie Donald Rocap Andrew Running Edward Sassower Anup Sathy Jonathan Schechter Edward Schneidman David Seligman Jeffrey Sheffield Andrew Small Leslie Smith Tefft Smith Sallie Smylie James Sprayregen George Stamas Matthew Steinmetz James Stempel William Streff Joshua Sussberg Maureen Sweeney Laurence Urgenson John Weissenbach William Welke Christine Wilson Daniel Wolf Andrew Wright Michael Wright Thomas Yannucci David Zott