Mateus Evald is a geological engineer, working as Chief Operating Officer at Columbia Technologies. With more than a decade of experience in environmental investigation, remediation, and high-resolution site characterization (HRSC), Mateus has worked with a broad suite of HRSC technologies at sites ranging in size and complexity from gas stations to the largest steel mill in Latin America. Based in Brazil, he serves clients and technical teams internationally across the Americas, focusing on translating high-resolution data into practical conceptual site models, evaluation of remediation strategies, and better environmental decisions. His work combines field-based technical experience with the evaluation, development, and application of data-driven tools for contaminated site management.