Dr. Andersson has three decades of experience designing and managing evidence-based primary health care research initiatives. In 1985, he founded CIET, a group of NGOs, institutes, foundations and charities dedicated to community-based research and planning. His main research interests are related to primary prevention in areas such as diabetes, dengue, HIV, gender violence and maternal mortality. He has supported Indigenous communities in Canada to pursue their own research objectives, often relating to diabetes and cultural resilience for over 20 years. A specific project related to diabetes worked towards revitalizing traditional foodways to reduce diabetes risk across First Nations communities.
He has held numerous research grants from CIHR, GHRI, CIDA, IDRC and private foundations. He has supervised more than 50 graduate students and has over 200 publications in peer-reviewed journals.