Guillaume
Martignoni

LBO
Senior Associate

Guillaume Martignoni joined the LBO team at Weinberg Capital Partners in late 2025 as a Senior Associate.

Prior to joining the company, Guillaume spent nearly 5 years at Mérieux Equity Partners, where he contributed to investments in several healthcare companies accros Germany, the Netherlands, Switzerland, and France.

Previously, he gained experience in M&A at Lazard and in private equity at 3i.

Guillaume is a graduate of emlyon business school.

“Beyond the analytical work of selecting investment opportunities, what motivates me above all is providing long-term support to leaders engaged in high-potential projects, thereby ultimately contributing to the public interest.”