Laurent Horwitz

Tech investor, mentor and advisor | B2B Entrepreneur | Cofounder and ex-CEO Companeo (acquired by Infopro Digital) | France/Portugal

📍 France🔄 Updated September 2026💼 1 investments📅 16 years investing🗓 Last invested Oct 2010
VC🌍 France
1
Total investments
1
Early stage
0
Mid stage
0
Late stage
16y
Years active

Portfolio

1 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Oct 2010
ISAI is the 1st French Tech & Digital Investment Fund co-founded in 2009 by successful Tech entrepreneurs (Pierre Kosciusko Morizet, Geoffroy Roux de Bézieux, Stéphane Treppoz, etc) and backed by 300+ Entrepreneurs’ LP and major institutional investors. Holding close its core values of Entrepreneurship, Honesty and Caring, ISAI is a team of 22 professionals based in Paris and NYC who all share the same guiding values of entrepreneurial success. The company is majority-owned by its employees. It keeps entrepreneurship at its heart and focuses on delivering excellent investment performance to its investor base. ISAI currently manages €550m of assets through four pillars of investment expertise: Early-Stage Venture Capital, Late Stage Venture Capital, Private Debt and Growth / Buyout. It is a household name associated with recognized Tech & Digital successes: Blablacar, 360Learning, Labelium, LegalStart, Theodo, aDvens, Copado, Alation, DataDome, Malt, Prose, StickyAds, Evaneos, etc.
Experience · 6 entries
All (6)
Investments (1)
Founder (2)
2025
Partner and Mentor
Jan 2025
COREangels is a global brand of hands-on angels, investing in early-stage startups through local portfolio funds. Our funds invest in a portfolio selected by the angels from a pool of startups curated by the leaders. Our angels are doing an incredible job of contributing to their local communities by, not only investing their money in the next generation of entrepreneurs but also mentoring them, with their experience and network. COREangel funds are co-investing across borders, sharing good practices, tools and opportunities using one proven model that merges financial outcomes with angel involvement.
Partner and Lead Mentor
Jan 2025
Inovexus is a cross-border acceleration fund platform investing in early-stage B2B tech founders with a global ambition.
2022
Partner and Mentor
Oct 2022
Accompagner les équipes fondatrices, dérisquer l’investissement, recruter les meilleurs talents. Cette mission, nous l’accomplissons avec le désir de transmettre à la nouvelle génération d’entrepreneurs et d’entrepreneuses les quelques clés de succès que nos expériences complémentaires nous ont apprises, et en réunissant au même endroit tout ce dont ils ont besoin pour décoller. 👩‍🚀 Envie de nous présenter votre projet en 15min ? 👩‍🚀 Complétez le formulaire suivant : https://www.tomcat.eu/rejoindre-tomcat/entrepreneurs-contact/ Nous vous recontacterons 🚀 Après une aventure entrepreneuriale à succès de 17 ans chez ProwebCE, vendue au groupe Edenred pour 300m d’euros, Patrice Thiry, Jeremy Pouyer et Pierre Marronnier sont rejoints par Elie du Pré de Saint Maur, ancien CMO de Doctolib et du groupe Edenred, pour co-fonder Tomcat fin 2020. Ce qui réunit l’équipe Tomcat depuis le Jour 1, c’est cette envie partagée de transmettre notre expérience, notre savoir-faire, nos erreurs et nos bonnes pratiques à la nouvelle génération d’entrepreneurs et d’entrepreneuses, pour accélérer et amplifier son succès.
2013
Co-Founder and Managing partner
Jan 2013
Wiz Invest is a dynamic investment firm committed to advancing the future of technology and sustainability. We specialize in identifying and nurturing high-potential startups, scale-ups, and funds across pivotal sectors, including marketplaces, B2B SaaS, e-commerce, generative AI, climate tech, and health tech. Our mission is to strategically invest in and support transformative companies, empowering them to innovate and grow. With a hands-on approach, we provide more than just capital—offering expert guidance, resources, and tailored support to help our partners scale sustainably and effectively. At Wiz Invest, we are building a future that is both cutting-edge and resilient, one investment at a time
2010
Investor
Oct 2010
ISAI is the 1st French Tech & Digital Investment Fund co-founded in 2009 by successful Tech entrepreneurs (Pierre Kosciusko Morizet, Geoffroy Roux de Bézieux, Stéphane Treppoz, etc) and backed by 300+ Entrepreneurs’ LP and major institutional investors. Holding close its core values of Entrepreneurship, Honesty and Caring, ISAI is a team of 22 professionals based in Paris and NYC who all share the same guiding values of entrepreneurial success. The company is majority-owned by its employees. It keeps entrepreneurship at its heart and focuses on delivering excellent investment performance to its investor base. ISAI currently manages €550m of assets through four pillars of investment expertise: Early-Stage Venture Capital, Late Stage Venture Capital, Private Debt and Growth / Buyout. It is a household name associated with recognized Tech & Digital successes: Blablacar, 360Learning, Labelium, LegalStart, Theodo, aDvens, Copado, Alation, DataDome, Malt, Prose, StickyAds, Evaneos, etc.
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