Our Story
A New Opportunity in Old Mines
Gold Vault’s strategy began with a simple observation: valuable gold and silver remain above ground at thousands of historic mine sites across the American Southwest.
Over five years, the team has developed the data, technical expertise, sampling program, and project pipeline required to identify and advance the most promising of these resources.
Gold Vault Partners LLC is now focused on scaling that model.
Leadership
Experienced. Committed. Focused on value.
Bennett J. Yankowitz
Chief Executive Officer
Bennett Yankowitz brings more than three decades of experience in corporate law, securities, finance, M&A, and business development. His career has included senior roles in energy and public companies as well as extensive experience advising complex corporate and investment transactions.
He holds degrees from the University of California, Berkeley, the University of Southern California, and the University of Cambridge.
Jeffrey Sweeney
Senior Financial Advisor
Jeffrey Sweeney is a founder, investment banker, and fund manager with decades of experience in corporate finance, asset management, and business development. He is Founder and Chairman of US Capital Global, a full-service global private financial group headquartered in San Francisco, where he has led the firm’s growth as a provider of financing solutions and investment opportunities for lower middle market businesses.
Prior to entering finance, Jeffrey served as a principal and CEO of Machine Works Corporation, an aerospace manufacturing company. He holds a bachelor’s degree in Business Economics from the University of California, Santa Barbara.
Bill Hall
Senior Financial Advisor
Bill Hall brings more than 35 years of experience in finance, banking, investment analysis, valuation, risk management, strategic planning, and business development. He has completed more than 700 valuation studies, appraisals, and market analyses involving assets with an aggregate value exceeding $10 billion.
At Gold Vault, Bill applies his financial and analytical expertise to the evaluation and development of historic mining resources. He previously spent 25 years at Continental Advisors and holds a B.A. in Business Administration and an MBA in Finance from Michigan State University.
James Mattern
VP of Geology & Engineering
James Mattern has three decades of experience as a consulting geophysical engineer across the mining and energy industries. His work has included the evaluation and successful development of an alluvial gold mining project in Guyana.
He holds a B.Sc. in Geophysical Engineering from the Colorado School of Mines.