

WHO WE ARE
Experienced, independent investment specialists delivering unbiased, intelligent strategies. We are investors for a changing world, protecting and growing wealth for entrepreneurs, family offices, and institutional investors across generations

What We Believe In
Intelligent wealth stewardship,
tailored to you
We believe enduring wealth is built on clarity, independence, and wisdom. Our personalised approach ensures your values and ambitions shape every decision. We build lasting relationships founded on mutual respect, guiding you confidently towards lasting financial success
OUR Investment philosophy
We believe in wisdom-led investment - balancing risk, reward, and responsibility to create sustainable, long-term success
4
Global offices
40+
Team members
16
Languages spoken

Our strategies are guided by a commitment to clarity, independence, and deep market understanding.
Stefan Reutter - GROUP CEO

Outsourced Chief Investment Office
Purposeful stewardship, guided by independence
Strategic portfolio oversight demands tailored advice aligned precisely with your objectives. Our OCIO service combines rigorous expertise, independence, and diligent stewardship, ensuring your wealth is managed responsibly and with precision
Our People
Our international team combines deep expertise, independent thinking, and proactive stewardship to guide clients towards lasting financial success

Stefan Reutter
Group Chief Executive Officer
Zürich
Stefan is a seasoned finance professional with an extensive and successful career in banking and financial advisory services. He spent 14 years at J.P. Morgan and UBS in various senior management and client coverage roles, including Regional Vice Chairman for UHNW clients in EMEA for UBS. Prior to banking, Stefan was a managing partner of Deloitte Corporate Finance, as a leading mid-cap M&A advisor, and KPMG running the valuation and private equity team. Stefan studied at the University of St. Gallen and is fluent in German, English, Russian and French.

Philip Stangl
Group Chief Investment Officer
London
Philip Stangl is a seasoned Chief Investment Officer and Senior Investment Executive with over 25 years of experience in global investment management and UHNW advisory. He was previously a Partner at Azura, where he also served as Portfolio Manager of the firm’s flagship fund. Prior to that, he spent 22 years at J.P. Morgan, rising to Managing Director and leading UHNW investment businesses in Hong Kong, London, Geneva, Zurich, and Frankfurt. He began his career at American Express Bank with roles in New York and Singapore. Philip holds a Master’s degree from the Vienna University of Economics and Business Administration and is fluent in English, German, and French.

Andrea Petrelli
Group Chief Risk Officer
London
An expert in the financial risk field, with 25 years’ investment and risk management experience. Andrea spent 16 years at BlueBay Asset Management and Credit Suisse as an investment risk and performance officer. Other roles at Intesa Sanpaolo and Dianos included financial engineer and quantitative market risk manager. Andrea was a postdoctoral researcher at Argonne National Laboratory, and a visiting PhD researcher at the CERN. He holds a PhD in Theoretical Physics from the Università di Pisa.

Olga Pisarenko
Group Chief Financial Officer
London
Olga is a highly accomplished finance executive and qualified lawyer with over 15 years of experience across international finance, consulting, and asset management. She previously served as CFO at RJI Capital, where she led cross-border transactions and strategic financial operations. Her prior roles include Head of Financial Control at Jetstone Asset Management, Director of Finance at Ion Asset Architecture, and VP Finance Director at ZAIS Group. Olga is a Chartered Certified Accountant (FCCA) and holds an MBA from the University of Oxford.

Konstantinos Yiannaki
Chief Compliance Officer
LIMASSOL
Konstantinos is a financial services specialist with over 13 years of experience in regulatory compliance, risk, and advisory. He has held senior roles across investment firms and consultancies, including Group Chief Compliance Officer at M4Markets and Manager in Deloitte Cyprus’s Regulatory Risk Advisory practice. He currently leads regulatory affairs for an international family office and investment group with operations across four jurisdictions. Konstantinos is recognised for his cross-border expertise in governance, controls, and financial regulation.

Carole Sokhn
Head of Investments Middle East, CFA
Abu dhabi
Carole is a senior investment executive with over 25 years of experience in finance, focusing on multi-asset portfolio management, asset allocation, and product development. She most recently served as Managing Director and Team Head of Investment Advisory for Private Banking clients at Emirates NBD. Prior to that, she held senior leadership roles at Kuwait Financial Centre – Markaz and Global Investment House, covering Corporate Finance, and Wealth Management activities. Carole is a CFA Charterholder and has extensive experience advising HNW and UHNW clients across the Middle East and Europe.

INSIGHTS
Clarity through complexity, grounded in conviction
Every month, our "Beneath the Surface" series explores the forces shaping markets and economies—delving beyond headlines to reveal the underlying dynamics. With thoughtful analysis and a global perspective, Signet’s insights are crafted to inform, challenge, and guide discerning investors through a shifting landscape.
