Catherine A. Joyner

Catherine "Cat" Joyner, M.S., P.E. has a diverse and extensive work experience in the mining and engineering industry. Catherine "Cat" is currently working at the John T. Boyd Company as a Senior Consultant and has been with the company since 2022. Prior to this, they held the role of Senior Associate Engineer at the same company.

In 2021, Cat served as a Member of the Board of Directors at the Society for Mining, Metallurgy & Exploration Inc. (SME). Catherine "Cat" also has experience as the President of Scratchgravel Mining Services, PLLC since 2011.

Cat founded Minetech USA, LLC in 2015, where they are the Owner and Principal. This consultancy firm specializes in providing project and operational engineering services to the mining industry.

From 2011 to 2015, Cat worked as a Senior Mining Engineer at Micon International Limited. Catherine "Cat"'sresponsibilities included creating mine designs, developing mine plans and schedules using specialized software, and conducting reserve estimates and feasibility studies.

Cat's earlier experience includes working as a Mining Engineer and Mine Inspector at the State of Montana, MDEQ from 2003 to 2011, where they managed various mining projects and ensured regulatory compliance. Catherine "Cat" also worked as a Mine Planning Engineer at Barrick Goldstrike Rodeo Mine from 2000 to 2003 and as a Process Engineer at FMC Granger from 1999 to 2000. Cat started their career as a Mining Engineer at Tg Soda Ash from 1998 to 1999.

Overall, Cat's work experience showcases their expertise in mining engineering, project management, regulatory compliance, and consultancy services within the industry.

Catherine "Cat" Joyner, M.S., P.E. holds a Master of Science (M.S.) degree in Mining Engineering and Environmental Engineering from Montana Technological University, which they completed from 1996 to 1998. Prior to this, they pursued Physics and German at the University of Tübingen from 1994 to 1995. Before that, they studied Physics at the University of Oregon from 1992 to 1995. Catherine "Cat" obtained their Bachelor of Science (B.S.) degree in Physics and German from the University of California, Davis, where they studied from 1988 to 1992.