 As the Secretary-General, Annan reformed the UN bureaucracy; worked to combat HIV/AIDS, especially in Africa; and launched the UN Global Compact.He was criticized for not expanding the Security Council and faced calls for his resignation after an investigation into the Oil-for-Food Programme, but was largely exonerated of personal corruption.After the end of his term as UN Secretary-General, he founded the Kofi Annan Foundation in 2007 to work on international development.