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: outside or work, she is rarely far from the ocean or a sports field.

Started her career working at early-stage traveltech & insurtech startups (3 years in Business Development between Paris & Berlin). Worked on accelerating VC funds at Bpifrance and on investing and fundraising at growth stage at Korelya Capital. Involved in SISTA NGO & StartHer since 2017.

Founding team SISTAFUND, and listed in the 2023 Forbes 30under30 list.

Graduated from HEC Paris’s double degree X-HEC Entrepreneurs, La Sorbonne & New York University.

About: Long-time horse-rider and back-country skier, also passionate about kitesurf.

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

Navigating the tech ecosystem since 2024: Leyna kicked off her journey in Mexico mentoring female entrepreneurs at Impulso before stepping into the driver’s seat as Chief of Staff to the CEO at Startup&Angels, where she orchestrated the Paris Startup World Cup. She joined the investment side in 2025 deep-diving into DeepTech at SISTAFUND.

Graduating at emlyon business school this year with a specialization in Data & Strategy , she also attended Lycée Henri IV. Fun fact: she was trained in Economic Intelligence by a French Air Force General on a military base

About: 50% Italian food, 50% winning French University Handball Championships.