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.

David Darquea Schettini


David Darquea Schettini is an Ecuadorian finance professional and an international businessman based in Cuenca, Ecuador. He has held senior commercial and strategic roles at various private businesses, with particular focus in Ecuador, Colombia and the United States. Mr. Darquea has previous experience in investment banking, energy and construction industries. He has completed programs in Finance & Administration in Tec de Monterrey (Mexico) Portfolio Specialization from Instituto de Estudios Bursátiles (Spain) and Executive Programs in Wharton School and London School of Economics and Political Science.

David Farrell

Independent Director

David Farrell has over 25 years of corporate and mining experience and founded Davisa Consulting, a private consulting firm working with global mining companies, in 2011. Prior to creating Davisa, he worked at boutique investment banking firm Endeavour Financial and Canadian law firm Stikeman Elliott. As managing director of M&A, David has negotiated, structured, and closed more than US$25 billion worth of M&A and structured financing transactions for natural resource companies. He graduated from the University of British Columbia with a BComm (Honours, Finance) and an LLB and holds the ICD.D designation from the University of Toronto Rotman School of Management and the Institute of Corporate Directors. David is also on the board of Fortuna Silver Mines Inc.

Ron Halas

Independent Director

Ron Halas has over 30 years of diverse experience including open pit and underground mining in both base and precious metals. He has worked with major mining companies including Kinross, IAMGOLD, Vale, PT Freeport Indonesia, Placer Dome, and Cominco. His extensive experience in mine feasibility, development, and operations has been gained in Canada, Niger, Indonesia, New Caledonia, Suriname, Brazil, and Mauritania. Mr. Halas has a Bachelor of Engineering degree from McGill University and a Graduate Diploma in Business Administration from Simon Fraser University. Ron is currently Chief Operating Officer of Lumina Gold Corp.

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.

Marshall Koval

Independent Director
P. Geo.

Marshall Koval is a mining executive with more than 42 years of corporate management, M&A, finance, mineral exploration, mine development and operations experience and has worked on mining projects in over 30 countries. He served as Chairman & CEO of Anfield Gold Corp, and was CEO and a Director of Luminex Resources, is a Director of Equinox Gold and is a Director of Miedzi Copper Corp. Previously, Mr. Koval was a partner in Lumina Capital, LP and served as CEO of Northern Peru Copper Corp, VP of Corporate Development for Lumina Copper Corp, President of Pincock, Allen & Holt and held management positions with Golder Associates, BHP/Utah International, Inco, Meridian Minerals and Inspiration Consolidated Copper. Mr. Koval holds a BSc. in Geology from the University of Missouri and is a registered professional geologist in North Carolina and Washington. Marshall is currently President, CEO, and Director of Lumina Gold Corp.

Leif Nilsson

Independent Director

Leif Nilsson is currently CEO and Director of Surge Copper Corp., an exploration and development stage company with copper projects located in British Columbia. Prior to joining Surge Copper, he dedicated 15 years to a career in mining advisory and investment banking for various Canadian and international firms, most recently serving as Senior Vice President at the Australian multinational investment bank Macquarie Capital. He has advised on many high-profile M&A and Canadian capital markets transactions and has built a reputation for excellence and integrity. Leif holds an Honours Bachelor of Science in Physics and Exploration Geophysics from the University of Toronto and a Masters in Finance from INSEAD.

Karina Rogers

Independent Director

Karina Rogers has 25 years of experience in the global mining industry and is currently Vice President of Engineering for MineSense, a leading mining innovation company focused on the optimization, design and development of technologies that enable new data fusion opportunities from mine to mill. She has extensive technical, business, strategy and execution experience over her career, including leading Wood’s (formerly AMEC) mining and metals business development activities for North America and heading up their multi-sector Vancouver-based operations for 800 employees. Karina started her career in process engineering, project and estimation roles with Worley (Jacobs, Aker Kvaerner) for projects in Asia-Pacific, North America and South America. She holds a B.A.Sc. in Chemical Engineering from the University of British Columbia and is a licensed Professional Engineer.