The arbitration department at Thomaz Bastos, Waisberg and Kurzweil Advogados draws on the firm’s recognised strengths in restructuring and insolvency to handle a significant volume of related arbitration proceedings, in addition to a wide range of commercial and corporate disputes across the energy, financial, technology, and construction sectors. The team is co-led by Ivo Waisberg, who brings nearly three decades of experience in contractual, antitrust, corporate, and commercial disputes, and Ricardo Pomeranc Matsumoto, noted for his expertise in financial, agribusiness, and energy-related arbitration both in Brazil and internationally. Ana Cláudia de Oliveira Rennó acts as counsel in numerous arbitral proceedings.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘Experience, combined with balance and thoughtfulness in tense moments and just the right amount of aggression when necessary'
‘It has a team with several experienced professionals, with emphasis on Ricardo Matsumoto and Iwo Heinsberg.'
'TWK stands out for its remarkable technical expertise combined with a highly strategic approach. The firm translates legal complexity into sophisticated and effective solutions, always delivered with discretion and precision. TWK honours the tradition of legal excellence with innovation and ethics, remaining at the forefront of high-profile cases in Brazil.'
'The firm has supported us from the outset in a highly relevant and complex arbitration. Their agility, ability to interpret scenarios and produce precise documentation make them truly unique within the arbitration litigation market.'
'Ivo Waisberg (main counsel) stands out for his objectivity and ability to translate complex situations into winning strategies. Ana Cláudia is always available and precise in drafting and executing legal strategies.'
'TWK is a boutique firm with notable expertise in arbitration. They distinguish themselves through a conflict-resolution-oriented mindset, acting as true partners to the client. Their direct partner involvement ensures top-tier quality, and the team is approachable, collaborative and flexible'
Lawyers
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Ivo Waisberg; Ricardo Pomerac Matsumoto
Other key lawyers
Ana Cláudia de Oliveira Rennó