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Constantine Karayannopoulos
Constantine is President of Kloni Inc., a company providing advisory services to governments and global clients in the critical materials space.
He has served as CEO of Neo Performance Materials (“Neo”, a company he co-founded in 1993), 2005-2012 and 2020-2023 as well as interim CEO of Molycorp Inc., 2012-2013. His past publicly-listed company board roles include Chairman of the Boards of Directors of Neo (2016-2020) and Neo Lithium Corp (“NLC”, a company he co-founded in 2016), (2016-2022).
Constantine is a member of the Advisory Board of the University of Toronto’s Department of Chemical Engineering and Applied Chemistry, a Director of the Canada-China Business Council, a Director of the Board of Grid Metals Corp. and a Director of the Board of the Critical Minerals Institute..
He holds Bachelor’s and Master’s degrees in Chemical Engineering from the University of Toronto.
Sessions
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Expert overview of North America’s critical minerals supply chain – where are we going? (Fireside chat)28-Oct-2026Located in Main Expo Hall A
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America’s Race for Rare Earths and China’s November Reckoning (Panel)29-Oct-2026Located in Main Expo Hall A
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