
David Harper
Senior Engineering Director
David is an internationally renowned expert and speaker on water safety and management with over 40 years of experience. He is the leading authority on Legionnaires Disease from an Engineering perspective and is routinely called upon to support investigations and to provide advice to others who are undertaking investigations around the world.

Mark Conway
Managing Director
Mark has over 20 years of experience in supporting clients internationally with their water hygiene and safety across a diverse range of industries and sectors. These range from NHS Hospitals and Healthcare Facilities, Global Medical Device Manufacturers, Residential Care Homes, Local Authority Public Buildings, Schools, Universities, Offshore Marine, Oil and Gas, and segments of the Travel and Tourism Industry.

Stephen Flatman
Engineering Director
Stephen is our Consultant Engineer with over 15 years of international experience working in Healthcare, MedTech and Biotech industries. Specialising in methods and technology to control microbial and particulate contamination in water has led to involvement in design and best practices in a variety of systems and equipment around the world.

DR. Vicky Katsemi
Water Hygiene & Microbiology Consultant
Vicky has over 15 years’ experience in Water Hygiene, Microbiology and Water Management at the international level. She has worked closely with national and international experts, participated in water hygiene research projects, contributed to the development of guidelines and recommendations by working with regulatory bodies, and held numerous presentations and educational sessions globally to raise awareness on drinking water safety and hygiene. Vicky has a good working knowledge of European and national laws, recommendations and guidelines regarding water and technical hygiene, hospital hygiene and infection prevention, transmission pathways of waterborne microorganisms, control measures, outbreak management and relevant required compliances.

Dr. Catherine WHAPHAM
Water Hygiene Consultant
Cathy has worked in contamination control for more than 25 years, predominantly alongside clinical microbiologists, infection prevention and hospital engineering teams on water hygiene programs. She has extensive practical experience of critical contamination and waterborne outbreaks within public and private sectors both nationally and internationally, and provides bespoke training and holistic advice on waterborne contamination, prevention and control strategies for in-premise drinking water distribution systems.

Alison Thomas
Technical Lead
Alison has over 15 years international experience in the life sciences industry providing technical applications expertise in support of a wide range of product categories including processing of blood components and drinking water provision. She has worked alongside the NHS, overseas healthcare services, private sector hospitals, corporate research and development facilities and medical device manufacturers.