• Enrique Ostalé *

    Independent Director and Chairman - Member since 2013

    Chairman of the Board of Directors of Walmart Mexico and Central America, and Walmart Chile. Commercial Engineering, Major in Business Administration (Adolfo Ibáñez University, Chile) and MSc in Accounting and Finance (London School of Economics (LSE). Appointed 24 February 2016.

    Enrique Ostalé assumed his expanded role in February 2016 after serving as president and CEO of Walmart Mexico, Central America and Latin America. From 2006

    to February 2013, Enrique served as president and CEO of Walmart Chile. His experience in this latter post included his leadership of the successful transition of the D&S chain, acquired by Walmart Inc. in 2009, into today’s Walmart Chile. Part of his work involved imprinting the seal of Walmart’s corporate culture on the organization, adopting along with his team the mission of “helping people save money so they can live better” and incorporating the promotion of sustainability as one of the operational pillars of the business.

    Enrique joined D&S in 1989, serving initially as manager of its financial division, then of its merchandising division and subsequently as manager of its Lider format

    before becoming its CFO. In 2000, he left the company to take up a position as CEO of Emol, the online service of the El Mercurio newspaper. Between 2002 and 2006,

    he was dean of the Business School of the Adolfo Ibáñez University before returning to D&S as its general manager, president and CEO.

    In 2012, he received the “Executive of the Year” prize awarded by Ernst & Young and the El Mercurio newspaper.

  • Adolfo Cerezo *

    Independent Director - Member since 2012

    Studied Chemical Engineering at the National Autonomous University of Mexico and holds a Master’s degree in Business Administration by the IPADE Business School.

    He has also studied postgraduate courses at the University of Southern California’s Future Research Center and the Harvard Business School.

    He worked for TELMEX as Chief Finance Officer since 1991 until August 2011, when he retired. Before holding this position, he held several positions since joining

    TELMEX in 1978, including Treasurer and Financial Analysis Manager.

    He has been a member of Banco Inbursa’s Board of Directors, a member of the Executive Committee for all TELMEX subsidiaries, a World Bank’s Consultant, Chairman to the Mexican Stock Exchange Issuers’ Committee, Teaching Professor at the National Polytechnic Institute’s master’s courses and a speaker at various finance and telecommunications forums.

  • Ernesto Cervera *

    Independent Director - Member since 2014

    CEO and co-founder of GEA since 1990. Born in Mexico City in 1958. An economist from ITAM (1984), his B.A. dissertation received first place in the Tlacaelel Consulting Award granted by International Consultants, and honors from the Banamex National Economics Award.

    In 1986 he received his Master’s Degree in Economics and in 1988 advanced to Ph.D. candidacy at UCLA. In 1987-1988 he was awarded the Sloan Fellowship for

    research on foreign trade.

    From January 2006 up to the present he is the CEO of Grupo de Economistas y Asociados (GEA), firm in which he has been partner-consultant since 1990, and where

    he has participated in more than 200 consulting projects.

  • Kirsten S. Evans

    Director - Member since 2018

    Executive Vice President, Marketing for Walmart Canada. Kirsten is responsible for leading Walmart Canada’s marketing strategy and the Walmart Media Group, along with the Financial Services business unit.

    Prior to her international assignment, Kirsten was Senior Vice President, Corporate Marketing in Walmart US where she was responsible for the Walmart brand

    and media strategies as well as supporting strategic initiatives for Merchandising and omni-channel growth. Kirsten was actively involved in integrating Walmart’s

    enterprise marketing teams to improve customer experience and gain scale in an ever-changing retail environment.

    Kirsten was named to Ad Age’s 2016 Women to Watch and is an inaugural executive member of the Walmart Entertainment Council, whose charter is to elevate

    partnerships and opportunities with leading entertainment companies.


  • Guilherme Loureiro

    Director - Member since 2016

    Executive President and CEO of Walmart Mexico and Central America since February 2016. He started his career in Walmart in 2012, assuming the role of Executive President and CEO of Walmart Brazil in 2013. He worked for over 20 years for Unilever performing several roles in different markets including Global

    Head of M&A, CEO México, Global Head of Strategy, Chairman of Unilever Ventures and CFO for Americas.

    Guilherme holds a Bachelor degree in Business Administration, a Master Degree and Doctorate in Business Administration by the Universidad Fundação Getulio Vargas in Sao Paulo and has attended the TGMP at Harvard.

  • Richard Mayfield

    Director - Member since 2015

    Executive Vice President and Regional CEO for Walmart Mexico, Central America, Canada and the U.K.

    Before being appointed to his current role, he served as Senior Vice President and CFO of Walmart’s Europe, Middle East and Africa (EMEA) Region, International Strategy, Mergers and Acquisitions and Financial Services. 

    Richard joined Walmart Inc. as Financial Director for Walmart’s U.K. business, ASDA. He has a variety of experience in financial and strategic leadership roles at retailers, including Kingfisher, House of Fraser and Waitrose, as well as strategy consulting experience with L.E.K. Consulting.

    Richard has a BSc in Economy from the University of Cambridge and is a Fellow of the Royal Society of the Arts.

  • Roberto Newell *

    Independent Director - Member since 2014

    Vice President and Senior Fellow of the Instituto Mexicano para la Competitividad, A.C., (IMCO), a privately sponsored, independent think- thank located in Mexico City, whose mandate is to analyze and propose policies that will enhance Mexico’s competitiveness in the global economy.

    During 2003, he served as Deputy Secretary for Agribusiness in Mexico’s federal government, having previously served in the same administration as the CEO of the Fideicomiso de las Empresas Expropiadas del Sector Azucarero, a holding company that operated the 27 sugar mills that were taken over by Mexico’s government as part of a turn-around program for these failed sugar mills.

    Between 1984 and 2001, Newell worked for McKinsey & Co., Inc., the international consulting firm. He retired as a Director (senior partner) of the Firm. During his years as a consultant, he served clients throughout Latin America, the Caribbean and the United States. His clients included companies in the financial and telecommunications sectors, but Newell also served several national governments on issues of deregulation, privatization and financial sector crisis.

  • Eric Pérez-Grovas *

    Independent Director - Member since 2018

    Co-founder and managing partner of Jaguar Ventures, an investment fund created by Mexican e-commerce entrepreneurs dedicated to investing in Internet-based business models.

    He graduated with honors in Industrial Engineering, specializing in Finance at the Technological Institute of Monterrey. He also holds a master’s degree in Business

    Administration and Public Administration from Stanford University. In that university, Eric was elected co-president of the Association of Latin American Students of the School of Business and Vice President of the Association of Mexican Students in Stanford.

    Prior to the founding of Jaguar, Eric acquired experience in electronic commerce starting in 1999, when he opened and directed Mercado Libre Mexico. Since then

    he has served as executive director, investor and adviser in various Internet companies. Currently part of the advice of sites such as,,,, or He also provides support to entrepreneurs as a mentor to Endeavor Mexico. Eric  worked in the

    Strategic Consulting department of the companies McKinsey & Co. and Bain & Co. In these firms he collaborated in various strategic planning projects for companies in Mexico, the US and South America. In addition to his consulting experience.

  • Blanca Treviño *

    Independent Director - Member since 2006

    Co-Founder, President and CEO of Softtek, a global company dedicated to helping organizations evolve through digital technology. Under her leadership, Softtek has become the top IT services company in and from Latin America, having earned recognition from Gartner and Forrester Research as the only non-Indian provider to pose serious competition for the U.S. market. Throughout her 30-year career at Softtek, Blanca has gained international recognition as a promoter of the IT services industry in and from emerging countries—and most prominently from Mexico, with the rise of the Nearshore model.

    She has spoken at conferences for the World Economic Forum, World Bank, Inter-American Development Bank, Kellogg School of Management, Harvard Business

    School and Fortune. In 2019, WITI inducted Blanca into the Women in Technology Hall of Fame, and in 2018 she received the “Education Leadership Award” from

    Educando (formerly, Worldfund), for her contributions and influence towards improving education in Mexico.

    Blanca serves as the Vice President of the Mexican Business Council, is a member of the MIT School of Engineering Advisory Council, and board member of Walmart Mexico, the Americas Society and Council of the Americas, the Iberoamerican Council for Productivity and Competitiveness, Grupo Lala, The Mexican Stock Exchange, as well as universities, including her alma mater, Tecnologico de Monterrey (ITESM).

  • Tom Ward

    Director - Member since 2021

    Senior Vice President, Customer Product Innovation in the Walmart U.S segment. In this role, he has responsibility for the Online Pickup and Delivery business across the 3,500+ locations currently activated in United States. Tom also leads the teams focused on the creation and expansion of Walmart´s U.S., last mile delivery capabilities and businesses along with supporting applications for the customer product roadmaps and various Drone, automation and autonomous vehicle initiatives.  

    Tom began his Walmart career with Asda, the Walmart´s UK subsidiary, and has held a wide number of leadership roles across Central England before transitioning to the Asda Home Office, where he worked in Central Retail Operations supporting teams running Communications, Work Force Management, Asset Protection, Retail Operations and Online Grocery. 

    In 2013, Tom moved to the U.S. to work as Development Coordination Director in the Walmart International segment, where he had responsibility for supporting various teams across Strategy, Real Estate, M+A and Private Brands before localizing in Walmart U.S. business as Senior Director. 

    In this role, Tom helped build the foundation for Central Operations before expanding his responsibilities to Supercenters and promoting to Vice President leading teams for simplification, Walmart Academy, activity management and associate technology.

    Tom Holds a first class degree in Geography from Loughborough University, England.

  • Amanda Whalen

    Director - Member since 2021

    She was recently promoted to EVP and CFO for Walmart International. Prior, she was Senior Vice President & Treasurer for Walmart.  In this role, she has responsibility for global Treasury, Tax and Claims Administration, as well as the digital transformation of Walmart’s Financial Planning & Analysis function.  Amanda also leads Walmart’s finance MBA leadership development program and serves on the President’s Inclusion Council.

    Amanda joined Walmart in 2017 as SVP Corporate Finance and Cost Transformation. In that role, she led Financial Planning and Analysis for the enterprise, as well as the company’s efforts to reduce expenses in order to create competitive advantage and fuel future growth.  

    Prior to Walmart, Amanda held Chief Financial Officer and other senior leadership roles across finance, strategy and human resources in the food manufacturing, grocery distribution and healthcare industries.  She spent the first decade of her career at Bain & Company, where she led growth strategy and operational improvement projects for consumer products, retail and private equity clients.

    Amanda received her Bachelor of Arts from Princeton University, where she was elected to Phi Beta Kappa, and her Master of Business Administration from MIT’s Sloan School of Management, where she was named a Siebel Scholar. In 2015, Amanda was honored as one of Griffin Report’s Women of Influence in the Food Industry.