Oliver Dachsel has more than 17 years of investment banking experience, advising private and publicly listed corporations and financial sponsors on M&A, shareholder activism and defense, capital structure optimization and capital formation (raising debt and equity capital in public and private markets). Prior to joining Aris Mining in April 2024, Mr. Dachsel was a Managing Director at Jefferies with coverage responsibility for mining companies in the base, battery and precious metals sectors globally. During his investment banking career, Mr. Dachsel has advised on more than $45 billion of completed M&A, debt and equity capital markets transactions, working at Jefferies (2016 – 2023) and Deutsche Bank (2006 – 2016) in New York (2011 – 2023), London (2008 – 2011) and Frankfurt (2006 – 2008). Mr. Dachsel earned his Master’s Degree in Economics and Business Administration at WHU – Otto Beisheim School of Management and currently serves on the Board of All Hands and Hearts, a charitable organization focused on disaster relief.