The Advisors Behind Vortelian's Analytical Edge

Vortelian Advisory's strength derives from a team that combines careers at international banks, asset managers, and corporate treasury departments. Each advisor brings firsthand experience managing currency risk in real market conditions, not theoretical frameworks. We operate as a genuinely collaborative unit, ensuring that every client strategy benefits from multiple senior perspectives before it is presented or implemented.

  • Marcus Delvine

    Managing Partner & Head of FX Strategy

    Marcus spent fifteen years as a senior FX strategist at two globally systemic investment banks before co-founding Vortelian Advisory. He has advised sovereign wealth funds and Fortune 500 treasuries on hedging programs spanning over thirty currencies. His specialization is the design of option-based structures that balance cost efficiency with robust downside protection.

  • Sylvia Krentchmar

    Director of Macro Research

    Sylvia holds advanced degrees in international economics and spent a decade in the economics research division of a major European central bank before moving to the private sector. At Vortelian, she leads the team responsible for G10 and emerging market currency forecasting and central bank policy analysis. Her work forms the macroeconomic backbone of every client hedging recommendation.

  • Tobias Haertel

    Head of Corporate Treasury Advisory

    Tobias previously served as Group Treasurer at a listed European industrial conglomerate with revenues across twenty-two currencies, giving him an operator's perspective on translation risk, bank relationship management, and hedging program governance. He now leads Vortelian's corporate client practice, helping finance teams build internally credible and externally auditable FX frameworks.

  • Amara Osei-Bonsu

    Senior Advisor, Emerging Markets

    Amara has devoted her career to the currency markets of sub-Saharan Africa, South and Southeast Asia, and Latin America, developing expertise in markets where liquidity, regulation, and data quality create unique challenges for institutional investors. She advises clients on sizing and structuring EM currency exposures and maintains an active network of local market specialists across key jurisdictions.

  • Nikolai Vrethen

    Quantitative Analyst & Risk Modeling Lead

    Nikolai holds a doctorate in financial mathematics and built his early career in the quantitative research teams of systematic macro hedge funds. At Vortelian, he develops and maintains the firm's proprietary risk models, including Value-at-Risk frameworks, stress-testing modules, and the scenario analysis engine that underpins client hedging recommendations.