Main Practice Contacts

Gilbert D. Porter
+1 212.659.4965

Larry B. Pascal
+1 214.651.5652

In the News

Haynes and Boone Senior Advisor Eduardo Aguirre, Jr. in Ambassadors REVIEW: Observations about the Spanish Economy

"Our relationship with Spain needs to improve…fix it!” That was the main theme of my Oval Office meeting with President George W. Bush before I left for my post in Madrid in 2005. The president had reviewed a draft of my list of priorities in Spain and agreed with its substance. He also underscored the issues that were more important to him, injecting personal observations, and a few choice colorful words, that as a fellow Texan, I had no problems understanding. >>

Haynes and Boone Houston Welcomes Former U.S. Ambassador Eduardo Aguirre

HOUSTONEduardo Aguirre, the former U.S. ambassador to Spain and Andorra, has joined Haynes and Boone, LLP in Houston as a senior advisor, providing insight to the firm on a wide range of topics including a special focus on international business and strategic issues in Spain, Latin America and the Caribbean, and U.S. inbound investment, banking and finance, energy and immigration.

“Ambassador Aguirre has had substantive leadership responsibilities in banking, government service and the boardroom that are beneficial to existing and potential clients in our top firm practice areas and geographies,” said George Y. Gonzalez, Haynes and Boone partner. >>

Haynes and Boone Ranks High in International M&A League Tables

Involvement in a pair of high profile international mergers has pushed Haynes and Boone, LLP into the top ten in two respected league tables ranking worldwide deals handled by law firms during the first half of 2013. >>

Recent Publications

New Protocol Amending the Income Tax Treaty between the United States and Spain

On January 14, 2013 the United States and Spain signed a new protocol amending the existing income tax treaty between the United States and Spain that was signed on February 22, 1990. The Protocol modernizes the Treaty to conform with the existing treaty policies of both the Unites States and Spain. >>

Selected Business Visa Options for Spanish Nationals

This paper provides an overview of the United States Immigration System for Spanish nationals looking to move to the U.S. for employment. >>


Haynes and Boone has developed a wealth of experience assisting Spanish clients in cross-border and inbound U.S. transactions. Our Spain Practice Group is made up of lawyers dedicated to providing Spanish companies with the sound legal advice necessary to succeed in the United States.

As a full-service law firm, we are routinely called on for, among other things, advice related to mergers and acquisitions, joint ventures, strategic alliances, complicated cross-border transactions, corporate and finance issues, tax planning and structuring, and immigration matters. And, just as Spain has embraced renewable power for its energy needs, Haynes and Boone complements its long-term role as a counselor to the world’s largest oil and gas corporations by providing strategic planning and legal advice to companies in the Clean Tech industry.

Whether counseling new enterprises, medium-sized companies, or large international corporations, Haynes and Boone is distinct in our ability to tailor our services to our clients’ specific needs. Regardless of their size, our clients repeatedly benefit from our strong ties to venture capital and private equity groups, various state and federal governmental agencies, and business, academic and technological communities.

Members of the firm’s Spain Practice Group are also experienced in helping U.S. companies with outbound transactions in Spain by acting as liaisons between their network of local partners, institutions, government entities, and U.S. companies. By working closely with our local contacts, we ensure that our clients receive top quality legal work that is responsive to their needs.

Spain Practice Leadership

Gil Porter, co-chair of the firm's Projects Practice, offers more than 30 years of experience in domestic and international project financing. His practice includes financial product development, project development and financing, structured lending, workouts, joint ventures and mergers and acquisitions.

Larry B. Pascal, who also serves as the chair of Haynes and Boone’s Americas Practice Group, advises Spanish clients on their in-bound investments in the U.S. Fluent in Spanish, he has advised Spanish companies on infrastructure, M&A, and foreign direct investment matters.

George Y. Gonzalez, a partner in the Energy, Mergers and Acquisitions and International Practice Groups, counsels U.S., International and Spanish-origin and Latin American businesses in general corporate law with an emphasis on mergers and acquisitions, joint ventures, corporate control matters, securities, privately held companies and international legal issues. George has negotiated on behalf of clients in Argentina, Bolivia, Brazil, Canada, Chile, Colombia, Guatemala, Mexico, Spain and Venezuela, among other countries.

Eduardo Aguirre, the former U.S. ambassador to Spain and Andorra, is a Senior Advisor to Haynes and Boone, providing insight to the firm on a wide range of topics including a special focus on international business and strategic issues in Spain, Latin America and the Caribbean, and U.S. inbound investment, banking and finance, energy and immigration. His hands-on experience with financial issues and topics of critical importance to the establishment of business operations in the U.S. and abroad, and in cross border investment and capital projects is an important asset in providing top-tier counsel to clients.

Rafael Anchia is intimately familiar with the needs and desires of Spanish companies doing business in the U.S., and is able to ensure that cultural issues and considerations are navigated successfully. A descendant of Basque immigrants, he serves the community as a Texas State Representative from Dallas. In this capacity, Rafael is the Vice-Chair of the Pensions, Investments and Financial Services Committee and is a member of the Sunset Advisory Commission. He is also a member of the Board of Directors of the Spain-Texas Chamber of Commerce.

Publications and Events

Haynes and Boone’s Spain Practice Group members are regularly involved in international conferences and forums in both Spain and the U.S.