About us

Portman are a team of professionals who care about one thing only. You.

At Portman, our senior team has a wealth of experience from the worlds of finance, commerce and health. We have been drawn together through a collective ambition to ensure excellence in dental practice. Our vision is holistic and simple: you are at the heart of everything we do.

Our Executive Team

CEO and Founder

Sam Waley-Cohen

Clinical Director

Mark Hamburger

Chief Operating Officer

Mark Welch

The Portman team

Driven by excellence.

We are passionate about treating patients as we would like to be treated ourselves. Our passion is underpinned by our investment in our people and our technology, ensuring truly excellent care from the patient lounge to the clinic.

Finance Director

Darren Milne

Chief Commercial Officer

Julie Ross

Our Mergers & Acquisitions Team

Our success is your success

Complete clinical freedom, central financial and administrative assistance, and the support of a well-trained and motivated team. If you're looking to sell your dental practice, we'd be happy to hear from you.

Head of Mergers & Acquisitions

Gary Chapman

Our Clinical Team

Director of Clinical Dentistry

Rebecca Sadler

Director of Clinical Dentistry

Roy Bennett

Regional Clinical Lead - South West & Wales

Philip Pettemerides 

Regional Clinical Lead - North East

Catherine Tannahill

Regional Clinical Lead -  North West

John Hewitt

Regional Clinical Lead - Midlands

Fiona Patterson

Regional Clinical Lead - Northern Ireland

Pearse Stinson

Regional Clinical Lead - Scotland

Kevin Lochhead

Regional Clinical Lead - South West

James Critchley

Regional Clinical Lead - South East & London

Stuart Jacobs


Award Logo 2018
Dental Industry Award - Portman Dental Care
Private Dentistry Awards - Portman Dental Care
The Dentistry Awards - Portman Dental Care
Elite Practice Award - Portman Dental Care