Who we are

We are a team of entrepreneurs and experts working hard to create the capital markets infrastructure of tomorrow, leveraging blockchain and distributed ledger technologies, where it makes sense.

Collectively we regroup deep engineering, financial services, and regulatory expertise. Our experience is diverse and complementary: we have designed and run critically acclaimed financial services platforms, restructured companies, developed algorithms that are currently used by your mobile phones, and contributed to defining the regulatory standards of tomorrow.

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Sebastien Dessimoz

Sebastien Dessimoz

Co-Founder & Managing Partner

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Lamine Brahimi

Lamine Brahimi

Co-Founder & Managing Partner

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Oren-Olivier Puder

Oren-Olivier Puder

Co-Founder & Chairman

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Sébastien Dessimoz, CFA is a co-founder and Managing Partner of TAURUS Group SA.

He previously held several C-level executive and board level positions for leading asset management firms, with strong expertise in product development, trading, IT, business development and transformation.

He worked 5 years at Syz Asset Management as Chief Operating Officer, Member of the Executive Committee and Board Member of several regulated entities. Previously, Sébastien spent 3 years at BrevanHoward, the biggest European hedge fund, as Managing Director and head of the Swiss office. Sébastien Dessimoz also worked at Lombard Odier, notably as Head of Hedge Fund business development and investment manager. Sébastien spent 5 years as a senior management consultant at McKinsey & Company. Sébastien started his career as an engineer in the Silicon Valley for 3Com Corporation.

Sébastien holds a MSc in Communication Systems Engineering from EPFL and MBA from INSEAD. Sébastien is also CFA charter holder.

Lamine Brahimi, CFA is a co-founder and Managing Partner of TAURUS Group SA.

Prior to co-founding TAURUS Group SA, Lamine was previously Deputy-COO, Chief Digital Officer of Lombard Odier’s wealth management unit as well as General Secretary of the Group.

In his capacity as Chief Digital Officer, he spearheaded the design and development of Lombard Odier’s wealth management digital strategy leading to several critically acclaimed platforms in particular in relation to investment advisory. He also pushed the first real blockchain prototype to be tested in a private bank (clearing and settlements of structured products with the Swiss Stock Exchange and Swiss Fintech Innovations).

Between 2016 and 2018, he represented the Swiss Private Banks at the Fintech Commission of the Swiss Bankers Association and was a founding member and Board member of Swiss Fintech Innovations. He is a regular speaker at swiss and international seminars on innovation, fintech, and digitalisation. He started his career as a management consultant at McKinsey & Company where he advised financial services companies, industrial companies and governments on strategic, financial, and operational issues.

Lamine holds an MSc in Communication Systems Engineering from EPFL, an MBA with distinction from INSEAD, and is also CFA charterholder.

Oren-Olivier Puder is a co-founder of TAURUS Group SA and chairman of the Board.

Oren is a lawyer by training and a Partner at Junod, Muhlstein, Levy & Puder law firm. He worked for a number of years in Bern with the Swiss Financial Market Supervisory Authority (FINMA), including particularly as head of the investment funds department for French-speaking Switzerland. He also acted as legal adviser to the president of the Swiss Bankers Association.

Oren advises Swiss and international clients particularly on banking and financial law, corporate law and contract law. More particularly, he assists financial institutions (banks, securities dealers, fund management companies, asset managers of investment funds and pension funds, independent asset managers) and represents them before the regulatory authorities and the courts. He is a financial services expert and specialises in the establishment of collective investment vehicles (transferable securities funds, alternative funds, real estate funds). He is a regular speaker at seminars on banking and financial law.

Oren is also the chairman of one of the largest hedge fund in Europe and member of the board of an independent Private Equity firm.

Oren is a graduate of the University of Geneva (law degree) and of Georgetown University, Washington D.C. (Master of Laws/LL.M). He was admitted to the Geneva Bar in 2003.

Christian Gellerstad

Christian Gellerstad

Member of the Board

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Dr. Jean-Philippe Aumasson

Dr. Jean-Philippe Aumasson

Chief Security Officer

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Dr. Nicolas Bonvin

Dr. Nicolas Bonvin

Chief Architect

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Christian Gellerstad is a recognized and respected figure in the Swiss financial industry.

He has spent more than 20 years with the Pictet Group in Switzerland, Europe, and North America where he ultimately became Equity Partner and CEO of the Pictet Wealth Management unit which he led from 2007 until 2018.

Since 2019, he is a Non-Executive Board Member of Credit Suisse Group, where he is also a member of the Compensation Committee and the Conduct and Financial Crime Control Committee.

Christian Gellerstad holds a MSc in Finance and Banking from University of St. Gallen (HSG). He is a Certified International Investment Analyst (CIIA) and Certified Portfolio Manager and Financial Analyst (AZEK/CFPI). He also followed several advanced programs and IMD Business School and Stanford law school.

Dr. Jean-Philippe Aumasson. Jean-Philippe (JP) Aumasson is an expert in cryptography and Head of Security at TAURUS Group and member of its Executive Committee since the creation of the Company.

JP wrote the books Serious Cryptography (No Starch Press, 2017) and The Hash Function BLAKE (Springer, 2015), and designed the widely used algorithms BLAKE2 and SipHash. He has performed numerous security assessments for blockchain and cryptocurrency technologies, and has worked for leading organizations such as IOHK, Waves, or ZCash. He has spoken at leading information security conferences such Black Hat, DEFCON, RSA, CCC, Infiltrate, and Troopers about applied cryptography, quantum computing, and platform security.

He holds a PhD in Cryptography from EPFL (2009) and has previously worked for 8 years in applied cryptography, security architecture, and cybersecurity within the Kudelski Group

Nicolas Bonvin is Chief Architect of TAURUS Group SA. He is an experienced, hands on, software and system architect specialized in the fields of large-scale systems, cloud computing, security and technology innovation.

Prior to joining TAURUS Group SA, Nicolas worked as an architect and lead developer in different sized companies evolving in industries such as banking, telecom and retail.

In his capacity as Lead Back-Office Architect of LeShop.ch, one of Europe’s largest online grocery stores, Nicolas has transformed and migrated a 15 years-old legacy system running 24x7x365 into a collection of modern cloud-native applications deployed on a fully automated infrastructure spanning several datacenters.

Nicolas has been CTO of startups developing web platform and cloud storage solutions.

He has spoken at leading database and distributed system conferences (ACM/IEEE) such as CCGRID, SC, ICDE, SOCC or CLOUD.

Nicolas holds an MSc in Computer Science from EPFL and a PhD in Distributed Systems from EPFL (2011).

Sébastien Pasche

Sébastien Pasche

VP Engineering

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Maxime Pleschia-Buchi

Maxime Pleschia-Buchi

Branding Advisor

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Sébastien Pasche is VP Engineering at Taurus Group S.A. and a cyber-security expert with hands-on experience on distributed cloud architecture and large-scale deployment of hybrid infrastructure. He is responsible of building a highly scalable, distributed, and resilient infrastructure for Taurus.

Previously, Sébastien was CTO of several high-profile projects at ELCA where he built teams and designed a distributed open-source Swiss CASB Solution. He also held the role of Security and Infrastructure Lead Architect at LeShop.ch, one of Europe’s largest e-commerce stores. In this capacity, he has helped transform and migrate a 15 year-old legacy system running 24x7x365 into modern, cloud-native applications deployed on a fully automated infrastructure spanning several datacenters. Sébastien is also regularly consulted as a security architect with a focus on improving legacy software and on advanced DevOps issues.

Sébastien has delivered several keynote speeches at multiple open-source, Security, DevOps conferences and regularly gives lectures at Swiss universities.

Passionate about contemporary art, Sébastien is also a fervent traveler deeply interested in cultural diversity and politics.

Sébastien holds an MSc in Computer Security from HES-SO and multiple professional Network and Security certifications.

Maxime Plescia-Buchi is a Swiss-born Creative Director and Artist. He graduated from ECAL in 2005.

In 2006 he moved to London where he founded the cult-classic post-zine project Sang Bleu Magazine.

As an art director, he created logos and designs for entities such as Hublot, Rick Owens, McQueen, Mugler, Balenciaga.

After an apprenticeship as a tattoo artist under the esteemed Leu family in Lausanne, Buchi then moved back to London. In 2015 Buchi opened his first tattoo studio Sang Bleu London home to world renowned tattoo artists attracting the likes of Frank Ocean and Kanye West. A year later the first international Sang Bleu studio opened in Zürich Switzerland to meet with the rise in international interest.

Alongside this Sang Bleu has evolved into a multi-dislplincary platform that spans across art direction publishing typography art installations and fashion design. Sister projects founded by Buchi include the type design studio SwissTypefaces and the editorial platform TTTISM.

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