Lebenslauf:

Rayan Ayari

Appenzell, Switzerland  ·  raiis.ch  ·  ORCID: 0009-0002-0616-9133

Current Position

Co-Founder & CEO, RAIIS GmbH, Appenzell, Switzerland (2023–present)

Education

PhD, Quantitative Finance / Econometrics, Zeppelin Universität, Germany (2021–2025)

M.A. Economics, University of St. Gallen (HSG), Switzerland (2019–2021)

B.A. Economics and Banking & Finance, University of Zurich (UZH), Switzerland (2015–2019)

Professional Experience

Deputy Chief Risk Officer & Risk Manager, True Wealth AG, Switzerland (2021–2024)

Research Assistant, Chair of Finance, Zeppelin Universität, Germany (2021–2025)

Investment Specialist, Migros Bank, Switzerland (2017–2021)

Papers

Ayari, R. (2025). “Feature Configuration Effects in DRL Portfolio Management: A Risk-Focused Evaluation under Market Stress.” Quantitative Finance. Taylor & Francis.

Alkan, D., Ayari, R., & Paraschiv, F. (2025). “Green Fees: Sustainability Impacts on Portfolio Management.” International Review of Financial Analysis. Elsevier.

Paraschiv, F., Anderer, B., & Ayari, R. (2024). “Gone with the Wind? An Assessment of Germany’s Onshore Wind Industry Amid Rising Chinese Competition.”Sustainability, 16(24). MDPI.

Ayari, R., & Paraschiv, F. “Beyond the Efficient Frontier and 1/N” Working paper.

Ayari, R., Paraschiv, F., & Schürle, M. “Intraday Electricity Markets in Germany.” Work in progress.

Alkan, D. & Ayari, R. “A Ledger-Based Logic of Capital Flows: The Portfolio Management Framework.” Work in progress.