Excelsior Mining Corp. announced the immediate appointment of Robert Washnock to the position of Project Manager for the Gunnison Copper Project in Arizona. Mr. Washnock will work with Excelsior's management team to help plan and organize all aspects of the Gunnison Copper Project, including mine design, procurement, construction, start-up and commissioning; he will also assist management with the care and maintenance operations at the Johnson Camp Mine (JCM). He has direct experience with in-situ copper recovery mining, and his hiring comes as Excelsior prepares for the anticipated commencement of commercial production in 2018.