Dr. Zweng has blended a technical and financial background in exploration and mining over the past 30 years. Dr. Zweng is CEO of Bellhaven Copper & Gold and co-founder of Sand & Gold, LLC. Prior to this, he was co-founder of Antares Minerals before it was acquired by First Quantum, CEO of QGX Ltd. before it was acquired by Kerry Group, and Partner at Palo Alto Investors. Earlier in his career, he led BHP Copperꞌs new business development efforts in the Copper Belt of Africa and was Manager of Exploration & Geology for the Tintaya mine in Peru. He has founded and led exploration companies that have discovered several significant mineral deposits including Haquira, Coroccohuayco and Antapaccay copper deposits in Peru, Baruun Naran metallurgical-thermal coal deposit and Golden Hills copper deposit in Mongolia, and La Garrucha gold-copper deposit in Colombia.
He received a PhD from Stanford University, United States, MSc degree from Queens University, Canada and two BSc degrees with distinction in Geology and Applied Earth Sciences from Stanford University.