Arthur Kalala Katalayi (/kəˈtɑːlɑːji/; born May 10, 1982), nicknamed "The Katalyst", is a French businessman, podcaster, consultant and entrepreneur based in the Democratic Republic of Congo. A former senior advisor to the chairman of the board of directors at state-owned copper and cobalt mining company Gecamines, he is a senior partner at boutique management consulting firm A2k Advisory and host for the mining-focused podcast The Right Advice.