Kostelanetz professionals will be speaking on a variety of international tax topics at the 18th Annual U.S. and Latin America Tax Practice Trends Conference from June 10, 2026, to June 12, 2026, in Sao Paolo, Brazil. The conference is hosted by the American Bar Association, the International Bar Association, and the International Fiscal Association (USA Branch).
More information and the full agenda can be found here.
Please join Kostelanetz at the following panels:
Wednesday, June 10, 2026, 1 p.m.
Tax Jurisdictions: Conflict of Residences, Challenges and Alternatives Panel
Kostelanetz Counsel Eduardo Cukier will co-chair this panel with Ana Luiza Martins of Tauil & Chequer Advogados. Other speakers include Tomas Alonso of Zedra, Miami, FL; Luz María Calvo of Prieto Abogados, Santiago; Nycolas Colucci of Chulam Colucci Advogados, São Paulo; Diego Cuenca of Posadas, Posadas & Vecino, Montevideo; Valeria D’Alessandro of D’Alessandro Tax, Buenos Aires; and Rafaella Peviani of Mishcon de Reya LLP, London.
Wednesday, June 10, 2026, 2:45 p.m.
Navigating Criminal Tax Investigations and Prosecutions – A Comparative Overview of the Criminal Tax Paradigms Throughout the Americas Panel
Kostelanetz Partner Karen Kelly will co-chair and Kostelanetz Senior Investigator Guy Ficco will speak on this panel. Other speakers include co-chair Igor Mauler Santiago of Mauler Advogados, São Paulo, and panelists Mario Barrera of Clark Hill, Mexico City; Professor Heloisa Estellita of FGV Direito SP, São Paulo; Luis Marcelo Nuñez of Perez Alati, Grondona, Benites & Arntsen, Buenos Aires
About Eduardo
Eduardo’s transactions-based domestic and international tax practice spans more than two decades advising U.S. and foreign clients across many different types of business deals in various industries. That skill set has made him counsel of choice for many corporations, businesses, and entrepreneurs in the U.S., Latin America, and around the globe.
About Karen
The former acting head of the Justice Department’s Tax Division, Karen joined Kostelanetz after more than 30 years of federal and state trial practice, including prosecuting tax and white-collar crime. Her practice focuses on representing clients adverse to the government, including in criminal matters, and state and federal civil tax controversies.
About Guy
As Chief and Deputy Chief of IRS Criminal Investigation from 2022 through April 2026, Guy directed one of America’s largest federal law enforcement organizations, overseeing operations with an annual budget exceeding $1 billion. Throughout his law enforcement career, Guy spearheaded investigations into major financial crimes spanning tax evasion, sanctions violations, money laundering, corruption, banking misconduct, cybercrime, cryptocurrency offenses, and terrorism financing.
