He was appointed a Senior Investigator at the National Institute for Health and Care Research (NIHR) in 2010.
May is best known for his contributions to Implementation Science and his work is represented by many studies of the interaction between health technologies and their users.
In Implementation Science his work investigates how innovations become routinely embedded in health care and other organizational systems.
This research has led to Normalization Process Theory, developed with Tracy Finch and others, including Victor Montori.
To counter this, they have proposed Minimally Disruptive Medicine,[3] which seeks to take account of its effects on patients' workload.