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Cross-functional Management Team

Robert Vallis

President & CEO, Director, MBA, P.Eng

Robert is an accomplished senior mining executive with a 28-year career in the mining sector, working with some of the most successful companies including 23 years with Barrick Gold and Yamana. Rob’s experience spans multiple functional areas including C-Suite leadership, corporate development, M&A, transaction development and execution, mine engineering & operations.

Rickardo Welyhorsky

P. Eng. — COO

Rickardo Welyhorsky is a mining executive with 30+ years of experience advancing gold projects from exploration through construction and operations. He has held senior leadership roles at Barrick Gold, Pure Gold Mining, Yamana Gold, Detour Gold, and Signature Resources, driving project design, plant commissioning, operational readiness, and start-up. As Mine General Manager at Pure Gold, he oversaw construction through to first gold pour; at Yamana, he led operational readiness for the Cerro Moro mine; and at Detour Gold, he managed key aspects of developing a $1.6B, 61,000 tpd gold project.

Rickardo holds a B.Sc. in Metallurgical Engineering from Laurentian University and is a licensed Professional Engineer. Most recently, as COO of Avalon Advanced Materials, he raised $63M and advanced a lithium hydroxide facility study with a projected $4.1B NPV.

Jeremy Link

VP, Corporate Development, M.Eng., P.Eng

Jeremy has over 20 years of diverse expertise in exploration, mining, and capital markets. He has helped secure more than $200 million for mining ventures. His previous roles include senior positions with gold producers and exploration companies, as well as experience as a sell-side and buy-side mining analyst.

Rick Huang

CFO, BA, MBA, CPA

Rick Huang is a seasoned finance executive with broad experience in corporate finance, capital markets, and financial strategy, with a strong focus on the mining sector. He has served as CFO for many publicly listed companies and has acted for numerous junior and mid-tier mining companies, providing leadership in financial reporting, budgeting, governance, and capital raising. Rick holds a B.A. in Economics from Shanghai International Studies University and an MBA from the Ivey Business School at Western University.

Terese Giselman

Corporate Secretary

Rick Huang is a seasoned finance executive with broad experience in corporate finance, capital markets, and financial strategy, with a strong focus on the mining sector. He has served as CFO for many publicly listed companies and has acted for numerous junior and mid-tier mining companies, providing leadership in financial reporting, budgeting, governance, and capital raising. Rick holds a B.A. in Economics from Shanghai International Studies University and an MBA from the Ivey Business School at Western University.

Advisory Board

Dr. Ruben Padilla

Ph.D., B. Eng. (Geological Engineering)

Dr. Ruben Padilla is a renownd geologist with over 30 years of global mineral exploration experience and is responsible for discovering over 45M Oz’s of gold in Colombia. He played a key role in the discovery of world- class deposits including La Escondida in Chile, the La Colosa mine and Gramalote gold projects in Colombia. At AngloGold Ashanti, he served as Chief Geologist for the Americas and as Country Manager for Colombia and Peru.

He is currently the President and CEO of Sable Resources, leading exploration across Latin America. Dr. Padilla is also the Founder and Chief Geologist of Talisker Exploration and a board member of Millennial Precious Metals Corp.

Ron Halas

P.Eng., B.Eng., GDBA — Technical Advisor

Ron Halas is a senior mining executive with over 30 years of global experience in the development, operation, and advancement of large-scale gold and copper projects across Latin America, West Africa, and Southeast Asia.
He most recently served as COO of Lumina Gold Corp. (TSXV: LUM), where he led the Cangrejos gold-copper project in southern Ecuador—the country’s largest primary gold deposit—through feasibility and permitting milestones, contributing to its C$581 million all-cash acquisition.

Previously, as COO of Global Atomic Corp (TSX: GLO), he played a key role in advancing the Dasa uranium project, from a Preliminary Economic Assessment to mine development within 2.5 years.

Ron holds a Bachelor of Engineering in Mining from McGill University, a Graduate Diploma in Business Administration from Simon Fraser University, and is a Professional Engineer (P. Eng.).

Siri C. Genik

LL.B. —Technical & ESG Advisor

Siri Genik is a senior executive with over 25 years of international experience in the natural resources and infrastructure sectors, with deep expertise in ESG, stakeholder engagement, governance, and sustainability.

She is the Founder of BRIDGE©, a consulting firm advising boards and project teams on permitting, risk mitigation, and sustainability strategy. Siri has held senior roles at BHP Canada and Glencore, supporting major mining projects in Australia, Malaysia, and New Caledonia. Her recent work includes Indigenous and infrastructure engagement in Panama.

She serves as a Director of PDAC, sitting on the Sustainability, Lands & Regulations, and EDI Committees, and is also a director of Northern Dynasty Minerals (TSX: NDM). Fluent in English, French, and Spanish, and a native of Bogotá, she brings strong regional insight to Tiger Gold.

Board of Directors

TBA

Director

TBA