List: Most Influential Headhunters, Part One

See BusinessWeek's exclusive list of the 100 most influential executive recruiters in the world

Ulrich F. Ackermann, Managing partner, board member, Transearch Intl. Deutschland

Alfredo José Assumpção, CEO, partner, FESA Global Recruiters

Jim Bagley, Managing director, Russell Reynolds Associates

Ignacio Bao, Chairman, Signium Intl.

Jean-Michel Beigbeder, President, CEO, Jean-Michel Beigbeder & Partners—CEO Search SA

Robert L. Benson, Chairman, Robert L. Benson & Associates, Inc.

Linda Bialecki, President, Bialecki Inc.

Robert J. Brudno, Managing director, Savoy Partners

Dennis Carey, Senior client partner, Korn/Ferry Intl.

Jim Citrin*, Senior director, Spencer Stuart

Christopher John Clarke, President, CEO, Boyden World

Michael James "Jim" Conroy, Chairman, founding partner, Conroy Ross Partners

Peter D. Crist, Chairman, Crist Associates

Robert Damon, President, North America, Korn/Ferry Intl.

Julie Hembrock Daum*, Practice leader, North American Board Services, Spencer Stuart

Peter de Jong, Managing director, regional VP—EMEA, Stanton Chase International

Sylvain Dhenin, Managing partner, CTPartners

Bruce Dingman*, President, The Dingman Co.

Theodore L. Dysart, Managing Partner of the Americas, Global Board of Directors Practice, Heidrick & Struggles Intl.

Janice Reals Ellig, Co-CEO, Chadick Ellig