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Our Leadership

Global Executive Team

Tim Lowery

Chief Executive Officer

Marykay Marchigiani

Chief Financial Officer

Sigma Mostafa

Chief Scientific Officer

Peter Carbone

Chief Operating Officer

Katie Edgar

Chief Business Officer

Karla Gill

Chief Business Technology Officer

Debra Bruneau

Executive Vice President, Human Resources

Rachel Mandell

Senior VP & General Counsel

Shaguna Seth

Chief of Staff & Global PMO Head

Site Leadership

Séverine Fagète

Site Head

Geneva, Switzerland

Leslie Wolfe

Site Head

Venture Center, NC, United States

Greg Chrimes

Site Head

Louisville, CO, United States

Brian Ridout

Site Head

Patriot Park, NC, United States

Julie Stiff

Site Head

Boulder, CO, United States

Jack Armitage

Site Head

Hamlin Road, NC, United States