Board of Directors & Executive Management

Board of Directors

Gilbert Clark

Executive Chairman

Gilbert Clark has 20 years of international experience within the natural resources industry. Mr. Clark was formerly a Partner with Sentient Equity Partners. Prior to this he was a Senior Investment Advisor and Director of Sentient Asset Management Canada for The Sentient Group. His portfolio covered base and precious metals with investee companies in Europe, Greenland and South America. Prior to joining the Private Equity Industry he managed the international expansion for Queensland Gas Corporation (subsequently BG Group) for non-conventional oil and gas developments. Mr Clark has resource development and production experience from the Eastern Gold Fields of Western Australia. He has natural resource business experience in continental Europe, Eastern Europe, North America, Central America, South America, Africa, S.E. Asia, Greenland and Australia. Mr Clark holds a Bachelor of Science (Geology) from Macquarie University.

Adrian McArthur

Chief Executive Officer, President & Director

Adrian has over 20 years of experience in exploration, resource delineation and project generation roles for industrial minerals, gold and base metals.  He currently leads a team of 13 geologists in a multi-commodity exploration program for Meridian which has confirmed a new style of hydrothermal manganese mineralization and identified a number of emerging gold and tin targets. Adrian holds a B.S.c. Hons, PhD from Monash is a fellow of AusIMM and is the qualified person for Meridian.

Charles Riopel

Lead Independent Director

M. Riopel is an accomplished senior-level executive with over 25 years domestic/international investment experience in mining. He has managed over the year’s both private and public investment funds. He is the founder and managing partner at Latitude 450, a private equity fund specialized in mining. Prior thereto, he was Senior Investment Director at The Sentient Group, one of the largest PE Funds in mining with over US$2.7 billion under management. He served as Senior Investment Director Metals & Mining at the SGF from 2006 to 2012. He was appointed to the Board of Directors of Meridian Mining SE in June 2018. He is also a board member of Aligo Innovation, North American Nickel, Premium Nickel Resources and the Foundation of Greater Montreal. He has served as a director and/or officer of several Canadian and international companies. He holds a Bachelor of Economics from Montreal University and a Masters in Business Administration from Laval University.

Mark Thompson

Independent Director

Mr. Mark Thompson is London based with over 26 years of experience in financial markets, physical and commodity derivatives trading, minerals exploration and mine development. He has held senior roles within banking, private equity and hedge fund businesses and has founded and sat on the boards of several junior mining companies in executive and non-executive roles. He consults widely within the metal derivatives industry, while recently he has been a driver behind the success of the private resource company Tungsten West Limited where he is Executive Chairman. Mark holds a B.A. in Physics from Oxford University and has been a strong supporter of Meridian since July 2020.

John Skinner

Independent Director

Mr John Skinner is Vancouver based and has had a long career in the Vancouver investment industry having worked as a Senior Investment Advisor/ Partner at Yorkton Securities 1983-1998 and Canaccord Capital 2000-2009. With a focus primarily on mining, John helped build, finance and advise a significant number of successful ventures. In 2004 John and his wife Trish founded Painted Rock Estate Winery building the business from the ground up. When their first vintage was released, he retired from the investment industry. Painted Rock has twice been named the InterVin International Winery of the Year and has gained considerable international profile. John remains an active investor in the resource industry and has been a strong supporter of Meridian since July 2020.

Susanne H. Sesselmann

Independent Director

Ms. Sesselmann is Munich based and has 20 years of international experience in banking with HVB Group (Unicredit), ten of which were in investment banking and project finance throughout the world but principally in Europe. Since 2003 she specialized in private equity funds and founded her own company in 2006. She was appointed an Independent Director to the Board of the Meridiam Infrastructure Funds Group in France and the US, developing, managing and financing infrastructure projects. Then she also served as a Board Director of natural resources funds group, The Sentient Group, and various Sentient group companies, and of Marengo Mining Limited, a junior copper exploration company in Papua New Guinea. Susanne has been lecturing at universities in Paris and in Linz for many years. She holds a Master’s degree in Languages from the University of Innsbruck, Austria.

Executive Management

Soraia Morais

Chief Financial Officer

Ms. Soraia Morais is a Chartered Professional Accountant with over 15 years of experience in accounting and financial management. She started working in the resource sector in 2009. Prior to that, she accumulated an extensive business background including managing her own business and spending 5 years at pwc Brazil. She is a dual citizen of Canada and Brazil and fluent in English and Portuguese, with working knowledge of Spanish. She has a University of British Columbia Diploma in Accounting and a Bachelor of Accounting Sciences from Brazil.

Vitor Hugo de Souza Belo

Principle Brazilian Mining Consultant

Mr. Vitor Belo has been working in mining industry since 1989 and he accumulates different roles along of his professional career with experience in gold & other metals operations as well as engineering & construction of plants for ores beneficiation. He was graduated in mechanical engineering from the Universidade Católica de Minas Gerais in 1982 and he was postgraduate degree in business management from Fundação Dom Cabral in 2002. Also he counts with specialization courses in project management from Fundação Getúlio Vargas and Ibmec in 2013. He has worked for companies such as Rio Tinto, Kinross and Yamana and also for small-cap companies as Rio Novo, Carpathian Gold and Brio Gold.

Joel Julio Brandão

Resident Manager Espigão

Mr. Joel Julio Brandão has over 37 years of experience in the Brazilian mining industry covering  project administrator, exploration, infrastructure and the operation of mines. He has  worked for national and multinational companies on gold and manganese projects in the Amazon region (Mato Grosso, Pará and Rondônia). He has worked for TSX-V companies such as: Serabi gold, Electrum Capital and Alta Floresta Gold. Mr Julio Brandão graduated from the Federal UFMT-University of Mato Grosso / Cuiabá with a Bachelor of Economics. He has completed postgraduate studies at the  University Gama Filho / Rio de Janeiro specialising in Project Management.

Ms. Katherin Maclean

Company Secretary

Katherine Maclean has 10 years international experience in Company Secretary and corporate development roles in the mining and resources industry. Her experience includes due diligence, corporate governance, project management and risk assessment in Australia, the Americas and Europe. Prior to joining the Meridian Mining team, Katherine acted as Corporate Secretary for Sentient Asset Management Canada and has also worked with a variety of public and privately owned companies. Katherine holds a Bachelor of Laws from Macquarie University and is qualified as a solicitor in New South Wales.

James McLucas

Corporate Development

15 years experience in investment banking focused on the mining sector. He has led global transactions through origination, valuation, structuring and execution. Focusing on raising equity and debt capital for TSX / ASX / LSE and private companies, funding companies from discovery, through development and into production.

Advisory Board


Advisory Board

Mr Afonso Manoel de Figueiredo, a geologist with over 50 years of international and Brazilian experience and former Regional Exploration Manager for BP Minerals Guaporé Project which discovered the Cabaçal Copper-Gold deposit


Advisory Board

Mr Grant “Rocky” Osborne, a geologist with over 40 years of international and Brazilian experience and the former Underground-Mine and Exploration geologist with BP Minerals’ Cabaçal project


Advisory Board

Dr Phillip Mackey, a metallurgist and with over 50 years of industry leading experience an expert in his field and an author of numerous technical papers


Advisory Board

Mr Mike Ounpuu, a Geological Engineer with over 40 years of industry leading experience and is considered an expert at base and precious metal flotation and processing


Advisory Board

Mr Gilson Teixeira, a geologist with over 40 years of experience and formerly the Chief Geologist of the Cabaçal Mine with BP Minerals until its closure by Rio Tinto


Advisory Board

Dr John Waghorn, a geologist with 54 years of international experience including working for Billiton in Brazil, southern Africa and Europe and Rio Tinto in South America