Management Team

Biography PhotoDr. Stephen Clarke
Chairman and CEO
Dr. Stephen Clarke
Chairman and CEO


Dr. Stephen R. Clarke is Aqua Metals’ Chairman of the Board and CEO.

Steve is responsible for the overall corporate vision and strategy and is involved in all cross-functional areas of Aqua Metals. Steve has spent the last two decades developing, commercializing and monetizing disruptive technologies focused on advanced batteries and advanced materials.

Prior to Aqua Metals Steve co-founded Applied Intellectual Capital in 1993 to develop advanced batteries and relate... 
Biography PhotoSelwyn Mould
Chief Operating Officer and a co-founder
Selwyn Mould
Chief Operating Officer and a co-founder


Selwyn Mould is Aqua Metals’ Chief Operating Officer and a co-founder. Selwyn is responsible for Aqua Metals’ operations, including AquaRefinery operation, equipment manufacturing, manufacturing strategy, technology development, process development and product engineering.

Prior to Aqua Metals, Selwyn served as Chief Operating Officer of Applied Intellectual Capital, where he led manufacturing strategy, supply chain, technology development and process development. In addition, he ... 
Biography PhotoMark Weinswig
Chief Financial Officer
Mark Weinswig
Chief Financial Officer


Mark Weinswig became Chief Financial Officer of Aqua Metals in August 2017. Mark is responsible for all financial and general and administrative areas of the company.

Prior to joining Aqua Metals, Mark served as Chief Financial Officer at One Workplace, a private company and as CFO at Emcore Corporation.

Previously, Mark held numerous management roles at Avanex (now Oclaro), including Interim Chief Financial Officer and Vice President of Financial Planning and Business Devel...