Zlatko Martinic

Zlatko Martinic is Chief Investment Officer at GAMMA Investing, where he leads the firm's investment process and delivers custom portfolio solutions for institutional and private clients. He specializes in index and ETF-based investment strategies, applying an institutional approach to risk management and portfolio construction. Zlatko is responsible for the stewardship of GAMMA’s asset allocation, with a particular focus on risk-managed equity strategies and transition management for large, complex portfolios.

With over 25 years of experience, Zlatko has held senior roles including Head of Transition Management at Penserra and Head of Portfolio Implementation Americas at BlackRock. At these firms, he directed teams responsible for strategic account relationships, complex asset transitions, and implementation of multi-asset investment solutions, focusing especially on equities and fixed income instruments.

Zlatko is a Chartered Financial Analyst (CFA), having attended Business and Commerce School in Baden, Switzerland. His notable contributions include building high-performing investment teams, developing bespoke institutional index solutions, and delivering risk-controlled transition management for large asset owners. He is multilingual, globally experienced, and recognized for his expertise in custom indexing, transition management, and institutional portfolio construction across equity and fixed income sectors.