Frits Reidel has more than 30 years of working experience on water and infrastructure related projects for the mining industry in North and South America. As a hydrogeological consultant he has guided characterization programs, permitting, and construction of water supply, and open pit dewatering systems for several large-scale copper and gold mining projects in Argentina, Bolivia, Chile, Peru, United States and Venezuela. Frits also has extensive experience in the evaluation of brine resources and was closely involved with the initial resource evaluation and feasibility of Salar de Hombre Muerto (FMC) in 1992/1993; Member of the Technical Committee of LAC for the exploration and brine resource evaluation of Salar de Cauchari in 2009/2010; participated in the resource evaluation for the Feasibility Study of Salar de Olaroz (Orocobre Ltd.) in 2010/2011. He is MSB Blanco since 2011, on the Cauchari JV for Advantage Lithium / Arcadium since 2016, on the Ore Reserves of the Centenario Project for Eramet since 2021, the Sal de Los Angeles Project for TSR since 2016, and the PG Project for LAC since 2022. He is co-author of the ‘best practice guidelines for the estimation of brine resources and reserves’ under Ley CH 20.235 prepared for the Chilean Mining Commission. Frits is a Certified Professional Geologist (CPG # 11454) with the AIPG; a registered competent person (PC # 390) with the Chilean Mining Commission.

Fernando Martín has more than 15 years of experience as an exploration geologist in the mining industry. He has participated in the design, execution, and management of exploration campaigns of brine and polymetallic deposits. He has led and participated on teams responsible for developing conceptual hydrogeological models, implementing international standards of Quality Assurance and Control (QA / QC) for explorations campaigns, and evaluation and estimation of natural resources. Specific lithium project experience includes the FS of the Olaroz Lithium Project (Orocobre Ltd.) in 2008-2011; FS of the Sal de los Angeles Project (LiX Energy Corp) in 2017-2018; the exploration, PEA and PSF for the Cauchari JV (Advantage Lithium) in 2016-2019; Minerals Resource update for the Pastos Grandes Project (LAC) since 2021, and Managing Geologist of all drilling and testing campaigns carried in Salar de Maricunga (MSB) from 2012 to date. Fernando is a registered ‘Director Tecnico’ with the Secretaria de Recursos Hidricos in Salta.

Dr. Cho has more than 30 years of experience, more than 20 years in consultancy and 10 years in the research and teaching of physical and contaminant transport modelling in soils and fractured bedrock groundwater systems. Her experience also includes site characterization, baseline analyses, contaminant delineation and remediation, hydrological analyses and geotechnical assessments as well as fractured rocks, including prefeasibility, feasibility, open pit and underground mines studies, and the evaluation and numerical simulation of brine resources and reserves around the world. Dr. Cho is an expert in the use of MODFLOW, FEFLOW and SEEP/W for modelling saturated and unsaturated flow systems.

Mike is our go-to expert for recharge and vadose zone studies, and laboratory analyses of hydraulic properties of salar sediments. Mike has over 25 years of experience with the development, implementation, and management of hydrogeologic and geochemical studies. He has a broad range of project management experience on groundwater recharge studies, mine waste cover system design, riparian habitat restoration and monitoring, monitoring of natural groundwater recharge in a variety of environments, and heap leach hydrodynamic studies. He has authored or co-authored over 40 refereed publications on groundwater recharge, vadose zone characterization and modelling, mine reclamation and habitat restoration. GSA operates a hydraulic properties laboratory that provides state-of-the- art services for the characterization of brine deposits.

Michel Kleeberg has seven years of experience in hydrogeology projects, contemplating the development of conceptual and numerical models of various systems located in Chile, Bolivia and Argentina. He has participated in projects with fractured rock, in brines and in vadose zone systems; including the hydrogeological modelling of the Candelaria district (Candelaria 2040 operational continuity project, Lundin Mining), the one developed for the Cauchari Salt Flat (Cauchari JV Project, Advantage Lithium) and the numerical modelling of the Sugar Loaf Gorge (KGHM Polska Miedź). Additionally, it has developed water availability studies in altiplanic basins, studying its relationship with the existence of azonal vegetation bodies, including the characterization of unsaturated areas and their subsequent numerical modelling in pilot sectors of the Salar de Maricunga (Blanco Project, Minera Salar Blanco ). Currently, he is involved in the development of hydrogeological models for unconsolidated systems situated on the Altiplano, along with the implementation of brine reinjection programs for selected basins.

Robin Dufour is the Managing Director of DHI Peru with more than 10 years of experience in numerical modelling. He has been in charge of several modelling projects in Peru and the world, including Lumina Coppers, The Galen Project, Antamina Mine, and the Quechua Project, among others. Extensive experience in FEFLOW and MODFLOW-SURFACT for hydrogeological modelling, including reverse modelling (PEST) and sensitivity analysis for saturated and unsaturated flow systems. Experience in ArcGIS, MATLAB, C ++, 3DGeomodeller (high-level 3D geological modelling software) and Leapfrog systems, which are important tools to support hydrogeological studies.

Rodrigo Uribe has led the resource estimation of various brine projects in Chile and Argentina using practical and theoretical geostatistical knowledge according to the demands required by clients for the different stages of the projects in which he has participated. Rodrigo has 10 years of work experience where he has worked in the construction of different resource models for brine and mining projects. In mining projects for Buenaventura mining company and in consulting work for projects around de latin america.He was part of the resources evaluation in Salar de Maricunga (Li3 Energy and Minera Salar Blanco) and since 2018 in Cauchari JV (Advantage Lithiun) and the Sal de los Ángeles Project (LiX Energy Corp, Tibet Summit).

Gonzalo Sánchez is a geologist with more than 10 years of experience in exploration and development projects in salars, with a specialized focus on lithium and brines. He has led and coordinated hydrogeological campaigns, drilling programs, and environmental monitoring in Chilean salars, especially in the Antofagasta and Copiapó regions. In addition, he served as a lecturer in the Geology program at the Universidad de Atacama from 2015 to 2023. His experience includes developing geological models for lithium projects in deep aquifers, excelling in resource optimization and supervising pumping tests and variability analyses in salars. Key projects include exploration and oversight of campaigns in salars of the Atacama Region (3rd Region), such as Cleantech (2021–2024), Laguna Verde, Laguna Negro Francisco, Laguna Brava, and Salar de Aguas Calientes, as well as lithium consulting projects for companies and private clients. He has been actively involved in implementing QA/QC protocols based on drilling and sampling results, coordinating multidisciplinary teams, and delivering technical reports to support production model development in salars.

With 9 years of experience, Nicole Blin holds a degree in Hydraulic Civil Engineering from the Pontificia Universidad Católica de Chile, where she later earned a Master’s and then a PhD in Engineering Sciences, both focused on numerical groundwater modeling in arid Altiplano systems. Her research centered on evaluating groundwater–climate change interactions in high-mountain environments. During her postdoctoral work at the University of Massachusetts Amherst (USA), she developed conceptual and numerical models, integrating remote-sensing data to estimate evapotranspiration in salars in Chile and Argentina. Her work also included analyzing aquifer system responses to sea-level rise scenarios in Massachusetts and studying subsurface storage evolution in the Salar de Atacama using combined GRACE and InSAR satellite datasets. She currently participates in groundwater modeling projects for the mining sector, aimed at sustainable water-resource management in arid environments of northern Chile.

Gabriel Aramayo Booth has over 4 years of experience in the planning and development of exploration and production brine wells for lithium projects. He has been involved in several mining projects as an exploration geologist, both for contractor companies and operators. He has also participated in the technical management of exploration and production wells for both freshwater and brine.

Currently, he works as a hydrogeologist at Atacama Water, overseeing field activities for geologists, planning pumping tests, and interpreting data obtained from those tests.

Jorge Marín has more than two years of experience in hydrogeological projects, with a strong focus on salar environments. He has participated in field campaigns, carrying out geological–geotechnical core logging, conducting detailed analyses of water samples (fresh, brackish, and brine), and providing hydrogeologic interpretations to support decision-making and technical reporting. In 2023, he contributed to the Llamara (CleanTech Lithium) and Molle Verde (Lithium Chile) projects, and he currently supports the implementation of infrastructure for hydrogeological research on wetlands in the Blanco Project (Minera Salar Blanco).

Longyan Shen has more than 10 years working in business development across Asia, Europe and Latin America. As a social psychologist, she navigates among multicultural business environment, identify customer needs, and achieve effective negotiation and deal closing. She is experienced in the life cycle of the project from business identification, strategic planning, supply chain, and technologies around the execution, ultimately providing customer solutions with long-standing relationship.

Maria Jose have been in charge of negotiations with clients, as well as in the optimization, monitoring, and control of different projects. Developing administrative procedures that allow managing the financial administration of the companies where she has worked. Maria Jose has an expertise on different accounting software that allows to orchestrate all the logistical actions for a good development of the projects and thus satisfy customer demand. Maria Jose coordinates the programs, security policies, activities and administration of human resources, ensuring the well-being and safety of the work team.