Our Leadership
Supersonic Shipping Investment Fund is led by a team of seasoned professionals with deep experience in chartering, technical operations, investment structuring, and asset management. Each team member brings a unique background but shares a unified commitment to operational excellence and investor alignment
Mike Xanthakis
Founding Partner
Mike holds an MSc in Operational Research from the London School of Economics. With a shipping career spanning two decades, Mike has closed over 500 bulk, tanker, and gas carrier transactions. He founded Supersonic Shipping Group after tenures at ACM Shipping, Grieg Shipbrokers, and Arrow Shipping (UK). Based between Greece and Monaco, Mike was named one of Lloyd’s List Top 5 Shipbrokers in 2015.
Konstantinos Oikonomopoulos
Partner
Konstantinos holds an MSc in Shipping, Trade & Finance (Cass Business School) and a Master’s in Electrical & Computer Engineering. His career includes investment roles at the Livanos family office, Borealis Maritime (KKR), and as CFO of NYSE-listed Okeanis Eco Tankers. He has raised over $1 billion in maritime debt and equity transactions.
Theo Sarantopoulos
Acquisitions & Finance
Theo holds degrees in Industrial Engineering (Northeastern University) and Shipping, Trade & Finance (Cass). He began his career at Arrow Shipping, held technical roles at Lomar and Sea Vision, and now focuses on acquisitions and strategic finance. Based between Athens and Monaco.