Leadership

The people accountable for the care.

My Digital Health is led by a small senior team. Our founder is a nurse practitioner who leads the group as Chief Executive Officer and is accountable for clinical safety across all four brands as Chief Clinical Officer.

  • Assoc. Prof. Christopher O'Donnell, Founder, CEO & Chief Clinical Officer

    Founder, CEO & Chief Clinical Officer

    Assoc. Prof. Christopher O'Donnell

    Nurse Practitioner, FACN

    Christopher is a nurse practitioner and the founder of My Digital Health. He started the business in 2021 as My Weight Loss Clinic and leads the group as Chief Executive Officer and Chief Clinical Officer, accountable for clinical safety, prescribing standards and clinical-team performance across all four of its brands.

    His nurse practitioner career began in the United Kingdom, at Portsmouth Hospitals NHS Trust from 2002 and with the UK Foreign and Commonwealth Office in London from 2004 to 2007. He then spent more than 15 years in clinical and senior nursing leadership roles in Queensland's public health system. He practised as a nurse practitioner on the Gold Coast from 2007, became Director of Clinical Innovation and Advanced Practice at Queensland Health in 2012, and from 2015 to 2023 was a Director of Nursing in the Queensland Government's Office of the Chief Nursing and Midwifery Officer.

    He holds a nursing degree from James Cook University and nurse practitioner master's degrees from the University of Portsmouth and the Queensland University of Technology. He is a Fellow of the Australian College of Nursing, where he chaired its Advanced Practice Community of Interest, now the Advanced Practice Faculty, from 2017 to 2023 and was Queensland State Chair from 2017 to 2022. He holds SCOPE certification in obesity management from the World Obesity Federation.

    Outside work, he coaches an under-8 girls' football team and can usually be found at the barbecue at North Kirra Surf Life Saving Club.

    Christopher O'Donnell on LinkedIn (opens in new tab)
  • Sean Edwards, Head of Operations

    Head of Operations

    Sean Edwards

    Accredited Practising Dietitian

    Sean is Head of Operations at My Digital Health, leading operations across the group's brands. He is an Accredited Practising Dietitian.

    He spent nine years at Digital Wellness, the company behind the CSIRO Total Wellbeing Diet, in roles spanning one-to-one dietetic coaching, member services and clinical workforce management. He helped develop and launch a chronic disease management program delivered through five Australian health funds, and led teams of nurses, dietitians and member service staff in Australia and the United States, including a secondment to New York to build the member service team for the US launch of the Mayo Clinic Diet. He also helped the business achieve accreditation against the National Safety and Quality Health Service Standards.

    Sean holds a Bachelor of Nutrition and Dietetics from the University of Newcastle.

  • Tim Irving, Chief Operating Officer

    Chief Operating Officer

    Tim Irving

    Tim is Chief Operating Officer of My Digital Health. He joined in 2023, when the business operated as My Weight Loss Clinic, and has helped lead its growth and its restructure into My Digital Health Group.

    He has spent most of the past decade in digital health. Before joining, Tim was Partnership Director at Digital Wellness for almost seven years, working with health funds, large corporates and government departments, including on chronic disease management, and building a new enterprise channel in Australia and the United States.

    His earlier career was in commercial leadership, including as Director of Sales, Advertising and Media at Australia Post, and running his own media business, AT Media, from 2008 to 2025.

    Tim Irving on LinkedIn (opens in new tab)

Clinical governance

One framework, every brand.

Our Chief Clinical Officer chairs a monthly Clinical Council of brand clinical leads, with continuous prescribing audit and independent accreditation behind it.

How clinical governance works

Our clinicians

120 clinicians, all registered.

Every doctor, nurse practitioner and pharmacist across our brands is registered with AHPRA, and you can check any of them on the public register.

Search the AHPRA register (opens in new tab) What AHPRA registration does and doesn't guarantee

Want to work with us?

We're always interested in clinicians and operators who care about doing this properly.