Who we are


Prof. Mariana Christen Jakob
Founder and Managing Partner



With over 20 year’s experience in social innovation, CSR, impact measurement and impact investing, Mariana is an expert within the ecosystem of impact startups with a focus on tech for impact. She founded SEIF in 2011 with the aim to professionalize the impact entrepreneurship sector and provide startups with the necessary support to grow and scale successfully. Today, Mariana works together with her team to develop and implement new programs to accelerate impact driven startups and initiate impact measurement tools for the impact investing sector.

Zoé Dumont de Chassart

Senior Impact and Project Manager

Zoé is leading our accelerator programs that support impact-driven entrepreneurs to manage and scale their impact. She thrives in environments that promote innovative ways to solve contemporary challenges. She is convinced that knowledge sharing and the dissemination of both impactful and profitable business ideas are building a more sustainable business ecosystem.



Roman Suleiman

Impact Measurement Consultant

As Freelance Impact Management Consultant, Roman supports SEIF in conducting impact management projects. Moreover, he aims to strengthen synergies between startups and corporates in SEIF’s existing ecosystem. He believes that implementing sustainability taking a systemic approach is key to secure the long-term competitiveness of any organization. Besides his engagement at SEIF, he acts as the founder of a climate risk analysis startup. Previously, he worked in management consulting and impact investing, co-founded an agroforestry startup, and brings along additional experience from venture capital and technology. He holds a Master in Finance, Strategic Management, and Sustainable Business from Copenhagen Business School.


Eric Gisiger


As Partner at SEIF, Eric acts as Investment Advisor in the development of the platform and the underlying portfolio companies with a Tech for Impact focus. In addition to the positive impact, he sees great commercial potential and thus attractive investment opportunities in early-stage and growth companies addressing some of our most pressing global challenges. Eric is a seasoned and entrepreneurial investment professional with more than 20 years of successful international working experience covering the areas of private equity / venture capital, M&A, corporate development, international project- and institutional relationship


Luca Christen


As Partner with a focus on finance and investments, Luca supports the assessment of impact driven investment opportunities. He is a strong believer that entrepreneurs that have an impact purpose and a technical innovation are more driven – and thus more successful in their ventures. Luca currently works for a Swiss based startup active in climate change mitigation. Previously, Luca worked in finance in the agronomy sector in both Europe and South America and has Large Cap M&A experience. Luca holds a Master in Banking and Finance from the University of St. Gallen and is completing his studies in Innovation and Entrepreneurship at HEC in Paris.


Niccolò Schlueb

Impact Management Consultant

Niccolò’s role strongly focuses on accelerating and supporting impact-driven initiatives and mission-driven entrepreneurs. He has mentored and consulted numerous startups and lead several impact workshops. Besides, Niccolò is also invested in developing and implementing impact management tools and measuring and reporting the impact of young companies.


Join us


Thank you for your interest in SEIF and what we do. We really appreciate your drive to create positive impact. Please find our current opportunities below.

Currently no vacancies.

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