After return from East Africa in 1982 he co-founded HealthLink360, a health care charity, located near Edinburgh, providing whole person health care for expatriates working with voluntary agencies in the developing world. He was Medical Director 1983-2006 and is now Honorary Consultant Physician. He set up a public access Travel Clinic for the charity in 2004.
He was Editor of the quarterly journal Tropical Doctor, published by the Royal Society of Medicine 1995-2002, and has edited the vaccination and anti-malarial prophylaxis pages of the GP newspaper Pulse since 1994.
He lectures widely on HIV, infectious Diseases and tropical medicine, and internationally on Travel Medicine. After being invited become a Founder Fellow of the Faculty of Travel Medicine at RCPS Glasgow in 2006 he was asked to chair the Examination Committee in 2007, and was elected Vice Dean in 2009 and Dean in 2012, where he is encouraging international links and educational development, and enjoys chairing a skilled and enthusiastic Board.
Over the past 20 years he has maintained links with Malawi and particularly Zambia, and from 2003-9 made 5 visits to Zambia supporting the roll out of ART with the Lothian-Zambia HIV/AIDS Partnership.