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Who leads PMI International

PMI’s leadership brings together the group’s experience in critical infrastructure since 1983, the operation of projects in Mexico and their financial structure. It is the same team that leads GIS Power.

Portrait of Winston D. Wallis, Chief Executive Officer of PMI InternationalChief Executive Officer

Leadership team

Winston D. Wallis

President of the PMI International group. He acquired PMI in 2001 and founded GIS Power. Earlier he was general manager for Mexico at GTE Data Services (now Verizon), where he worked for 11 years, vice president for Latin America at Brokat Technologies and president of KPT Technologies. He has led mission-critical data centers for Mexico City Airport, BBVA, Alestra and HSBC, and cogeneration plants such as Biotek, Logistik and Bosque Real.

Portrait of P.M. Jonathan Luna R., Chief Operating Officer of PMI InternationalChief Operating Officer

P.M. Jonathan Luna R.

Leads project development, construction and operations. More than 15 years across energy, finance and industrial strategy in Mexico. Co-founder of GTO Energy and, from 2016 to 2023, partner and head of projects at Grupo Energos. Earlier, financial planning and analysis at GM Financial. MBA in Financial Management from EGADE Business School and a bachelor’s degree in Financial Management from Tecnológico de Monterrey. Certified by AMIB, the Mexican Association of Securities Intermediaries, as an Investment Strategy Advisor (Figura 3).

Portrait of Jonatan Peralta, Chief Financial Officer of PMI InternationalChief Financial Officer

Jonatan Peralta, CPA

Leads administration, finance and the financial structure of projects. More than 20 years in finance and administration at multinational companies such as Unilever, Conagra Foods and Deloitte, in financial planning, sales finance, procurement and controlling. He has implemented organizational structures and internal control policies. Bilingual in Spanish and English.

Honorary advisory council

Consulted on specific matters

Retired advisors with a long history in the group, whom PMI consults on specific financing, engineering and legal matters.

Winston F. Wallis

For 28 years he was an executive at the Inter-American Development Bank: 17 at its Washington, D.C. headquarters as senior loan officer, project manager and secretary of the Procurement Committee, and 11 as project manager and Bank representative in Latin American and Caribbean countries, including Mexico and Brazil. He later led teams on a USD 200 M reconstruction program financed by the World Bank and the IDB, and on a USD 460 M infrastructure and security project.

Michael Pore

More than forty years designing and building data centers, cogeneration plants and critical power systems. Responsible for the engineering of more than 100 data centers worldwide. He served 20 years in the US Navy and Air Force, installing power plants at bases in Spain, Italy, Germany and Japan. He was the group’s vice president of engineering from 1995 and senior engineer at PMI and GIS Power in Mexico.

Juan Carlos Arreola

Partner and the group’s legal director from 2004, when PMI established itself in Mexico as Power Management Engineering (PME). He supported the legal and contractual structure of the group’s companies in Mexico. PMI consults him on legal and contractual matters.

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