He subsequently became President of Zambia's National Paralympic Committee, and has been active in raising the profile of disabled sports in his country.
[1][2][3] In addition to his efforts in that field, he owns and runs a "small business centre, which deals with computer repairs, software, and office supplies".
[2] Returning to the Paralympics in 2000, as one of his country's two representatives (along with female visually-impaired sprinter Nancy Kalaba), Sinkamba entered only the marathon.
[7] As an athlete, and as Secretary General for the Zambia Paralympic Sports Association, he drew attention to a lack of government financial and material support for Zambian sportspeople with disabilities.
Noting the lack of a clear government policy in promoting and facilitating disabled sports, he urged support also from businesses and from the media.
[1][9] In 2009, the NPCZ received a donation of fifteen sports wheelchairs from the South African branch of Rotary International.