McKnight attended the University of the West Indies where he attained a Bachelor in Theology and a master's in communication for social and behaviour.
[7] In 2011, he called on the Jamaican government to increase funding for housing programs for gay men living with HIV.
[11] In 2011, he spoke against David Cameron's threat to cut funding for HIV/AIDS services if Jamaica did not repeal its anti-gay laws.
[12] While serving as Executive Director of CVC, he spoke at the closing session[13][14] of the 2012 International AIDS Conference in Washington, DC.
[16] He also warned against potential HIV/AIDS funding cuts to the Caribbean and called for governments "to make the investment necessary [...] to end AIDS".