The Coretec Group Announces Matthew Hoffman as Chief Operating Officer Non catigories The Coretec Group Announces Matthew Hoffman as Chief Operating Officer Karren Franco 19 October، 2022 ANN ARBOR, Mich. — The Coretec Group (OTCQB: CRTG), developers of silicon anode active materials for lithium-ion batteries... Read More Read more about The Coretec Group Announces Matthew Hoffman as Chief Operating Officer