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Our Professionals

We are more than 200 professionals in finance, economics, law, business administration, accounting and computer systems.

Roberto González

Managing Partner of Gallant with more than 15 years of experience in Transfer Pricing and 10 years dedicated to the hospitality and real estate sector. Before joining the Gallant team, Roberto worked as the Senior Manager responsible for the Central – South region for EY.

Roberto has advised multinational companies in the establishment of optimal pricing structures and in the management of audits, valuation of stocks and intangibles and the preparation of supporting documentation, as well as in the planning and implementation of numerous fiscal strategies, and in various “due -diligence “at the regional level.

Alejandro Arvizu

Audit Partner, with a specialty in the Tourism Sector.

Before joining the Gallant team, Alejandro worked as a Managing Director of Audit for the Cancun and Merida office for PwC.

He has 23 years of experience in services to companies in the sectors of tourism, real estate, retail, construction, in both national and international companies.

Rosalía Sabido

Rosalía is an Audit and Government Services Partner at Gallant offices in Merida. She’s a member of Gallant since its foundation and before joining the team, she worked in the maquiladora industry sector. She has more than 16 years of experience.

She has reviewed financial statements under the Regulations of the National Accounting Harmonization Council (CONAC), under the International Public Sector Accounting Standards (IPSAS) and Mexican Financial Reporting Standards (NIF). She has experience in preparing and reviewing opinions for tax purposes, advice and consulting in the areas of her specialty.

Javier Santos

Tax Partner, with more than 20 years of experience working in the area with experience in the Construction, Hospitality, Real Estate, and Manufacturing industries.

Before joining Gallant, Javier worked for 11 years as a Tax and Legal Services Partner at Deloitte.

He has participated in important transactions in issues related to compliance and revisions of tax, corporate tax, restructuring, mergers and split-off among others.

Javier Rodríguez

Tax Partner. Before joining Gallant, Javier founded in 2016 the firm VACSA Administracion Corporativa, S.A. from C.V. and previously worked for more than 18 years at EY as Senior Corporate Tax Manager.

Javier has extensive experience in advising multinational companies in tax matters, as well as in tax planning and corporate restitution, participating in various merger and spin-off projects.

Javier is a specialist in deferred taxes for the purposes of USGAAP and IFRS and in the analysis and consolidation of information that is reported to Corporations located abroad (tax packages).

José Luis Parada

Partner of the Gallant transfer pricing area in the CDMX office.

Before joining the team, José Luis worked for 13 years as a Senior Manager at EY. His experience includes tax planning for subsidiaries of multinational companies, valuations of intangible assets and actions for tax purposes, documentation, planning, monitoring and updating of transfer pricing policies to multinationals, among others.

José Luis has a degree in Public Accounting and has a Master in International Administration from the Universidad Anáhuac del Sur.

Mario Romero

Mario Romero is partner and General Director in Merida in the Gallant Consulting firm, providing tax defense, administrative defense, legal, tax and corporate advice for important companies.

Specializes in tax, administrative and corporate matters with more than 12 years of experience in them. He has a master’s degree in Constitutional Procedural Law and Amparo from the Autonomous University of Yucatan and another in Taxes from the Consilium Tax Education Institute, obtaining the best average of his generation in both.

He is president for the 2019-2020 biennium of one of the three largest lawyer associations nationwide, the National Association of Business Lawyers (ANADE) in the Yucatan section.

Joel Santizo

Partner of the Remuneration and Social Security area in the offices of Gallant in the City of Merida, Yucatan.

Joel worked at EY for more than 19 years, in which he held the positions of Manager of the Social Security area and State Contributions of the Merida and Cancun offices, as well as, Manager of the Quality and Risks area.

He is a graduate of the School of Accounting and Administration of the Autonomous University of Yucatan. He is an active member of the Public Accountants Association of Cancun and the Association of Public Accountants of Yucatan.

Mario Hoyo

Partner of the Financial Consulting area, with more than 20 years of experience. Mario has a degree in Actuary from ITAM and has an MBA from the “Instituto de Empresa” in Madrid, Spain.

Mario began his professional career at Procter & Gamble and Gillette México, training in areas of analysis and financial planning. He worked in Banking within Citibanamex, where he was in areas of financial and strategic planning, and on the business side, such as Business Development Manager, He contributed to the creation of the commercial area of Treasury and Trade Services, a team in which he ended up leading the relationship with FIs (financial institutions) for transactional and short-term credit products.

Rafael Martín del Campo

Partner of the Accounting area, with more than 5 years of experience in the field.

Rafael has provided advice on accounting, fiscal and financial issues at the strategic planning and senior management level to private companies.

Rafael holds a Bachelor’s Degree in Finance and Accounting from Universidad Anahuac and a Master’s Degree in Strategic Business Management from Universidad Francisco de Vitoria, Madrid.

Josué Gallardo

Partner of the Accounting area, with more than 5 years of experience in the field.

Josué is a specialist in management and accounting management processes for third- party companies.

Master in Strategic Management, Josue has proven experience in business management and team management, and excellent ease of relating to people from different cultures due to his residence abroad (6 years Singapore and 2 years in South Korea).

Sergio Ortiz

Partner of the Financial Consulting area, with more than 20 years of experience.

Sergio has worked in different companies in the financial and real estate sector where he has participated in administrative and financial matters such as portfolio risk analysis (credit and factoring with and without recourse), project analysis, customer relationship, covenant valuation.

Sergio has served in management functions in financial institutions and additionally has experience in the fintech, real estate, entertainment, renewable energy, commercial, hospitality, and construction sectors.

Oscar Carranza

Audit Partner. Prior to joining Gallant, Oscar worked as Executive Director at the Audit team at EY. He has 26 years of experience in the audit area.

He has conducted a review of financial statements for the reporting of subsidiaries of SEC companies under Mexican accounting principles, under US principles (US-GAAP) and under international accounting standards (NIC’s). Has experience in drafting and reviewing opinions for tax purposes; review of merger and split-off of companies and financial advice.

Jorge Castellón

Transfer Pricing and Operating Model Structuring Partner. Jorge has over 22 years of experience, Jorge joined Gallant from PwC, where he worked for more than three years as a partner in the Global Structuring Group based in Chicago.

Previously, he was a partner in the practice of Global Transfer Prices from EY, where he played different roles, including the Regional Coordinator of Transfer Pricing Services (Latin America) and Transfer Pricing Leader for Mexico and Central America.

Carlos Barreiro

Tax Partner. Prior to joining Gallant, Carlos worked for more than 20 years at EY as Executive Director of Corporate Tax Compliance.

He has worked with clients in the tourism and real estate industries. He has experience serving subsidiaries of multinational, public and private clients.

Among the clients, he has attended are Apple Leisure Group, Barceló Group, Best Day Group, Piñero Group, Hipotels, H10 Hotels, Iberostar Hotels & Resorts, InterVal Leisure Group, OHL, RLH Properties, Sol Meliá, Sirenis Hotels & Resorts, Starwood Hotels & Resorts, Valentin Hotels. Grupo TAO, among others.

José Antonio Abraján Pérez

Partner of the Accounting Advisory Services

Before being a partner of Gallant Advisory, Jose worked by five years in PwC in the Financial Audit line. Later worked in EY for 14 years, arriving to be Executive Director in the area of Tax Accounting and Risk Advisory Services.

Solid knowledge and experience in the following projects: deferred taxes, auditing, tax reporting, under US-GAAP, IFRS, MFRS, participation in the corporate reporting procedures on deferred taxes for SEC and non-public entities, covering technical accounting papers and the impact of the adoption of new accounting financial standards (IFRS 9, IFRS 15, IFRS 16, IFRIC-23, ASC-606, ASC 842).

The following are some of the clients that Jose has provided its professional services: Emerson, Thomson Reuters, Tail-Tail Femsa, Casa Ley, Safeway, Bimbo Group, AT&T (Nextel), Telmex, and IEnova.

Jose has IFRS certification issued by the AIPCA.

Certified Public Accountant by the Mexican Institute of Public Accountants (IMPC)

José Gallardo

Tax Partner. Before joining Gallant, José founded in 2016 the firm Najera y Asociados Servicios Fiscales S.C. and previously worked for more than 20 years at EY as Senior Corporate Tax Manager.

He has worked with clients providing solutions to tax consultations and opinions regarding the correct application of tax and legal provisions that affect national and international companies, such as restructuring projects, strategy advice, determination of the taxable base of the ISR, VAT, PTU, etc.

José is a Public Accountant with a Master’s Degree and Specialization in International Taxes from the Universidad Panamericana (UP).

Simón Hernández

Tax Partner. Prior to joining Gallant, Simón worked for more than 21 years at EY as Executive Director of Corporate Tax Compliance in Puebla.

He has participated in corporate restructures for different business groups; in studies and evaluations of the purchase of companies from a fiscal point of view (Due Diligence); mergers and acquisitions of companies (M&A) and reviews of compliance with fiscal obligations, focused mainly on the Automotive and Transportation industry; Real Estate and Construction; and Marketing of “Retail” Products.

Among the clients, he has attended some of them are CSI Group, Magna International, Stanley Tools, HBPO Mexico, among others.

Emilio Camero

Partner in the transfer pricing team, with more than 12 years of experience.

Prior to joining Gallant, Emilio worked at EY for 12 years where the last position he held was as Senior Manager.

In 2011, Emilio took a two-year international assignment based in Chicago, United States. During this time, Emilio interacted and collaborated with professionals from the Central Region of the United States, where he participated in different projects such as: Tax Effective and Supply Chain Management projects, Advance Pricing Agreements (unilateral and bilateral), Global Transfer Pricing Documentation, among others.

Emilio has also participated in the planning and implementation of tax strategies at a domestic and also at and/or global footprint. He has also assisted with valuation of intangible assets projects, as well as assisted national and/or multinational companies in audits before the Tax Authorities.

Emilio is a Public Accountant at the Instituto Politecnico Nacional and holds a Diploma in Taxation from the Instituto Tecnologico Autonomo de Mexico. Member of the Tax Excellence Program at EY for the Americas Region– class of 2017.

Antonio Espinosa

Leading partner in the area of foreign trade, customs and indirect taxes with more than 17 years of experience. Before joining Gallant as a partner, Antonio worked for more than 16 years in two BIG4 firms (EY and PwC), becoming a partner in EY.

Antonio has advised on tax and customs compliance to multiple groups of national and foreign companies, as well as participated in the planning and implementation of fiscal-customs strategies to optimize the supply chain and its cash flows. He has led IMMEX and PROSEC Program projects; VAT and IEPS certification; OAS and C-TPAT certification; Adjustments of Transfer Prices, Sub-valuation and Royalties in customs; and recently, everything related to the re-negotiation of NAFTA (today T-MEC) and its implications in aspects of rules of origin.

Sergio Mayora

Sergio Mayora has more than 12 years working as a lawyer in the area of tax consulting and litigation, both at the federal and state level, as well as in the private sector, being a Partner of the Fiscal Defense Area of Gallant Global Consulting since 2012.

With extensive and proven experience in the filing of means of defense and attention of acts of fiscal and administrative authorities, acquired in the public sector in dependencies such as the Tax Administration Service (SAT) and the Court of Administrative Litigation in function of project analyst, such as in the more than 12 years attending tax defense cases in the defense of taxpayers affected by acts of tax authorities.

Héctor Grajeda

Partner in charge of the Business Consulting area, with more than 23 years of experience.

In addition to being an entrepreneur, Hector has a master’s degree in Business Leadership. His experience includes educational institutions, banking, and projects within the government sector of Tamaulipas.

Likewise, he specializes in the management and creation of administrative/operational teams, supply and value chain, continuous improvement in lean manufacturing projects and SIX Sigma. He has international experience in multiple projects, including the successful implementation of SAP worldwide.