Our team and press contacts

Tel: +41 44 220 13 36

Email: jonathan.decurtins@vanguard.ch

Jonathan Decurtins is the Head of Wholesale for Switzerland & Liechtenstein and a Managing Officer. He joined Vanguard in 2022 from Invesco, where he served as ETF Sales Manager for Switzerland. Prior to that, Jonathan worked as a Relationship Manager at RobecoSAM and held several roles at Zürcher Kantonalbank. He holds a Master's degree in Applied History from the University of Zurich, as well as a Bachelor's degree in Banking and Finance from HFBF Zurich.

Tel: +41 44 220 13 12

Email: manon.duez@vanguard.ch

Manon Duez, CFA joined Vanguard in April 2021 as a Senior Sales Executive for the Romandie, covering private banks, family offices and independent wealth managers. Prior to joining Vanguard, she spent 6.5 years at CdR Capital SA, a wealth manager boutique in Geneva as Investment Director, responsible for discretionary portfolio management, fund selection and implementation. Manon initially started her career in London with Morgan Stanley in the Investment Banking division, as an analyst advising on M&A and IPOs in the European Luxury and Retail space. In July 2012 she moved across to Morgan Stanley Private Wealth Management providing advisory and execution services to HNWIs in Geneva. Manon graduated in 2010 with a joint Master of Sciences (MSc.) in Finance & Strategy from IEP Paris (Sciences-Po) with a major in International Political Economy from the London School of Economics and Political Science (LSE). Manon took part in an international exchange semester with Georges Washington University during her bachelor and spent a year studying at NYU Stern School of Business. She is a CFA Charterholder since June 2014 and a member of the CFA Society Switzerland. Manon recently completed a Leadership Essentials course with IMD in Lausanne and obtained her CFA Certificate in ESG Investing in September 2021.

Tel: +41 44 220 13 12
Email: manon.duez@vanguard.ch

Tel: +41 44 220 13 30

Email: lukas.willi@vanguard.ch

Lukas Willi, CFA, CAIA is a Senior Sales Executive with responsibility in wholesale distribution in the German-speaking region of Switzerland and Liechtenstein. He joined Vanguard in 2024 from Franklin Templeton, where he held different business development and client relationship roles across EMEA and APAC over the course of nine years, most recently as a Global Financial Institutions Director based in Singapore. Prior to his time at Franklin Templeton, Lukas was with UBS for over a decade, predominantly in its Global Wealth Management division.

Lukas holds a Bachelor of Science in Business Administration with a Major in Banking and Finance from the Lucerne University of Applied Sciences and Arts. He is a CFA Charterholder and a Chartered Alternative Investment Analyst (CAIA).

Tel:+41 44 220 13 31

Email: ronald.birraux@vanguard.ch

Ronald Birraux joined Vanguard in December 2024 as a Sales Executive for the Romandie, covering private banks, independent wealth managers, and family offices. Prior to this, Ronald was a Relationship Manager – Index Sales Specialist at MSCI, where he managed a client portfolio in the French-speaking region of Switzerland, driving growth in index solutions across equity and fixed income. 

Before his time at MSCI, Ronald worked as a Relationship Manager at Credit Suisse Asset Management, focusing mainly on the wholesale distribution of ETFs and index funds for the Romandie. Ronald’s earlier career includes roles at Société Générale CIB, where he served as a Structured Products Sales in Paris and New York. These roles involved developing and executing cross-asset structured solutions for institutional and Wholesale clients in Latin America and France. 

Ronald holds a specialized master’s in quantitative finance from EM Lyon Business School and a master’s degree of the Catholic University of Lyon.

Tel:+41 44 220 13 35
Email: michael.iten@vanguard.ch

Michael Iten, CFA, is a Sales Executive in Vanguard’s Swiss distribution team. He is responsible for covering independent asset managers, private wealth managers, and family offices in German-speaking Switzerland and Liechtenstein.

He joined Vanguard in 2025 from LGT Bank AG, where he served as a Senior Portfolio Advisor, advising private banking clients (UHNWI) across Switzerland and Europe.

Previously, he spent over seven years at a Liechtenstein-based asset management boutique, where he was responsible for several investment strategies.

Michael holds a Master’s degree in Banking & Finance from the University of Zurich and is a CFA Charterholder.

Petra Schilter is the Office Manager and Sales Support in Switzerland and supports the Swiss business development team of Vanguard. She joined Vanguard in February 2023. Prior to this, Petra Schilter worked for 13 years for FactSet Switzerland AG in Zurich in a similar role. After finishing commercial school, Petra started her career at Ernst & Young and worked there for 10 years, next she moved to PWC for 2 years and changed after that to Thomson Reuters for 6 years.