Daniel W. Kappes, President & CEO
A Mining and Metallurgical Engineer, Dan has been associated with the company since 1972. He is a recognized authority on precious metals heap leaching and has presented several technical papers on the subject. In addition to providing engineering, design work, and field construction management on numerous projects, he provides project review and oversight to help ensure that KCA’s work product is of the highest professional caliber.
Horacio Paez, General Manager, KCN
Horacio holds a BS degree in Mining and Metallurgical Engineering (2002) and a BS degree in Civil Engineering (2004) from the Universidad Autonoma de Chihuahua. Previous work for KCA includes construction management and construction discipline supervision for earthworks, rock mechanics, and pads and ponds on the Agnico Eagle Pinos Altos heap leach and mill Project. In Mexico, he was part of the construction team for La Colorada and La India ADR plants, Los Filos 5th Train Expansion. Horacio supported KCA for the construction and installation of the Opor ADR 20 in Burkina Faso (West Africa), and he has provided engineering support for scoping and feasibility level studies for heap leach projects. In addition, Horacio has worked as a chief engineer (technical services and construction) for Agnico Eagle de Mexico on their Mascota open pit and heap leach project. He also filled the role of Construction Supervisor for Minera Dolores, the Field Engineer for Constellation Copper Corporation on the Terrazas and San Javier del Cobre Projects in México, and the Lisbon Valley Copper Mine in Utah.
Randall A. Pyper, General Manager, KCAA
Randall holds a MS degree in Metallurgical Engineering. Before joining the KCA staff, he was Chief Metallurgist of the 2500 ton per day agitated leach plant and 3000 ton per day heap leach facility of Carlin Gold Mining Company (Newmont Gold Company). His earlier professional background includes production and process engineering for PPG industries, Lake Charles, Louisiana, and mining chemicals technical service and development for the Dow Chemical Company at Walnut Creek, California. Randall has been the General Manager at KCAA since it opened in Perth in 1987.
Carmina Garcia, General Manager, SECL
Carmina manages KCA and KCNs independent logistics/procurement company for northern Mexico, SECL. Involved with the mining industry since 1992, she has worked with Glamis Gold and Minas de la Alta Pimeria, now Gold Corp providing procurement services to those companies and now leads these efforts for KCA and KCN in Mexico.
Terence E. Albert, Laboratory Manager
Terry has a background of extensive laboratory test work experience including flotation testing, gravity concentration, and cyanidation. As manager of laboratory operations, his primary functions are to oversee the operation of the Reno laboratory, to set up field laboratory projects for client companies and to oversee the process control of field operations.
Carl E. Defilippi, Senior Engineer & Project Manager
With KCA since 1988, Carl holds a BS degree in Chemical Engineering, an MS degree in Metallurgical Engineering and is certified as an Environmental Manager for the State of Nevada. Prior to joining the staff at KCA, Carl was the General Mill Foreman at Newmont Gold Company’s 9000 ton per day CIP mill and was involved in all phases of the start-up of that mill. He had extensive experience with Newmont as a senior metallurgist at their 2500 ton per day agitated leach plant and 3000 ton per day heap leach facility. He has also been involved in the management and construction of field heap leach tests in Nevada and South Dakota. Carl has been the manager for feasibility studies on several projects from which financing was obtained and which eventually went into operation.
Timothy D. Scott, Senior Engineer & Project Manager
Tim holds a BS degree in Geological Engineering with 30 years of experience. He was the metallurgical manager for Goldfields Tarkwa gold mine in Ghana for five years. Tim worked in operations at Barrick Goldstrike for over seven years. He is an independent contractor working on selected projects with KCA. He was the assistant project manager for the Los Filos project, the construction manager for the Pinos Altos project, and the project manager at the La India project. Tim has also completed a number of studies (scoping to feasibility) while working with KCA.
John S. Bridegum, Senior Project Manager
John has a BS degree in Geology. He is project manager for KCA’s carbon adsorption and Merrill-Crowe recovery plants and has been responsible for the detailed engineering, construction, installation, and commissioning of these circuits. John has worked for KCA for over 26 years, including major projects such as Ocampo, Pinos Altos, Itos, Los Filos, La Colorada, and La India.
Guillermo M. Larios, Support Engineer & Project Manager
A graduate from the University of Nevada Reno (UNR), Guillermo holds a MS degree in metallurgical engineering and is fluent in both English and Spanish. He has provided engineering services for the mining industry since 2007 and while at KCA has been directly involved with laboratory test work, modular equipment fabrication, project feasibility studies, process design and evaluation, equipment procurement, construction management, commissioning, project start-up, personnel training, and mining operations management. Guillermo was part of the engineering and field construction teams for the Pinos Altos Project (Mexico), Tepekoy Gold Mine - Bolkardag Project (Turkey), and the La India Project (Mexico). Most recently, he has been working as the acting project manager for KCA's gold mine in Central America.
Travis Manning, Senior Engineer & Project Manager
Travis holds a BS in metallurgical engineering. Travis is a registered Professional Engineer in the State of Utah and Registered Member of SME. He has over 10 years of experience, most recently 2.5 years for the start-up of the Kensington Gold Mine as Chief Metallurgist for this 1,250 ton/day gold flotation plant. He co-authored the chapter on Heap Leaching for the SME Mining Engineering Handbook, third edition. He has experience in all levels of engineering studies, project management and EPCM activities after 7 years with KCA.
Chris Easton, Senior Project Engineer & Project Manager
Chris holds a BS degree in Chemical Engineering. He has 29 years of mineral processing experience working in, gold, silver, zinc, and platinum group metal operations. He has worked as a Plant Metallurgist, Plant Superintendent, Metallurgical Manager and Consulting Metallurgical Engineer in the U.S. and South Africa. He was a Process and Lead Process Engineer while working for Kvaerner- Metals. He is experienced in laboratory and pilot-plant development for design of commercial plants. He is a Qualified Person (QP), in Metallurgy, for Canadian 43-101 studies through the Mining and Metallurgical Society of America (MMSA).
Sam Yu, Senior Project Engineer & Project Manager
Sam holds both BS and MS degree in Metallurgical Engineering. He has over 20 years of experience in both engineering, operation and research of various areas in mineral processing, which covers gold, silver, copper and molybdenum, iron ore and coal. His expertise covers comminution, flotation, heap leach, Merrill-Crowe, advanced process control, and flowsheet development.
Pedro Rosales Valenzuela, Senior Engineer & Senior Designer
Pedro has over ten years of experience as a senior designer and draftsman for numerous mining projects and holds a BS degree in civil engineering. While at KCA, he has provided engineering and design support for various studies and detailed engineering projects including Ocampo and Pinos Altos.
David A. Kruth, Metallurgical Engineer
Dave received an MSc degree in Metallurgical Engineering from Mackay Institute of Earth Sciences and Engineering and began his career working at the Wharf Mine in South Dakota. In 2008, he joined KCA and has worked in the laboratory developing metallurgical test programs and conducting laboratory test work, with a focus on high pressure grinding roll (HPGR) comminution flotation testing and cyanide leaching.
Andrew Merritt, Control Systems and Instrumentation Manager
Andrew holds an Associate of Science degree in Electro-Mechanical Drafting from High-Tech Institute (HTI) in Phoenix, AZ and is a Certified Control Systems Technician level 2 (CCST II) earned from the International Society of Automation (ISA). After HTI, Andrew started at Applied Industrial Controls (AIC) in Reno, Nevada, drawing electrical circuits, mechanical layouts and control loop drawings while learning to layout and wire control panels, where he was eventually promoted to shop manager. When George T. Hall Company (GTH) purchased AIC, an opportunity arose for Andrew to become a Programmable Logic Controller (PLC) and Human Machine Interface (HMI) Programmer as well as Project Manager. Now at KCA, Andrew builds and installs control panels and performs the machine wiring on KCA’s Carbon Converters and the programming on PLCs, HMIs and Variable Frequency Drives.
Caleb D. Cook, Support Engineer
A 2010 graduate from the University of Nevada, Reno, Caleb holds a BS in Chemical Engineering. Caleb and is a licensed Professional Engineer in the state of Nevada. Caleb has been with KCA for more than 8 years where he has worked as a Support Engineer and Project Manager on mining projects all over the world.
Jim Estes, Procurement Manager
Jim is in charge of KCA’s purchasing, shipping and logistics, and has handled all aspects of these activities for over 100 projects located throughout the world. He is an expert on the sourcing of mining-specific supplies and equipment, and the appropriate methods and shipping companies for moving materials ranging from lightweight parts, to heavy plant components, to hazardous substances. Many overseas clients purchase US-sourced parts and supplies through KCA because we add this extra level of service.
Alexander J. Hesketh, Metallurgical Engineer
Alex holds a BS and MS degree in Metallurgical Engineering with an emphasis in hydrometallurgy from the University of Utah. Alex’s graduate research was in chloride pre-treatment for copper ore heap leaching applications. Prior to joining KCA, Alex worked as a intern at Freeport-McMoRan and Oasis Petroleum.
Kylee Koch, Metallurgical Engineer
A University of Nevada graduate, Kylee holds a BS degree in Metallurgical Engineering with an emphasis in Mining Engineering from the Mackay School of Mines. Additionally, Kylee also holds a minor in Geology. Prior to joining KCA, Kylee worked as a laboratory technician for a local metallurgical testing company.
Claudio Martinez, Metallurgical Engineer
Claudio holds a BS degree in Metallurgical and Civil Engineering and is fluent in both English and Spanish. He has provided engineering services for the mining industry since 2012 and while at KCA has been directly involved with modular equipment fabrication, project feasibility studies, process design and evaluation, equipment procurement, construction management, commissioning, project start-up, personnel training, and mining operations management.
Dan Whiteley, Mining Engineer
A Mackay graduate, Dan holds a BS degree in Mining Engineering with a minor in Geology. He has spent his time at KCA involved with numerous NI 43-101 compliant studies including the design of various process details, water and mass balances, equipment sizing and trade-off studies. Dan has also been involved in the development of research and development projects such as the KCA Carbon Converter and has experience in laboratory test work and milling.
Brandon C. Williams, Support Engineer/Assistant Laboratory Manager
Brandon holds an MS in Ceramic Engineering from Alfred University, Alfred, New York, and a BS in Materials Science and Engineering from the University of Nevada, Reno. Prior to joining KCA, Brandon was a research assistant focusing on nanomaterials synthesis and processing. He is currently an assistant laboratory manager for KCA.
Luis F. Barragan, Metallurgical Engineer
Luis holds a BS degree in Metallurgical Engineering with a minor in Mining Engineering from the Mackay School of Mines. Prior to joining KCA, Luis worked as a junior engineer for Metal Recovery Solutions and was a laboratory technician for a metallurgical testing company in Sparks. Additionally, Luis is fluent in English, Spanish, and French.
Nick Valdez, Metallurgical Engineer
Nick holds a BS degree in Materials Science and Engineering from the University of Nevada, Reno. His engineering experience includes lab project management, metallurgical test program design and optimization, and process engineering. Currently, Nick is a project manager for KCA’s research and development program.
John Walsh, Metallurgical Engineer
A recent University of Nevada graduate, John holds a BS degree in Mining Engineering with an emphasis in Metallurgical Engineering. While at KCA, John has worked as a lab technician on many lab and research projects including the KCA Carbon Converter and has provided engineering support on various engineering projects.