Maria Silvia L de Andrade Marques specialises in private health law, focusing on counselling and litigation at administrative and judicial levels concerning the legislation and regulation of private healthcare plans and advising companies, associations, foundations, insurers and operators that offer or act in the area of healthcare. Her areas of practice also include customer service in civil matters (obligations, civil liability, contracts) and consumer law in the private health market. She obtained her Bachelor of Laws from the University of São Paulo (USP) in 2002 and a diploma in business administration from the Getúlio Vargas Foundation (CEAG-FGV) in 2007. She attended the intensive course on supplementary health law promoted by UNIDAS in 2008, as well as the Annual Employee Healthcare Conference in New York in 2012 and 2018 promoted by the Conference Board Inc. She is currently pursuing her master’s degree in civil law from USP, through research and studies into business and existing business contracts, and is also analysing collective health plan contracts.