Guillaume Klossa - Email & Phone Number

Senior Vice-President European Affairs at Hill+Knowlton Strategies

Guillaume Klossa is based out of Greater Paris Metropolitan Region and works at Hill+Knowlton Strategies as Senior Vice-President European Affairs.

Guillaume Klossa's Contact Information

Guillaume Klossa's Work email

g*****@hkstra***.com

Valid

Latest update

October 26, 2025

Location

Greater Paris Metropolitan Region

Guillaume's current employer

Hill+Knowlton Strategies

Description

News + insights Our work Our expertise Drawing on our significant heritage – and a spirit of unbridled creativity and innovation – we are...

Website

hkstrategies.com

HQ Location

New York, United States

Number of employees

1001-5000

Industry

Public Relations And Communications Services

Latest update

April 30, 2024

Read about Hill+Knowlton Strategies

Frequent questions about Guillaume Klossa

What company is Guillaume Klossa working for?

Guillaume Klossa works for Hill+Knowlton Strategies.

What is Guillaume Klossa's function at Hill+Knowlton Strategies?

Guillaume Klossa is Senior Vice-President European Affairs at Hill+Knowlton Strategies.

Where is Guillaume Klossa based?

Guillaume Klossa is based out of Greater Paris Metropolitan Region.

What is Guillaume Klossa's work email address?

Guillaume Klossa's professional email address is g*****@hkstra***.com

Who are Guillaume Klossa's co-workers?

Guillaume Klossa's colleagues are Amy Evans, Roz Thomas, Bashar AlKadhi, Jenny Åström, Craig Buchholz, Harry Costello, Sheila Wisniewski, Sandro Pello, Eleni Constantinidi, Michael Coates, Detlev Geiger, Jun Xu, Thomas Tindemans, Mauricio Gutiérrez, Jan-Paul Term, Brian Burlingame, Agnieszka Dziedzic, Matthew Gibson, Lara Holmes, Andrew Laurence, Corinne Got, Grzegorz Szczepanski, Simon Whitehead, Ricardo Cesar, Richard Millar, Jane Hoffman, AnnaMaria DeSalva, Eloisa Alonso, Norman Mineta, Larry Krutchik, Cecilia ZHOU, Carrie Winans, Barbara Melchin, Karen Malone, Donna Pincott.

Guillaume's co-workers

Amy Evans

EA to CEO US & Americas + Chief Creative Strategy Innovation Officer + Global Chair, Public Affairs

Roz Thomas

CEO: Africa

Bashar AlKadhi

CEO of Hill+Knowlton EMEAx (Continental Europe, Nordics, Middle East, Turkey, India, Africa)

Jenny Åström

CEO

Craig Buchholz

U.S. Chief Executive Officer

Harry Costello

Chairman, Florida Operations/Managing Director

Chairman Germany60314

Jun Xu

Chief Executive Officer - China

Thomas Tindemans

Chairman of the Board

Senior Vice-President, National Sector Lead, Energy + Industrials

Lara Holmes

Director of Administration - Global Chairman & CEO

Andrew Laurence

Chairman & CEO - EMEA

Corinne Got

Owner

Grzegorz Szczepanski

Chief Executive Officer

Simon Whitehead

CEO, UK

Ricardo Cesar

Co-Chief Executive Officer

Richard Millar

CEO, UK + Global Chair, Centre of Creative Strategy

Jane Hoffman

Chief of Staff to the Global Chairman and Chief Executive Officer

AnnaMaria DeSalva

Global Chairman and Chief Executive Officer

Eloisa Alonso

Presidenta Hill + Knowlton Strategies Spain

Norman Mineta

Vice Chairman

Larry Krutchik

Executive Vice President

Cecilia ZHOU

Senior Vice President, Head of Science, Tech & Internet Innovation Practice, Great China

Carrie Winans

Vice President, Financial Services

Barbara Melchin

Vice President, Human Resources, Western Region

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