Meet The Team

Dan Johnson

Dan Johnson

Vice President & General Manager

Dan Johnson is a resident Arizonan with a career spanning over 25 years of environmental management, hydrological engineering, and project management experience in the state’s mining industry. Dan is a graduate of the University of Arizona, and is a registered Geologist, Hydrologist, and Professional Engineer.

Prior to joining Florence Copper, Dan worked with QuadraFNX, where he served as Technical Services and Environmental Manager/Director for projects in North America and Chile. He has also worked at senior levels for Phelps Dodge, Freeport-McMoran, Rio Tinto, and Montgomery Watson.

Dan joined Florence Copper in 2011, and has led the company’s environmental, permitting and technical efforts with the support of the project team. He currently sits on the Arizona Mining Association Board as Treasurer.


Glenn Hoffmeyer

Glenn Hoffmeyer

Technical Services Manager

Glenn Hoffmeyer, a graduate of Michigan Technology University with a B.S. in Metallurgical Engineering, has lived in Arizona for over 20 years and has over 25 years of senior level metallurgical and mineral processing engineering experience, focused on the copper industry within the U.S.

Glenn has extensive experience in hydrometallurgical operations, process development and project management focused primarily in the southwestern U.S. His professional experience includes copper leaching, SX/EW, Electro-refining and other extractive metallurgy projects for companies such as Freeport-McMoRan, Asarco, Santa Fe Pacific Gold, Cyprus Amax, and Phelps Dodge.

Glenn joined Florence Copper in 2011 as the Technical Services Manager and is responsible for coordinating short and long term planning for the operation, implementing and managing technical systems, and providing leadership to the engineering function. As the project progresses into operation, he will lead the metallurgical engineering and mineral processing studies at site.


Ian Ream

Ian Ream

Senior Hydrogeologist

With over 15 years of experience as a field hydrologist and a consultant with Water Management Consultants, Ian Ream has extensive experience in production and monitoring of well installation, well testing and rehabilitation, water quality sampling, datalogger installation and maintenance, and the design and testing of pilot infiltration basins for aquifer storage and recovery projects.

Since joining Florence Copper in 2012, Ian has been responsible for design, procurement, and construction oversight for the Production Test Facility well field, leading feasibility studies, and compliance monitoring. As the Florence Copper Project progresses into operation, Ian will continue to lead well field optimization, environmental compliance, and data management and reporting.

Ian graduated with a Bachelor of Science focused on Hydrology from Evergreen State College in Olympia, Washington. He currently sits on the Arizona Mining Association Water Quality Sub Committee. In his free time, he is often camping, biking, swimming or fishing.


Greg Phillips

Greg Phillips

Process Superintendent

Greg Phillips is a Pinal County resident and a graduate of Eastern Arizona College.

He has 25 years’ experience in the mining industry, with over 17 years’ experience in the fields of mineral processing and solvent extraction and electrowinning (SX/EW) plant operations. Prior to joining Florence Copper, Greg worked at the Carlota Copper operation in Miami, Arizona and spent 19 years advancing his career at Phelps Dodge in various roles.

Joining the Florence Copper team in 2012, Greg is responsible for the review and approval of engineering drawings, procurement, safety, and maintenance of the site.

In his spare time, he can be found enjoying the outdoors on the golf course, hunting or fishing.


Rita Maguire

Rita Maguire

Executive Vice President & General Counsel

Rita Maguire is a recognized expert on western water policy, with over three decades of professional experience. She holds three degrees from Arizona State University: a Bachelor of Science, a Master’s in Business Administration, and a Juris Doctorate.

Rita’s career highlights include her roles as a founding partner of Maguire, Pearce, & Storey, PLLC, President of the Arizona Center for Public Policy, Director of the Arizona Department of Water Resources, and Deputy Chief of Staff for Governor Fife Symington. She joined Florence Copper in 2011 and leads the Florence Copper team in legal matters, as well as leading its public and government affairs activities.

She currently sits on the Colorado River Advisory Council and the Water, Science & Technology Subcommittee for the National Academies of Science. Recently, Rita was awarded the Michael J. Brophy Distinguished Service Award by the Environmental and Natural Resource Law Section (ENRLS) of the Arizona State Bar.


Stacy Gramazio

Stacy Gramazio

Manager of Communications and Public Affairs

Raised in Mesa, Arizona, Stacy Gramazio graduated from the University of Arizona with a B.A. in Media Arts. After spending a decade in Los Angeles working in television production, she and her family moved to her home state of Arizona in the new area of San Tan Valley nine years ago.

Upon her return, Stacy taught for the Florence Unified School District and Central Arizona College. She joined the Florence Copper team in 2012 and has led the communications and public affairs staff through the permitting and public review process.

She is the past-president of the Greater San Tan Chamber of Commerce and serves on board of directors for Copper Basin YMCA and the Coolidge Chamber of Commerce. In 2015 and 2016, she was recognized by Central Arizona College for Exemplary Leadership in Pinal County.

In her spare time, Stacy is busy raising two active boys with her husband Chris and is the PTO president at Skyline Ranch K-8.


Rebecca Rios

Rebecca Rios

Senior Community and Government Affairs Advisor

Rebecca Rios is a 4th generation Pinal County native, who holds a Bachelor’s and a Master’s degree in Social Work from Arizona State University.

She is a current member of the Arizona House of Representatives (2015-present), serving as the Minority Whip and on various committees. Rebecca previously served in the Arizona House of Representatives from 1995-2000 and the Arizona State Senate from 2004-2010.

With an extensive background in the nonprofit sector, Rebecca joined Florence Copper in 2011 as Senior Government and Community Affairs Advisor. She is also the President of the Florence Copper Community Foundation.


Lorri Rodriguez

Lorri Rodriguez

Senior Administrator

Lorri Rodriguez, a native Arizonan, was born in Florence and grew up in Eastern Pinal County. She has a B.A. in Business from Northern Arizona University.

Lorri has over 20 years’ experience in a variety of fields, with over 15 specifically in office administration. She joined Florence Copper in 2011 as Senior Administrator and manages the daily functions of the site office, provides guidance and support for management and staff, and is the site liaison for Human Resources, Finance, Accounts Payable, and IT.

She is also Secretary of the Florence Copper Community Foundation. In her free time, she can be found reading, cooking, spending time with her family, and volunteering as a “cheer mom” at Florence High School.