About Us

Rethinking mental health care

Ieso offers real-time one-to-one therapy online for people dealing with depression and anxiety. Our proprietary web-based platform enables Cognitive Behavioral Therapy (CBT) to be delivered in real-time by real therapists using the Ieso method of written (typed) conversation.

As the largest provider of online CBT in the UK, we have treated more than 7,000 patients and captured over 75 million clinical data units in our unique therapy database. These data are then analysed, with the findings being used to support continuous improvement in the product and in the therapists’ performance. Find out more about our clinical evidence and research.

Through the union of People, Process and Technology, Ieso Digital Health is transforming the accessibilityaccountability and affordability of evidence-based mental health therapy.

Press enquiries

For all press enquiries, please contact press@iesohealth.com


In July 2011 Ieso Digital Health was launched with initial investment from Cambridge Angels. Cambridge Angels followed on with further investment in 2013, this time being joined by investors from Imperial Innovations, Clearly So and Harvard Business School Alumni Angels of London.

Cambridge Angels

Cambridge Angels is a group of investors who have proven experience as successful entrepreneurs in technology, health and life science. Members invest in and mentor high quality start-up and early-stage companies in these sectors.

cambridgeangels.comVisit website

Imperial Innovations

Imperial Innovations builds healthcare and technology ventures based on intellectual property developed at or associated with the UK's four leading universities.

imperialinnovations.co.ukVisit website


ClearlySo helps social entrepreneurs raise capital. Their goal is to grow the social investment marketplace and help build a more social economy.

clearlyso.comVisit website

HBS Alumni Angels of London

Harvard Business School Alumni Angels of London is a Harvard University affiliated group committed to investing in early stage and growing businesses and supporting the rapidly growing UK and European start-up ecosystem.

hbsa.org.ukVisit website



  • Simon Cartmell OBE

    Executive Chairman

  • Dan Clark

    President & CEO

  • Barnaby Perks

    Founder & UK Managing Director

  • Julian Coe


  • Dr Andy Blackwell

    Chief Scientific Officer

  • Mike McGreal

    Chief Operating Officer

  • Guy Beauchamp

    Chief Technical Officer

  • Sarah Bateup

    Clinical Lead

  • Christophe Faucherand

    Product Manager

  • Charlene Waterworth

    Head of Marketing


  • Dr Ann Hayes

  • Dr Andy Richards CBE

  • Dr Inga Deakin

  • Dr Jonathan Pell

Clinical Advisory Board

  • Professor Paul Stallard

    University of Bath

  • Dr David Kessler

    University of Bristol

  • Professor Edward Watkins

    University of Exeter

  • Professor Michael King

    University College London

  • Dr Jill Rasmussen MBChB, FRCGP, FFPM

    GP Advisor to Ieso Digital Health

Commercial Advisory Board

  • Rosemary Cunningham Thomas

  • Thom Van Every

  • Steve Kerridge

  • Clive Pinder