Rudolf Hilti (Rudi) is a Liechtenstein-based private investor, entrepreneur, and founder of The System Change Foundation. Through his company, RHEINEST, he drives systemic change by investing in sustainable transformation, cultural innovation, and social impact.

As an independent convener from Liechtenstein with a strong voice and low power dynamics, Rudi fosters ecosystems like the World Systemic Forum and THE HUS. His work breaks down traditional boundaries, reimagines value creation, and empowers new forms of leadership for a new era.

Prof. Dr. Thomas Zellweger is a professor of Business Administration with specialization in family b and holds the Chair in Family Business at the University of St. Gallen, Switzerland. He is also the director of the Swiss Research Institute of Small Business and Entrepreneurship (KMU-HSG). After serving as a marketing director at a fintech startup in Brussels, he completed his PhD at the University of St.Gallen with the highest distinction. His research, published in top academic journals, has earned him recognition as one of the most influential economists in the German-speaking world. He has received several international awards, and his work has been featured in major media outlets. Thomas has held visiting professorships at prestigious institutions and advises family firms on governance and strategic issues.

A multi-faceted career of 30 years in the wealth management industry, fostering strategic and operational excellence as advisor, coach, project leader, and manager of origination as well as back office units provided Marius with a wealth of cross-functional experiences and professional knowledge.

Today, Marius serves as Chief Operating Officer of Parkview, a global Multi-Family Office, which he co-founded in 2011, and he is a Senior Advisor and Associate Partner at Cambridge Family Enterprise Group, a global organization, founded in 1989, devoted to helping families achieve multigenerational success for their families, enterprises, and financial wealth.   

Marius is a trained economist and certified expert in information technology with an MBA from INSEAD. He is both, a CFA and CAIA charter holder and earned a certificate in Advanced Risk and Investment Management of Yale School of Management/EDHEC.

Stefan Larson, Ph.D.

Stefan joined Sectoral in 2018 and is currently a Venture Partner in the firm’s venture capital group. He serves as a director on the boards of Contineum Therapeutics, Prilenia Therapeutics, Lenz Therapeutics, and Amolyt Pharma. Stefan graduated in 1997 from McGill University with a B.Sc. in Biology, and in 1999 from University of Toronto with an M.Sc. in Molecular and Medical Genetics. He completed his Ph.D. in Biophysics at Stanford University in 2004. Prior to joining Sectoral, Stefan was an Entrepreneur-in-Residence and later Venture Partner with Versant Ventures, where he led the establishment of their Toronto-based Discovery Engine and was the founding CEO of Northern Biologics. He was also a cofounder of two medical device companies: Perimeter Medical Imaging, and Tornado Spectral Systems. He began his career at McKinsey & Company in San Francisco and Toronto.

Philip Best

Philip Best is the Chairman of QUAERO CAPITAL’s Board. He is also a Founding Partner of the company and a Portfolio Manager.

Philip started his career as a fund manager at Warburg Investment Management in 1983 initially as a trainee, then managing the Mercury European Income Fund. In 1987, he joined Enskilda Securities as a broker specialising in European small cap companies. In 1994 he established and ran the Paris office of The Europe Company Limited, a specialist research-driven European small cap brokerage (purchased by Jefferies & Co in 2000).
In 2003, Philip launched The Argonaut Fund, a fund he still manages today.
Philip graduated from Oxford University. He worked in London and Paris before he settled in Geneva. He is bilingual in English and French.

Marc Saint John Webb

Marc joined Quaero Capital SA in 2006 as portfolio manager.
He started investing in European equities in 1987, when he joined Warburg Securities in Paris. He subsequently worked as a research analyst for Schelcher Prince before moving on to small cap stock picking at Oddo. In 1997, he joined CCF Elysées Bourse as Head of the Small Caps Division, where he developed a new research product dedicated to smaller companies. He oversaw a number of IPOs and raised further capital for listed smaller companies. In 2001, he co-founded IXIS-Rothschild Midcaps, a Paris-based joint venture specialising in corporate brokerage and research on French mid-sized companies.
Marc studied at Aston Business School in England, the Complutense University of Madrid in Spain and INSEAD in France. He holds the diploma of the SFAF (the French Society of Financial Analysts).

Laurent Stöckli

Laurent joined Quaero Capital SA in August 2017 in the role of Research Analyst. He is Senior Research Analyst.

 He started his career working for a Swiss-based Hedge fund as research analyst and then Portfolio manager. Several years later, he joined the international family office, Stanhope Capital, with responsibility for the portfolio management in Geneva for Ultra High Net Worth Individual clients.

 Laurent holds a Bachelor in Business Administration from the University of Applied Sciences Western Switzerland.