Hycroft Mining Holding Corporation, on January 12, 2021, announced the appointment of John (Jack) William Henris as Executive Vice President and Chief Operating Officer, effective January 11, 2021. Mr. Henris has over 35 years of experience in the gold and silver mining industry. Prior to joining the Company, Mr. Henris served since December 2019 as a Senior Consultant at Stantec Consulting Services where he managed the technical and professional services (including mine planning, engineering support, cost estimating, scheduling and cost control services) required for the development of surface and underground mining studies. Prior to that, from April 2019 to September 2019, he was General Manager of McEwen Mining Inc.