Our Team

William Threlkeld is acknowledged as one of North America's outstanding geologists. For the past 19 years, Mr. Threlkeld has served as Senior Vice President of Seabridge Gold where he has designed and executed exploration and resource delineation programs which have defined more than 45 million ounces of measured and indicated gold resources. His team's successes include the discovery and definition of the Mitchell and Iron Cap deposits which have made the KSM project in British Columbia the largest gold reserve in Canada. Mr. Threlkeld began his career at Noranda Exploration Inc. but achieved his greatest recognition at Placer Dome Inc. From 1991 to 1997, as Exploration Manager and Vice President, he was responsible for all of Placer Dome's exploration activity and investment in Latin America, directing programs that resulted in the discovery and delineation of Las Cristinas, Venezuela (9.7 million ounces), Cerro Crucitas, Costa Rica (2.3 million ounces) and Mulatos, Mexico (2.0 million ounces). From 1997 to 2000, he was Vice President, Exploration for Greenstone Resources Ltd. responsible for resource delineation on three Central American gold deposits and development of an organization and strategy to identify new mineral investments. Mr. Threlkeld holds an MSc in Economic Geology from the University of Western Ontario and BSc in Geology from Colorado State University.

For the past 20 years, Brent Murphy has developed and led the environmental permitting strategy for the Company’s projects situated throughout North America.  A seasoned and collaborative leader, he was instrumental in leading the technical and social teams that obtained the federal and provincial environmental assessment approvals for KSM, one of the world’s largest undeveloped gold-copper projects, in 2014 following a seven-year review process. Mr. Murphy is a former exploration geologist who holds an M.Sc. in Geology (Geochemistry) from Acadia University. Before joining Seabridge Gold, he was the Chief Environmental Officer for the EKATI Diamond Mine in the Northwest Territories of Canada and the Environmental Manager for NovaGold (Alaska).  He also held roles as a permitting advisor to the Federal and Territorial governments, assisting in reviewing greenfield and brownfield projects throughout Northern Canada. Over the past thirty two years, Mr. Murphy has developed extensive experience in Indigenous, public and government engagement and consultation in support of the social acceptance for resource extraction projects. He has developed a keen understanding of the developmental risks associated with these projects, and he has successfully participated in the permitting several North American-based mining projects.

Elizabeth Miller has 20+ years of experience managing and implementing projects in BC, and Canada’s north. She is responsible for the environmental and reclamation programs for Seabridge Gold, including liaising with contractors, Federal and Provincial governments, indigenous communities and public interest groups for the past nine years. Her range of experience includes working as a Senior Biologist with the Government of BC, Environmental Specialist with BHP Billiton at the EKATI Diamond Mine, as well as consulting on environmental programs for a variety of developmental projects. Originally from Newfoundland and a member of the Qalipu Mi’kmaq First Nation, she grew up in the Northwest Territories and currently resides in Smithers, British Columbia (BC). Mrs. Miller is a Registered Professional Biologist in BC and holds a Master of Science degree.

Mike Skurski brings to Seabridge more than 28 years of mining experience in various technical, operational and leadership roles from early stage studies to mine operations through to mine reclamation. His background comprises engineering, project development, construction, and project evaluation for precious and base metal projects. Prior to joining Seabridge, Mr. Skurski worked for Newmont Mining Corporation for over a decade in their South American operations including leading their sulfides development program. Mr. Skurski’s early career comprised working as a civil geotechnical consultant focused on large earthworks mine projects throughout the Americas. Mr. Skurski has worked on mine projects in Peru, Chile, Bolivia, various western US states, Canada, Indonesia and Uzbekistan, and is a registered professional engineer (Colorado). Mr. Skurski holds a Bachelor of Science degree from the University of Nevada, Reno, Mackay School of Mines.

Marcus Adam was part of the Seabridge team that discovered and delineated the Deep Kerr and Lower Iron Cap zones at the KSM project. He is responsible for designing and executing the exploration programs at the Iskut and Courageous Lake projects. Mr. Adam is a Professional Geologist registered in British Columbia and obtained his MSc. in Geology (Research into mineralisation styles at Courageous Lake project) from the University of Western Ontario.

Randy Campbell has spent the last nine years conducting exploration in some of the world’s most sought after gold camps. He was a part of the team that discovered Lakeshore Gold’s Hwy-144 deposit and B2Gold’s Toega deposit in Burkina Faso. With experience in the Abitibi, Birimian, Nevada and the Golden Triangle, Mr. Campbell has had exposure to all stages of exploration (from grassroots to production). He is a professional geologist registered in Ontario and obtained his MSc from the University of Western Ontario.