EMD Serono, USA
Merck KGaA, Darmstadt, Germany
Merck KGaA, Darmstadt, Germany

Leadership Team

GARY ZIEZIULA

Gary Zieziula
President and Managing Director

JOSEPH LEVEQUE

Joseph Leveque
Chief Medical Officer

LISA WALSH

Lisa Walsh
Regional Controller

BÉLA BERNHARDT

Bela Bernhardt
Head of Business Technology Support Americas

LISA BUFFINGTON

Lisa Buffington
Vice President of US Communications

TIM GOLDEN

Tim Golden
Vice President, Business Excellence

JOHN HUYCKE

John Huycke
Vice President, Strategy & Management Process

MICHAEL MACDOUGALL

Michael MacDougall
Vice President and General Counsel

CRAIG MILLIAN

Craig Millian
Senior Vice President, Neurology and Immunology

BRIAN BARRY

Brian Barry
Chief Compliance Officer

MICHAEL J. RUGGIERO

Michael J. Ruggiero
Vice President, US Government Affairs & Policy

RICHARD R. SMITH

Richard R. Smith
Senior Vice President, Fertility and Endocrinology

DAVID TREXLER

David Trexler
Senior Vice President, Oncology