Serial entrepreneur in the technology industry for the past 15 years. Tatiana co-founded with Lara Rouyres; Dealissime (exit to Amazon in 2011); Selectionnist, and Levia.ai. Since 2011, invested as Business Angel in +30 companies (Resilience.care, Armis, Regaind exited to Apple,...).

In 2018, Tatiana co-founded SISTA with Céline Lazorthes and Valentine de Lasteyrie to turn digital economy into a business led by a group of diversified leaders. 4 years later, she co-founded SISTAFUND to go one step further.

Very active in the FrenchTech ecosystem: Member of the French Digital Council (CNNUM), Member of The High Council for Equality between Women and Men (HCE), Member of The General Secretariat for Investment (SGPI), board Member of Eurazeo PME.

Dual background in business (HEC Paris, New York University) and Law (Paris Bar).

About: Publicly passionate about entrepreneurship and the GenderFundingGap, openly passionate about theater & champagne :)

Brings over 15 years of international investing experience across Europe, the UK and the US, backing technology companies from early stage through Series B.

Prior to SISTAFUND, Marie was an Investment Director at Educapital in Paris and a Principal at Edenred Ventures in London, where she led and supported investments resulting in multiple exits. She has served on numerous boards and partners closely with founders on strategy, scaling and governance.

Marie holds a Master’s degree in Management from HEC Paris and is a graduate of Sciences Po Lille.

About: Rarely too far from the ocean or a sports field. Women's sports advocate.

Gravitating in the tech ecosystem since 2018: jumped from consumer start-ups to work in VC in both investment and operations at Alliance Ventures, Alven and Target Global (Paris, Berlin). Switched once to the entrepreneurial side at UC Berkeley. Came back to VC in 2022 to back founders at SISTAFUND.

Graduated from Sciences Po Paris & HEC Paris' double degree X-HEC Entrepreneurs.

About: 50% scouting restaurants, 50% watching rockets taking off

Finance and fund-administration operator with 7+ years across France, Belgium and Luxembourg.

Prior to SISTAFUND, Arthur was Finance Director at Astanor Ventures, overseeing financial operations across a 40+ entity structure (Luxembourg funds, carry vehicles, feeders, OpCos) and sitting on the Board and Investment Committee. He started his career auditing banking and asset management clients at PwC Luxembourg and co-founded eShares.so in Brussels.

Graduated from Solvay Brussels School of Economics & Management (MSc Business Engineering, Finance).

About: happiest on a ski slope, a sunny terrace with house music on.

Brings experience across Healthtech, Deeptech and ClimateTech investing from Seed to Series B through roles at Crédit Mutuel Innovation and BNP Paribas Développement.
Prior to venture capital, Timothée worked at Domani, a silver economy startup focused on shared housing for elderly people, where he handled finance and operations.

Graduated from ESSEC Business School and Bocconi University’s double degree in Finance, he developed a strong attachment to European innovation ecosystems after growing up internationally between France and Italy.

About: outdoor guy, usually juggling between a rugby pitch, running shoes and a sailboat

Gabriel started out at Via ID, supporting mobility and automotive founders, and running the Moove Lab accelerator program at Station F. He then became Chief of Staff to the CEO of a wine-innovation startup, before moving into VC at SISTAFUND.

Originally from Marseille, he recently graduated from EDHEC Business School in Lille with an MSc in Entrepreneurship & Innovation.

About: a sports lover always on the judo tatami or training for an upcoming race, but also a fan of literature and cultural discoveries.