One of the forerunners of corporate governance in Brazil, Sandra Guerra has served as a board member and chairperson of boards of directors since 1995. Her experience includes acting on the boards of listed, closed, family-controlled and state-controlled companies as well as of non-profit organizations both in Brazil and abroad. With more than 26 years' experience in corporate governance, she was one of the founding members of the Brazilian Institute of Corporate Governance (IBGC), where for four years, from 2012 to 2016, she was the chair of the board. On two occasions, she was also a member of the board of directors of the International Corporate Governance Network (ICGN). She was also board director of Global Reporting Initiative (GRI), from 2017 to 2019. Ever since she completed her Master's degree in Business Administration at
FEA-USP (2009), her research has been focused on the board of directors. Certified as a Board Member by the IBGC and as a Mediator by the CEDR-Center for Effective Dispute Resolution (United Kingdom). In 2017 she published the book “A Caixa-Preta da Governança. Conselhos de Administração Revelados por Quem Vive Dentro Deles”, published by Editora Best Business in Brazil and which is now in its 4th edition. The book – The Black Box of Governance. Boards of Directors Revealed by Those Who Inhabit Them - was updated and translated to English and published by Routledge in September 2021.