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Together, we share the same values and mission: reveal founders who overcome adversity, shake up conventions and summon the future to challenge the present. We answer our entrepreneurial call because you have already answered yours.

Tatiana Jama

Founder & General Manager

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 Since 2011, invested as Business Angel in +30 companies (, 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 :)

Jérôme Masurel


Jérôme founded 50 Partners in 2012, which gathered 200+ Partners and has supported hundreds of founders over the years in Tech, Impact and Healthcare industries. Jérôme previously worked in the Private Equity industry with Rothschild &Cie, Agregator and NextStage IM in Paris and New York.

Graduated from EMLyon Business School.

About: Passionate guitar player

Alice Groth


Started her career working at early-stage traveltech & insurtech startups (3 years between Paris & Berlin). Worked on accelerating VC funds at Bpifrance and on investing 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.

Hortense Deronchaine

Head of Legal

Over 25 years of experience. Previously worked as General Counsel specialized Funds & RCCI at Equitis, and as Senior Legal Counsel at Amundi PE Funds. Prior to that, she spent more than 7 years as Head of Legal at JP Morgan Fleming Asset Management.

Graduated from Sciences Po Paris and University Panthéon Assas Paris II.

About: Ballet & Opera enthusiast

Maxime Précourt

Chief Financial Officer

Worked as an Auditor at Mazars before specializing in Private Equity at EY Luxembourg as an Audit Manager where he worked for 5 years. Prior to that, Maxime started his career as a Credit Analyst at Arkéa Banque Entreprises & Institutionnels, working on the analysis of midcap and large cap companies.

Graduated from ESC Rennes School of Business

About: Vanlife lover

Natacha Brami


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

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