The Team

The Cambridge Healthcare Innovations team has wide experience in a range of fields including dry powder inhalers, respiratory medicine, engineering, medtech, life sciences and pharma.

We also have a track record of innovations which have been developed into commercial products.

Philip Canner


Philip has over 15 years’ experience in life sciences, pharma, medtech, and consultancy.

A mechanical engineer, he has a proven track record in the development of both novel and generic drug-delivery technologies and leadership of device development programmes, with a particular focus on Dry Powder Inhalers.

As CEO, Philip is responsible for our strategy and operations, as well as oversight of CHI’s core technology development programmes.

David Harris

Co-Founder & CTO

David is passionate about improving the lives and wellbeing of patients. He has focused his 25 year career on the development of medical products, mainly in the field of respiratory drug delivery.

As a physicist he enjoys the complex and challenging science that underpins inhalation and has more than 50 patent applications in the field, many of which have become part of commercially successful products.

As CTO, David is responsible for the technical development of new products.

Warren Isaacs

Principal Engineer

Warren brings more than 30 years of mechanical and product design experience across a range of highly regulated industries, including medical, food and aviation.

A pMDI and DPI expert, he has developed successful inhalation products across a range of formats, including multi-dose, blister, and reservoir-based devices.

As CHI’s Principal Engineer, Warren leads our design and engineering activities.

Jamie Greenwood

Principal Scientist

Jamie leads our technology test programmes and manages our laboratory, bringing extensive experience in medical and consumer product testing through all stages of the development lifecycle.

His expertise comes from almost 20 years of hands-on experience conducting and leading device testing programmes from proof of concept through to formal device verification testing (DVeT).

Jamie has built in-depth knowledge of developing bespoke test solutions while being versed in industry best practices and compliance with regulatory requirements.

Prior to joining CHI in 2021, Jamie was Head of Device Testing at the medical device design consultancy, Team Consulting (Cambridge), before which he worked as a scientist at Cambridge Consultants.

Mike Oakes

Co-Founder & Non-Executive Director

A successful design engineer and business owner whose products have won critical acclaim and commercial success, Mike brings both commercial and technical support to the CHI team.

His extensive experience includes consumer, industrial, medical and scientific markets, from concept to production.

As a non-executive director Mike takes an active role in company and programme oversight.

Advisory Board

Mark Hammond

Mark is a successful business leader with a track record in growing companies in regulated industries, including Pharma and MedTech.  Mark is currently the CEO of Wickham Micro, having previously held CEO roles at PBF Biotech and Intertek Melbourn.

Professor Darragh Murnane

Darragh is the Professor of Pharmaceutics at the University of Hertfordshire, and a past President of the UK and Ireland Aerosol Society. Darragh’s research and collaboration projects include materials and formulation science, product manufacture and the design and use of inhalation devices. Darragh is a member of the scientific review panel for the annual Drug Delivery to the Lungs (DDL) conference.