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Jean-Sylvain Perrig has more than 25 years of experience in the management of private and institutional portfolios. He has an excellent track record in asset management and private banking. He will help you improve your investment process to achieve consistent, risk-adjusted performance. There are many pitfalls to
avoiding attaining good performance.


Passionate about financial markets , he firmly believes that asset allocation is the foundation of a professional and efficient portfolio management. He will be able to convince you that portfolio construction and the resulting asset allocation are the basis of a professional and efficient investment policy.


Before founding Premyss, he was the Chief Investment Officer at Banque Privée Edmond de Rothschild and Union Bancaire Privée (UBP). Jean-Sylvain Perrig holds a Master's degree in Economics from the University of Lausanne, as well as the Federal Diploma of Financial Analyst. He sits on the board of the Swiss Financial Analysts Association, having served as its president from 2016 to 2022.

Jean-Sylvain Perrig, Coach Premyss, Genève

The founder

Jean-Sylvain Perrig

L'eau bleue

Our values

Long-term orientation

A good investment process limits the number of transactions. Investing is not trading. Timing
is the antithesis of successful management because no one can predict what the markets will do over
a few days or weeks. Over the long term, each asset class delivers performance in line with its

Flexibility and customization

A good investment process is mandatory to perform. There are many ways to get good
results. That's why we support you in setting up a methodology adapted to your company’s culture, size, and the origin of your customers.

We firmly believe that a disciplined approach is the only one that can deliver superior investment results over time. Coherent and rigorous, our approach maximizes the likelihood of achieving the goals you have set for yourself.

Discipline and transparency

Proficiency and experience

Experience does not allow us to predict the evolution of financial markets. However, if we
learn from our mistakes, we can reduce the role of emotions that make us make bad decisions. This
requires a precise investment discipline based on facts, not feelings. This is what experience is for.

Independence and absence of conflicts of interest

We do not distribute products or provide advisory services. We have no conflict of interest,
as there is no hidden remuneration via retrocessions on management fees or when issuing
structured products. Our services are therefore guided solely by your interests.

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