The Swiss Who’s Who (SWW), Switzerland’s reference platform of influence, bringing together 1,500 leaders from business, politics, research, culture and sport, was acquired in September by Dr. Jérôme Koechlin, entrepreneur and expert in leadership and strategic communication.
He succeeds Olivier Mancassola as Chief Executive Officer, while Mancassola remains fully involved as Chief Operating Officer, ensuring continuity and synergies in the future development of the network.
Switzerland’s network of networks
The Swiss Who’s Who (swisswhoswho.ch) brings together around 1,500 accomplished leaders and recognised experts in Switzerland who have built their success in business, finance, politics, science, research, education, media, sport and culture. A unique professional network combining a biographical dictionary and an exclusive digital platform, the Swiss Who’s Who enables members to access a unique circle of decision-makers – including business leaders, entrepreneurs, bankers, researchers, artists, athletes and philanthropists – with the mission of promoting excellence, leadership, impact and transmission. The Swiss Who’s Who includes leading personalities such as Sergio Ermotti (CEO of UBS), Simone Wyss-Fedele (CEO of Switzerland Global Enterprise), Nicolas Brunschwig (Chairman of Rolex), Philomena Colatrella (CEO of CSS), Mirjam Staub-Bisang (Chair of BlackRock Asset Management Switzerland), Roger Federer and Fabian Cancellara.
The Swiss Who’s Who includes leading personalities such as Sergio Ermotti (CEO of UBS), Simone Wyss-Fedele (CEO of Switzerland Global Enterprise), Nicolas Brunschwig (Chairman of Rolex), Philomena Colatrella (CEO of CSS), Mirjam Staub-Bisang (Chair of BlackRock Asset Management Switzerland), Roger Federer and Fabian Cancellara.
The NextGen is also represented with talents such as Pierre Bi (Founder & CEO of Enshift), Lea Miggiano (Co-founder of Carvolution) and Sunnie Groeneveld (Founder of Inspire 925).
A new strategic momentum
Under the leadership of Dr. Jérôme Koechlin, the Swiss Who’s Who is pursuing an ambitious development strategy built around four priorities:Sous l’impulsion de Jérôme Koechlin, le Swiss Who’s Who engage une stratégie de développement ambitieuse, articulée autour de quatre priorités :
- High-level events – exclusive meetings fostering the Club spirit and high value-added exchanges among members.
- Enhanced service offering – launch of premium services in leadership and strategic communication, in partnership with Leadership Management International (LMI).
- Modernised digital platform – an interactive space for exchanges, resources and visibility for members.
- Enhanced reach – a 360° communication plan combining events, public relations, strategic partnerships and societal engagement.
The highlight of this new dynamic will be the SWW Annual Meeting, organised in Geneva in 2026 and in Zurich in 2027. These events will be true summits dedicated to innovation, AI and leadership, bringing together high-level speakers in a TED Talk–inspired format, and honouring inspiring personalities – Entrepreneur, Researcher, Philanthropist, Hotelier, Athlete and Artist of the Year.
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Statements
Dr. Jérôme Koechlin, CEO of the Swiss Who’s Who:
“I am delighted to take over the Swiss Who’s Who and to continue its development alongside Olivier Mancassola. Although modest in size, Switzerland is an exceptional pool of talent and expertise. With our members and partners, we aim to build a Swiss platform of influence with international reach, highlighting the excellence and leadership that are the strength of our country.”
Olivier Mancassola, COO of the Swiss Who’s Who:
“This acquisition represents a strategic milestone long awaited by our members and partners. Jérôme Koechlin perfectly embodies the values and vision of the Swiss Who’s Who. Together, we will strengthen the ambition and entrepreneurial spirit of this unique network.”
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About Jérôme Koechlin
Holder of a PhD in Economic and Social Sciences, graduate of the University of Geneva, New York University and the Swiss Board School, Jérôme Koechlin has held senior positions in the banking, biotech, public and media sectors (Serono International, Lombard Odier, UBP, Edmond de Rothschild, REYL Intesa Sanpaolo, Fondation Aventinus, State of Geneva). In June 2025, he became a Partner of Leadership Management International (LMI – lmi-swiss.com) in Switzerland and founded JK Consulting (jkconsulting.swiss). Author and speaker, he also runs a blog on leadership and communication for Bilan magazine.
About Olivier Mancassola
A graduate of ESCE Paris, Olivier Mancassola has led and transformed the Swiss Who’s Who since 2017. An entrepreneur in communication and events, he is also the founder of score.estate (real estate). Passionate about culture, he is involved in numerous philanthropic and cultural projects, including the Septembre Musical Montreux-Vevey and Visions du Réel.
About the Swiss Who’s Who
The Swiss Who’s Who (swisswhoswho.ch) brings together 1,500 Swiss leaders from business, finance, politics, research, education, media, sport and culture. A premium platform of influence, it combines a renowned biographical dictionary, a digital platform and exclusive events, with the mission of promoting excellence, leadership, impact and transmission.