LAWYER PROFILE
Helena Najjar Abdo

Helena Najjar Abdo

Brazil 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by Lobo de Rizzo Advogados

Brazil: Contentious

Practice Areas

Litigation and Arbitration; and Crisis Management.

Career

Helena has over 25 years of experience in complex disputes, commercial arbitration, crisis management, group and cross-border litigation, in a wide range of sectors including Construction, Energy, Heavy Machinery, Mining, Pension Funds, Sanitation, Pharmaceuticals, among others. Helena also serves as an arbitrator, professor, and speaker in Procedural Law, Business Law, and Consumer Law. She is a member of the Board of Directors of AASP (Association of Lawyers of São Paulo), IBA Communications Officer of the Academic and Professional Development Committee, CBAr (Brazilian Arbitration Committee), IBDP (Brazilian Institute of Procedural Law), CEAPRO (Center for Advanced Studies in Procedural Law), and the Teaching Committee of CESA (Center for Study of Law Firms).

She is graduated in Law from Universidade de São Paulo; holds a master’s and a PhD degrees in Civil Procedural Law from the institution and has studied Italian law at Università degli Studi di Firenze (Italy).

Professional Memberships

Arbitrator of Brazilian Center for Mediation and Arbitration and Chamber of Conciliation, Mediation and Arbitration of the Commission of Law Firms of the Brazilian Bar Association, São Paulo branch; Visiting professor at Fordham University (2019/2020); volunteer assistant professor of undergraduate/graduate courses in Civil Procedural Law at Universidade de São Paulo; Member: Brazilian Institute of Procedural Law, of the Publications Committee of the Center for Advanced Studies of Procedural Law, of the Brazilian Arbitration Committee.

Publications

"The abuse of the process" (Revista dos Tribunais, 2007); "Media and process" (Saraiva, 2011); Co-authored several works of Procedural Law and Consumer Law.

Chambers Review

Provided by Chambers

Chambers Brazil: Contentious

Dispute Resolution: Litigation: Highly Regarded - Brazil

Band 2
Band 2

Individual Editorial

Partner Helena Najjar Abdo has cultivated litigation skills dealing with commercial and regulatory disputes.

Strengths

Provided by Chambers

  • Helena Abdo has led the team with great skill and promptness.

    Dispute Resolution: Litigation: Highly RegardedChambers Brazil: Contentious
  • Helena Abdo is one of the greatest civil proceduralists of her generation in Brazil, standing out with equal competence in academic, institutional and legal fields. It is a privilege to have her support.

    Dispute Resolution: Litigation: Highly RegardedChambers Brazil: Contentious
  • Helena is an admirable leader, respected by clients, colleagues and even opposing parties. She works with equal excellence in complex litigation and sophisticated arbitrations. She is one of the most well-rounded lawyers in the market. In addition to possessing in-depth legal knowledge, she has the ability to create innovative solutions and is able to communicate effectively and balance the application of the law with the client's business objectives.

    Dispute Resolution: Litigation: Highly RegardedChambers Brazil: Contentious
  • Helena is an extremely distinguished professional who has earned my loyalty. She is technically impeccable and a partner who offers highly personalised service. She strives to understand the company's business and the client's needs. She is always available, quick and flexible.

    Dispute Resolution: Litigation: Highly RegardedChambers Brazil: Contentious

Ranked Individuals at Lobo de Rizzo Advogados (29)

Brazil

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership