Sebastian is a Director of NAOS Emerging Opportunities Company Limited (ASX: NCC), NAOS Small Cap Opportunities Company Limited (ASX: NSC), NAOS Ex-50 Opportunities Company Limited (ASX: NAC), and has held the positions of Chief Investment Officer (CIO) and Managing Director of NAOS Asset Management Limited, the Investment Manager, since 2010. Sebastian is the CIO across all investment strategies.

Sebastian holds a Master of Applied Finance (MAppFin) majoring in investment management as well as a Bachelor of Commerce majoring in finance and international business, a Graduate Diploma in Management from the Australian Graduate School of Management (AGSM) and a Diploma in Financial Services.