 In November 2017, Kingston was a member of an International Review Committee (IRC) invited by the government of Taiwan, to review its initial report on the implementation of the Convention of the Rights of Persons with Disabilities outside of the UN system 

From 2007-2011, Kingston was a member of the World Health Organization's Advisory Board for Community-based Rehabilitation (CBR), she was the lead author of that organisation's CBR guidelines component on education.From 2006-2007, she served on the British Medical Association's Patient Liaison Group and Equal Opportunities Committee, and had advisory input into two publications