With a depth of experience across multiple fields, the DHO team is committed to driving consumer centric outcomes to bring down healthcare costs and improve individual quality of life.

Management Team

Nathan Thynne

Group Managing Director

Nathan has over 25 years of experience in the hospital and health technology sector throughout Australasia. He has previously been the Co-founder and group Executive of the Healthe International group of companies. He also has been the Managing Director at Health Corporation of Australia, and a Director on Nova Health Ltd.

Fiona O’Keefe

Group Head of Marcomms & Digital

Fiona holds 20 years of experience managing large scale global projects and teams, excelling in strategically shaping and executing international operational start-ups, digital transformations, and new market entry. She previously worked as the Global Head of Marcomms & Digital at Knight Frank LLP.

Board of Directors

Nathan Thynne

Group Managing Director

David Glickman


Founder, current Chairman and CEO of PresagiaSports Nth America, David has over 35 years of experience in the software business. A versatile and dynamic executive with proven ability to identify business opportunities and to establish and manage strategic relationships.

Dr Grenville Thynne

Patron, Medical Board

A prominent internationally trained Surgeon. Member of Royal College of Surgeons in Australia, New Zealand, England, Scotland and USA. Royal Marsden Hospital, London and Mayo Clinic, USA alumni. Founder, Health Corporation of Australia, Group Medical Director of HealtheGroup and Evolution Healthcare. MBBS (Qld), FRACS (Australia), FRCS (England), FRCS (Edinburgh), ABMS (USA).

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