International Arbitration

Thanks to our success and experience as independent valuation advisors, RIóN has been invited to participate in different International Arbitration cases.

Currently, RIóN offers a team of experts with proven experience in the different stages of an International
Arbitration process, providing expert testimony for defendants as well as claimants in diverse cases under the ICSID, ICC and UNCITRAL Rules, and administered by ICSID, ICC and the PCA.

Also, RIóN together with other Experts builds multidisciplinary teams to address clients’ needs in construction cost cases and in sectors like energy, mining, tourism, agroindustry, among others.:

  • Construction expert support in an ICSID case relating to a Toll Concession in the Dominican Republic.
  • Electricity dispatch modelling and regulatory expert support in a Political Risk Insurance dispute under ICC rules involving a transborder gas pipeline between Argentina and Chile and a combined cycle plant in Chile.
  • Electricity dispatch modelling and regulatory expert support in an ICSID case involving different power plants in Argentina.
  • Direct advise by an industry expert to validate key assumptions for profitability ratios in the Azucarera del Guadalfeo case.

Selected cases

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  • Gobierno de la República Dominicana

    Country: Dominican Republic

    Sector: International Arbitration

    Expert witness in case CPA No.2020-01, Azucarera del Guadalfeo, S. A. de C.V. and Joaquín Francisco Martín Montero vs. Dominican Republic. RIóN acted as expert in damage valuation on behalf of the Dominican Republic.

  • Gobierno de la República Dominicana

    Country: Dominican Republic

    Sector: International Arbitration

    Expert witness in case CPA No.2022-01, Private investor vs. Dominican Republic. RIóN acted as expert in damage valuation on behalf of the Dominican Republic.

  • Secretaría de Economía

    Country: Mexico

    Sector: International Arbitration

    Expert witness in CIADI Case No. ARB(AF)/04/1, Corn Products International Inc. vs. United Mexican States. RIóN acted as expert witness in damage valuation for the Ministry of Economy.

  • Secretaría de Economía

    Country: Mexico

    Sector: International Arbitration

    Expert witness in CIADI Case No. ARB(AF)/04/3, Gemplus, S.A. and SLP, S.A. vs. United Mexican States. RIóN acted as expert witness in damage valuation for the Ministry of Economy.

The Intl. Arbitration team

Alexander von Griesheim Reimers

Alexander joined RIóN in 2005 as an Associate and since then he has successfully advised and closed transactions with over 80 customers in sell-side and buy-side mandates in the pharmaceutical, automotive, financial, business services, manufacturing, oil & gas, consumer, food and beverage sectors. Since joining RIóN, Alexander has managed to close deals between family owned companies and large multinational companies, sold companies during restructuring processes, acquired subsidiaries of larger companies, and has advised 2 companies under chapter 11 proceedings. Has also advised PE Funds in their exit of portfolio companies. In order to fulfil client’s needs, Alexander has managed to find creative solutions to bridge valuation gaps, as well as other relevant differences and needs of counterparties, taking into account that family owners and large corporates have different or diverse objectives

Prior to joining the firm, Alexander was an Associate at Aguilar Portilla y Asociados, S.C., a mid-market investment banking firm, where he successfully led various projects in the bottling, agribusiness, publishing, advertising and health care industries. Simultaneous with his responsibilities at Aguilar Portilla y Asociados, he was co-founder and regional manager at Secresi, S.C., a web-based company focused to follow up on creditors in the financial and industrial sectors.

Alexander earned a B.A. in Business Administration from Universidad Iberoamericana (Special Honors), and an International MBA from Instituto de Empresa (IE) Business School (Spain).

Markus Kritzler Ring

Markus has had extensive international experience across functions and industries, working for the last 15 years in investment appraisal, mergers and acquisitions, private equity and venture capital. He currently participates in the Board of Directors of Grupo Expansión (media), Ánfora International (porcelain manufacture and distribution for hotels), Kwan (pet snacks company), and in various real estate projects (hotels, residential and offices). He was also a shareholder and advisor in a microfinance company in Mexico (sold to Advent International), an Afore (administrator of private pension funds in Mexico), in an alternative financing company for consumers in the health sector (USA) and a secure payment settlement operation (Mexico), among others. Makus has provided oral testimony in two international arbitration cases.

Previously, Markus led corporate strategy at Lafarge Holcim (Zurich, Switzerland), where he oversaw the development and implementation of a global strategy, including investment evaluation, asset sales, and capital allocation to strategic priorities. Prior to his experience at Holcim, Markus was a partner at FGA, an M&A and investment banking boutique in Mexico City, where he participated in more than 40 transactions ranging from 10 to 120 million USD.

Markus has a degree in Industrial Engineering from Universidad Iberoamericana, with postgraduate studies in Inorganic Materials Technology at the FH Georg Simon Ohm technological university in Nuremberg and received an MBA from the Darden School of Business at the University of Virginia. He has also participated in executive courses at the HEC in Paris and at the Lausanne IMD.

He has submitted studies about economic impact and competition as a result of proposed mergers to the competition authorities of the European Commission and the Chinese government. Additionally, and as part of his M&A advisory work, Markus has prepared numerous asset and project valuations, evaluating approximately USD 10 billion in investments in different parts of the world.

Since 2008 he has taught a valuation course at Universidad Iberoamericana focusing on financial assets and projects, as well as capital markets and corporate finance in the Financial Engineering course. Markus was born in Mexico and speaks Spanish, English and German.

Eduardo Pacheco Villagrán

Eduardo has 30+ years of experience as a CEO/COO, member of Boards of Directors and Consultor for senior management of companies. He was CEO of Globalstar de México, winning Enciclomedia, one of the largest projects worldwide, monitoring nearly 300,000 assets in Mexico; he sold a data transmission company to Telefónica de España with which they entered the Mexican market, and he was President of Globalstar Operators worldwide. As Vice President of Planning of Grupo Casa Autrey, he made acquisitions in the drug and office supplies industries, presenting before the competition authorities in Mexico.

In Consulting, he was at McKinsey & Company, where he carried out projects worldwide in the hotel, aviation, energy, banking and consumer products industries, highlighting the definition of the Independent Power Producers in Mexico. As a Partner of Kearney, he carried out projects of various kinds, highlighting an inorganic growth project for a leading telecommunications operator in Latin America, defining various investment alternatives between US$750M and US$1.0bn, and another project for a leading global technology company for the creation of smart manufacturing clusters in Mexico for the development of regional GDPs. At Deloitte, he was the Lead Partner for the entire Strategy and Operations Consulting practice. Eduardo has provided oral testimony in two international arbitration cases.

Eduardo has been a Counselor in fashion product companies, one of the leading digital marketing companies in Mexico and the International Strategy Association based in Chicago. He has also been a professor in the Master of Business Administration at ITAM, and in the School of Administration, Psychology and Actuary at Anáhuac University.

Eduardo is an Actuary from Anáhuac University receiving the National Actuary Award in 1991. He has a master’s degree in Business Administration from ITAM and Executive Education Courses from Stanford University in Finance and from the Wharton Business School in Strategy as well as a diploma in Corporate Governance from the Mexican Stock Exchange.

Eduardo was born in Mexico and speaks Spanish and English with certificates from Oxford and Cambridge.

Diego Martín Bondorevsky

Diego is an economist with more than 25 years of professional experience, specialized in damages valuation in International Arbitration, Regulation and Antitrust. He has provided written and oral testimony as well as expert advice in almost thirty cases for companies such as LECG, Compass Lexecon and Quadrant Economics. He has conducted damages assessments in different Latin-American countries, as well as economic and financial analysis related to sectors like power generation, oil & gas upstream, utilities, mining, telecommunications and tool concessions, among others.

He has been described in the Who’s Who Legal as “first class” and “a tough expert to find yourself opposing in an arbitration.”

In the regulatory field, Diego worked as a regulatory advisor on tariff and contractual reviews for the world’s largest concession in terms of airport coverage. In the public sector, he was in charge of fare subsidies for urban public transport for the main province of Argentina (Buenos Aires) from 2017 to 2019. In turn, Diego has carried out economic-financial valuations of mega transport projects such as the road corridor “Western Europe-Western China” in Kazakhstan, and others in Bolivia and Argentina for the World Bank and Fonplata. In energy matters, Diego has been involved in various projects such as: Analysis, revisions and tariff impacts for Eskom (South Africa), gas distributors and transporters of Chile and different Regulatory Commissions in Latin

Diego has a comprehensive knowledge of the forms that investment in infrastructure takes in Latin America and the Caribbean since he has led the Infralatam Project since 2012, sponsored by the Inter-American Development Bank (IDB), the Bank of Development for Latin America (CAF) and the United Nations. At Infralatam, Diego has reviewed and analyzed the different public-private partnerships and concessions through which infrastructure is invested in across 23 countries of the region.

Diego has a degree in Economics from the University of Buenos Aires (UBA) and Msc. in Economics from the University of London (LSE).