
USAC Management Team

Chief Executive Officer
John C. Gustavsen
Mr. Gustavsen graduated from Rutgers University in 1970 with a BS in chemistry and started work for Harshaw Chemical Company’s plant in Gloucester City, NJ (purchased by Amspec Chemical Corporation in 1983), a major producer of antimony trioxide. Mr. Gustavsen took engineering courses at Drexel University from 1976 through 1980, and became president and treasurer of the company in 1983. He attended several accounting and financial seminars, took Chinese and Japanese language courses at the University of Pennsylvanian, and was promoted CEO in 1990. Mr. Gustavsen designed a new type of production furnace for antimony trioxide that eventually produced 20 million pounds of antimony trioxide per year. Mr. Gustavsen is conversant in Spanish, and other languages, and travelled to many countries as part of his duties as CEO/President of Amspec Chemical Corporation. Mr. Gustavsen came to work at United States Antimony Corporation in October of 2011.

Senior Vice President &
Chief Financial Officer
Richard R. Isaak
Rick started his career at Ernst & Young as a CPA in the assurance and advisory business services area for 12 years with extensive experience with managing public company audits and SEC reporting primarily for large, multinational companies. After Ernst & Young, Rick served in several senior leadership roles including CFO, Chief Accounting Officer, Controller, Treasurer, and Head of Investor Relations at four different companies over 20 years including Panera Bread Company, Heritage Home Group, and Merric Millwork and Seating, and Catholic Charities. He has a proven track record of leadership, strategic thinking, team development and execution, and business acumen which is welcomed at USAC during this period of change. Rick’s broad range of experience in public accounting as well as in industry, which includes strategic planning, financial planning and analysis, operational finance, cash flow optimization, customer, supplier, and third-party management, and information technology, will complement and enhance the USAC senior leadership talent and skills.
