ABOUT
US

WHO
WE ARE?

Grupo JRI is a network of highly competitive and efficient companies that work collaboratively to provide specialized engineering, technology, and management services to the mining, industrial, and infrastructure markets.

Our parent company, Grupo JRI SpA, oversees and coordinates its subsidiaries, which operate autonomously while adhering to shared principles and policies.

A brochure of Grupo JRI can be downloaded by clicking here, whereas a corporate structure chart of the conglomerate can be obtained by clicking here.

CORPORATE
GOVERNANCE

Chairman of the Board of Grupo JRI

Juan Rayo Prieto

Mining Engineer from Universidad de Chile, with 50 years of experience and postgraduate studies in countries such as Canada, the Netherlands, South Africa, and Australia. Founder of JRI, he has led innovative mining projects nationally and internationally, and held multiple managerial and executive roles, particularly at JRI, where he served as Technical Manager, General Manager, and Chairman of the Board on various occasions. He has extensive academic and applied research experience, and is a benchmark in technical audits and strategic planning. He currently serves on the boards of all subsidiaries and affiliates of Grupo JRI, and acts as Chairman of the holding company.

Founding Director of Grupo JRI

Nora Calderón Díaz

Businesswoman with over 40 years of experience. Co-founder of JRI, where she served for more than 20 years as Administration and Finance Manager. She has played an active role as a board member of JRI and several of its subsidiaries. She currently serves as director of both JRI and Grupo JRI.

Member of the Board of Grupo JRI

Juan David Rayo Calderón

Electrical Civil Engineer from Universidad de Chile, and Master in Applied Mathematics from Pierre and Marie Curie University, France. Specialist in technological innovation, simulation, and numerical modeling. With over 15 years of experience, he has served as Head of Technological Development at JRI, and as director in various subsidiaries and affiliates of Grupo JRI. Past-President of Minnovex, he currently chairs the boards of CIMS-JRI and REICH-JRI, and is a member of the Board of Grupo JRI.

Member of the Board of Grupo JRI

Sebastián Rayo Villanueva

Hydraulic Civil Engineer and M.Sc. in Hydraulic Engineering from Universidad de Chile, M.Sc. in Hydraulic Engineering from Delft University of Technology, Netherlands, and MBA from Universidad Adolfo Ibáñez, Chile. He has over 20 years of experience in the mining industry, participating as project manager, discipline lead, and project engineer in various areas, such as long-distance solids transport systems, hydroelectric generation, process diagram definition, and instrumentation. He is currently Manager of the Pipelines Business Unit at JRI, and serves on the boards of JRI, Grupo JRI, and Gerenpro, chairing the latter.

Member of the Board of Grupo JRI

Juan Medel Fernández

Industrial Civil Engineer from Pontificia Universidad Católica de Chile. With over 40 years in the mining industry, he has developed and implemented high-productivity management models, and held executive roles at Codelco, including: General Manager of Radomiro Tomic Division, General Manager of Ministro Hales Division, Strategic Planning Manager at Chuquicamata Division, and Corporate Vice President of Shared Services. He is an expert in large-scale project evaluation, and in building and leading high-performance teams at managerial, professional, and technical levels, with a broad strategic business vision and a strong commitment to corporate social responsibility. He currently serves on the boards of Grupo JRI, CIMS-JRI, REICH-JRI, Gerenpro, and chairs the board of JRI.

Member of the Board of Grupo JRI

Gonzalo Araujo Alonso

Chemical Civil Engineer from Universidad Técnica Federico Santa María, Chile, and Ph.D. in Chemical Engineering from the University of Pittsburgh, USA. With nearly 40 years of experience in the mining industry, he has held various leadership and managerial roles at CIMM, Codelco, and SCM Minera Lumina Copper Chile, ultimately serving as Executive President and General Manager of the latter.

Member of the Board of Grupo JRI

Alexander Letonja Cepeda

Lawyer from Universidad de Chile, and Master in Tax Law from the same institution. Founding partner of Letonja & Abogados, he specializes in national and international tax advisory, and has extensive experience in business and corporate restructuring. He has been a professor at Pontificia Universidad Católica de Chile and Universidad de Chile, and is a member of the Chilean Institute of Tax Law and the International Fiscal Association (IFA).

Member of the Board of Grupo JRI

María Cristina Effa Raggio

Industrial Civil Engineer and M.Sc. in Industrial Engineering from Pontificia Universidad Católica de Chile, with postgraduate studies at Stanford University, USA. She has extensive experience in strategic planning, management control, project and investment evaluation, and revenue management, particularly at LAN Airlines, where she worked for about 10 years in various executive positions. She is currently Chief Investment Officer at Inversiones Torca, and a board member of several companies.

CEO of Grupo JRI

Francisco Rayo Calderón

Industrial Civil Engineer from Pontificia Universidad Católica de Chile, MBA and Master in Finance from Universidad de Chile, and MBA from Tulane University, USA. Specialist in Corporate Finance, he has nearly 15 years of professional experience, including 7 years as Administration and Finance Manager and 3 years as Controller, both at JRI. He also has over 10 years of experience as a board member of various Grupo JRI companies, including JRI and CIMS-JRI.

PURPOSE

To effectively and sustainably support the development of the mining industry, striving to maximize the potential of the capabilities and talents of Grupo JRI’s workforce.

VISION

To be recognized as the benchmark business group that provides the highest level of trust in specialized services within the South American mining industry.

MISSION

To offer specialized services, primarily for the mining sector, through a network of highly competitive and efficient companies.

OUR
VALUES

PEOPLE COME FIRST

  • We work in a safe, healthy, and comfortable environment, fostering a positive workplace atmosphere, and contributing to a good quality of life for our employees.
  • We promote and recognize participation, growth, and individual creativity, offering a clear and motivating professional career path.
  • We respect all workers’ rights and strive to provide market-aligned compensation and profit-sharing opportunities.
  • We prioritize job stability over market opportunism.
  • We seek employees who wish to stay with us for the long term.
  • We aim to develop a diverse and discrimination-free workplace.
  • We emphasize mutual respect, regardless of position, age, or gender identity.

WE ADD VALUE TO OUR CLIENTS

  • We understand our clients’ concerns and objectives, making their goals and commitments our own, contributing to the sustainable development of their business.
  • We strive to anticipate industry challenges and opportunities, providing appropriate solutions.
  • We are responsible for promising only what we can deliver.
  • We ensure that all our analyses and results are repeatable and verifiable.
  • We are committed to quality work and the pursuit of excellence.
  • We adapt to our clients’ procedures, schedules, and goals, promptly informing them of any difficulties and unforeseen events.

WE ACT WITH INTEGRITY

  • Honesty, sincerity, and integrity are the foundation of our actions, always present in everything we do.
  • We fully comply with all legal requirements.
  • We promote a culture of self-care in every aspect of the workplace.
  • We foster a broad ethical mindset in all our operations.
  • We always seek fair agreements for both parties, act in good faith, fulfill our commitments, and respect what we agree upon.
  • We firmly believe that mutual trust always leads to more fruitful and lasting relationships.
  • Our communications strive to be accurate, complete, and truthful. We never hide problems or shortcomings.

WE CONTRIBUTE TO THE DEVELOPMENT OF MINING

  • Our greatest assets are the knowledge we have acquired and our analytical capabilities to solve technical challenges.
  • We always work at the forefront of knowledge, applying the latest technological advancements while verifying immutable physical and chemical principles.
  • We are methodical in recording and accumulating the information we generate.
  • We actively participate in the country’s development alongside various trade associations and professional organizations.
  • We are always available to fulfill urgent technical requests, resolve emergencies, and undertake activities that require extreme flexibility.
  • We consistently support the relevant authorities when requested, offering our insights without hesitation.