Frank Rittner has a robust background in the mining and resources sector, currently serving as Advisor to the CEO and Chief Operating Officer for Eurasian Resources Group in Kazakhstan since September 2019. Prior roles include Chief Technical Officer and COO at Nyrstar, COO at Kazzinc (Glencore), and Partner at PwC Russia, where Rittner led metals and mining advisory in Central and Eastern Europe. Earlier in their career, Rittner was Director of Strategy and Business Development at Interpipe and Associate Principal at McKinsey & Company, contributing to the global mining practice leadership. Rittner holds a Postdoctorate in Theoretical Chemistry from Columbia University and a PhD in Chemistry from TU Dortmund University.