In this first episode of Twice ✌️, Thibaud Elzière sits down with Eduardo Ronzano, a serial entrepreneur who shares his journey: from founding KelDoc, the online hospital appointment platform later acquired by the Mutuelle Nationale Hospitalière, to co‑founding Kolet, now one of the leaders in the eSIM market.
Eduardo reflects on the lessons he’s learned, the personal and professional challenges he’s overcome, and how his approach evolved in his second entrepreneurial adventure.
We talked about:
His first entrepreneurial journey
Lessons learned from KelDoc
Transitioning into investing
The idea and vision behind Kolet
Partnering with airlines to offer eSIM plans
The differences between his first and second companies
Kolet’s mission and ambition
Timeline
[00:00:30] Introduction
[00:03:30] Family influence
[00:21:30] The Captain Train moment
[00:23:45] Launching KelDoc
[00:31:00] KelDoc’s pivot
[00:36:00] KelDoc exit
[00:40:00] Investment phase
[00:57:20] Discovering eSIM technology
[01:13:00] Building differently the second time
[01:21:00] Kolet’s vision
Products & People Mentioned
Jean-Daniel Guyot
Spendesk, Yubo, Memo Bank
Secret Fund
Revolut
Anne-Carole Coen
Jérémy Gotteland
Mehdi Chraibi
The first time you learn. The second time you understand.