Benjamin C. Rosen, Esq., is admitted to practice law in Washington state (1997) and throughout Mexico (2010).
Ben’s practice focuses on real estate law and development; resort, hospitality, condominium, leisure and timeshare law; trusts, joint ventures, international private client advisory, labor & employment advisory, company law, and cross-border transactions.
Since settling in Mexico in 1997, Ben—a dual citizen of the United States and Mexico—has served as a bridge linking businesses, investors and entrepreneurs from one country to the other. Ben shares time between Rosen Law headquarters in Los Cabos and his residence in San Diego.
Since arriving in Los Cabos in 2005, Ben has advised foreign investors in transactions representing more than a combined US$800 million in Mexican real estate, hospitality, and related assets. Since 2011, he has served as lead Mexican counsel to one of the largest timeshare companies in the world. He also advises prominent family offices, resort owners, developers, and operators, and is widely regarded as a go‑to lawyer for high‑net‑worth individuals transacting in ultra-high-end real estate in Mexico.
Mr. Rosen is a sought-after speaker, lecturer, and commentator on Mexican legal and international business matters. He has spoken at over 40 conferences, seminars, and continuing legal education programs in Mexico, the United States, and Canada. Most recently, in January 2026, he chaired and moderated a program, “Investing and Relocating in the United States, Europe and Mexico—Expect Red Tape or the Red Carpet?” at the ABA International Meeting in Mexico City; and in 2024, he chaired and moderated the program, “Investing and Relocating in the United States, Europe and Mexico—Expect Red Tape or the Red Carpet?” at the ABA International Annual Conference in Washington, D.C.
In 2011, Ben served as a Visiting Professor of Law at Seattle University School of Law where he taught International Business Transactions between the US and Mexico. From 1997 – 2005, Ben taught courses on Legal Writing and United States Judicial System and Civil Procedure at the Universidad de las Américas (UDLA) School of Law in Mexico City.
In 2014, Ben authored the Mexico chapter of the Real Estate Law Review. In 2012 and 2013 Mr. Rosen was editor of various chapters of the “Year and Review” (YIR) published by the International Section of the ABA. Ben has also authored articles published in various international business and legal media on topics such as foreclosing on cross-border loans in Mexico; U.S.-Mexico cross-border environmental and energy law; international letters rogatory; enforcing foreign judgments in Mexico; privatization of Mexico’s airport and oil and gas sectors; the Mexican foreign investment law; Mexico’s maquiladora (in-bond plant) program; and government bidding procedures.