Sirley Oliveira is an experienced Environmental Specialist with a career at Vale since 2006, focusing on project maturity assessment and environmental management within mineral project development. Prior roles include serving as a Master Environmental Analyst, where responsibilities encompassed mineral project development and environmental licensing. Prior to joining Vale, Sirley held the position of Environmental Coordinator at Granasa from 1998 to 2006. Educational qualifications include a Bachelor's degree in Geology/Earth Science from Universidade Federal de Minas Gerais, a Master's Degree in Applied Geology, and specializations in Environmental Management and Mining and Mineral Engineering from the same institution.