Global. Ground-breaking. Growing.

Smarter thinking, collaborative excellence, and engaged, talented, driven experts inspired to achieve outstanding results for our clients on every project, every time. Chameleon is at the forefront of medical communications, and as part of the Healthcare Consultancy Group (HCG) and Omnicom Health Group network we have the scale and partnerships to bring the best to our client’s brands and a broad range of rewarding career paths to our workforce. At Chameleon, our vision, our culture, and our relentless hunger to improve creates exceptional results that have impact across the world.

Our Approach

Proactive. Passionate. Productive.

The world changes every day – markets, opinions, technology, medical advances, and scientific discoveries. It takes incisive, responsive talent to transform these challenges into new opportunities.

At Chameleon, our deep involvement, our expertise, and our strategic creativity help us take those changes and deliver real and lasting differences to your business.

With our team of highly qualified, engaged, scientific and industry experts applied to our clients’ businesses, Chameleon is a trusted partner for success.

Our culture

Cohesive. Creative. Collaboration.

What are barriers for, if not for breaking? We never ask 'why?'' without asking 'why not?'' Here at Chameleon, we have nurtured a robust, unified working culture of open collaboration and connected support. We put our team at the center of our business, and our culture inspires them to innovate, upskill, and evolve.

This does more than get the best out of every team member: it helps us get the best results for our clients too. There are opportunities out there. So, let’s meet them together.

Our reach

Our reach

Meet the team

Bill Mulligan

Bill Mulligan

Group CEO

Gary Hobbs

Gary Hobbs

Group Chairman

George Jones

George Jones

Group Chief Financial Officer

Stephen Marchant

Stephen Marchant

President, Group Strategy & Growth

Guy Slatcher

Guy Slatcher

President US operations

Helen Morgan

Helen Morgan

London President

Tim Perryman

Tim Perryman

Manchester President

Michael Hagger

Michael Hagger

Performance Director

Paul Wilson

Paul Wilson

Group Chief Operating Officer

Eamon McGoldrick

Eamon McGoldrick

Communication Strategy Director

Jeremy Williams

Jeremy Williams

Client Relations and Innovation

Brendan Wallace

Brendan Wallace

EVP, Medical & Scientific Services

Kate Hodgman

Kate Hodgman

SVP, Client Services

Rajni Dogra

Rajni Dogra

Strategic Communication and Planning Director

Shirley Smith

Shirley Smith

Scientific Services Director