Rodrigo Roso

Rodrigo has built his career as a partner of a prestigious law firm in Brazil. As co-head of the Energy & Infrastructure transactional practice at the firm, Rodrigo led several projects in the energy, mining, port, road, airport, and defense segments. Rodrigo is also recognized for his work in structuring and implementing of some of […]

Maria J. Salum

Maria is a prominent environmental and social responsibility professional in Brazil. She has held a number of roles during her 40-year remarkable technical career in public service and in the private sector. In public service, her roles included Director of Sustainable Development in Mining at the Ministry of Mines and Energy and Senior Representative for […]

Jamie Flegg

Jamie is an experienced mining capital markets executive with a background in Private Equity and Investment Banking. Before joining Sigma, Jamie was Director, Investment Management at Waterton Global Resource Management, a leading independent private equity platform focused on the resource sector with $1.75B in AUM. At Waterton, Jamie led deal origination, structuring and execution from […]

Rodrigo Menck

Mr. Menck has roughly 30 years of experience in finance and capital markets. He has spent the last 15 years leading finance functions for large corporations, including most recently with Nexa Resources, the mining company of the Votorantim group in Brazil, where he served from 2019 to 2022 as CFO. Prior to his corporate experience, […]

Brian Talbot

Mr. Talbot is a proven and experienced operator, who exceled in metallurgical processing, mine operations and development in his previous roles. having held leadership roles at successful lithium pioneer producers for over a decade, including Galaxy Resources (now Allkem) and Bakita (now Sinomine Resource Group). He holds a bachelor’s degree in chemical engineering with Honours […]

Ana Cabral Gardner

Ana is a co-founder and Managing Partner at A10 Investimentos, in addition to having an executive and board position at Sigma Lithium. She has over 24 years of experience as a senior banker at global investment banks in New York, London and São Paulo. Ana is a former Head of Latin America Capital Markets at […]