Mark Wellings

Chairman of the Board, Independent Director
P. Eng., MBA

Mark Wellings is a mining professional with over 25 years international experience in both the mining industry and mining finance sector. He served for 18 years at GMP Securities L.P., including as Managing Director/Managing Director of Investment Banking. Mark has worked on some of the Canadian mining industry's largest transactions, both in equity financing and M&A. He has also worked in the mining industry directly with a variety of companies including Derry, Michener, Booth & Wahl Ltd., Arimco N.L., Inco Ltd. and Watts Griffis McOuat Limited, acquiring valuable hands-on experience in exploration, development and production. Mark was one of the founding directors of Adventus and became Chairman of the Board in January 2021.

Christian Kargl-Simard

President, CEO & Director
P. Eng.

Christian Kargl-Simard is a professional engineer with over 15 years of experience in the mining industry, having worked both in technical and finance roles. Prior to starting Adventus, he worked for 10 years in investment banking roles at Raymond James Ltd. and Haywood Securities Inc. During his tenure in investment banking, Christian was involved in financings raising more than $7 billion, and he assisted in completing over 35 M&A transactions with companies such as Fortuna Silver Mines Inc., Altius Minerals Corporation, Arizona Mining Inc., Trevali Mining Corporation, Victoria Gold Corp., Atlantic Gold Corporation and Tahoe Resources Inc. Christian also worked for Dynatec Corporation in Fort Saskatchewan, Alberta up to its sale to Sherritt International Corp. in 2007, both in metallurgical engineering and corporate development roles. Christian is an author or co-author of three published technical papers in the field of hydrometallurgy. Christian is a professional engineer (Canada) and has a B.A.Sc. degree in Metallurgical Engineering from the University of British Columbia.

Michael Haworth


Michael Haworth co-founded Greenstone Resources LP in 2013 after a 16 year career in the mining sector including Managing Director at JP Morgan and Head of Mining and Metals Corporate Finance in London. With Mark Sawyer, Michael oversees all aspects of the management of Greenstone Resources. Michael also serves as a director of Greenstone Management Ltd, the fund’s General Partner. Michael is a member, and co-chairman, of the Investment Committee.

Barry Murphy

Independent Director

Barry Murphy is a mining professional with over 30 years of experience on copper, gold, and platinum projects on three continents. He has held senior executive positions with Anglo American and Yamana Gold where he led both technical and project development teams. His most recent experience includes the development of open-pit and underground mines in Chile, Peru, Argentina, and Brazil. Prior to these projects, Barry held management positions at engineering and construction services firms Hatch and Murray & Roberts Cementation Limited. He holds a Bachelor of Science degree in Mechanical Engineering from the University of Witwatersrand, Johannesburg and a Bachelor of Commerce degree from the University of South Africa. Barry is a registered Professional Engineer with the Engineering Council of South Africa and a Project Management Professional with the Project Management Institute.

Melissa Romero Noboa


Melissa Romero Noboa is a board director of Consorcio Nobis and an international businesswoman. She has held senior commercial and strategic roles at various Nobis and Noboa Family businesses, with particular focus in Ecuador and the US. Ms. Romero Noboa has completed management programs at IDE-Guayaquil and Kellogg Business Schools. She is the daughter of Ms. Isabel Noboa Pontón, the Founder and Executive President of Nobis. Consorcio Nobis completed its first investment in Adventus in 2019 - its first investment in the metals and mining sector.

Paul B. Sweeney

Independent Director

Paul B. Sweeney is an independent business and financial consultant with more than 35 years of experience in financial management of mining and renewable energy companies. Mr. Sweeney previously served on the board of directors for Tahoe Resources Inc. before its sale to Pan American Silver Corp. and on the board of directors for OceanaGold Corporation. Previously, he was a Chief Financial Officer for both Canico Resource Corp. (acquired by Vale) and Sutton Resources (acquired by Barrick Gold) and was a senior executive for Plutonic Power.