 He attended two meetings from August 11–20 in 1988, along with Osama bin Laden, Ayman al-Zawahiri, Mohammed Atef, Jamal al-Fadl, Wael Hamza Julaidan, and Mohammed Loay Bayazid and eight others, to discuss the founding of "al-Qaeda".According to Jamal al-Fadl, Salim instructed militant recruits in the works of Ibn Taymiyyah.Other allegations suggest he travelled to China, Japan or Hong Kong with Mohammed Loay Bayazid in 1990 to facilitate the purchase of communications equipment for the Sudanese government.