Thierry Chignon

Matignon Investissement et Gestion SAS (MIG) is an independent management-owned private equity investment firm based in Paris. MIG was established in 1996 through a management buy-out of Acmer from Banque Worms, formerly part of AXA-UAP and acquired by Deutsche Bank AG in 2001. Following the acquisition, Acmer was delisted. MIG manages private equity and venture capital funds, both generalist and sector specific.

AirInSpace SE develops and manufactures medically effective air decontamination systems for hospital, industrial and residential use. It provides solutions for airborne contaminations. The firm's products include Plasmair, Cool Plasmair, Immunair iso, Plasmair C2010, Biocair IF, and Biocair ML. Its services encompass equipment rentals, service contract, control measures, and training. AirInSpace's proprietary technology, Hepa-MD, also provides particle reduction efficiency and microbial destruction. AirInSpace was founded by Laurent Adrien Fullana in 2002 and is headquartered in Elancourt, France.

SuperSonic Imagine SA specializes in ultrasound medical imaging. The company designs, develops and markets a new generation ultrasound system, Aixplorer with an UltraFastTM platform that can acquire images faster than conventional ultrasound systems. Its products are used for general imaging, vascular, hepatology, gastroenterology, and research procedures. It operates under the Aixplorer trademark. SuperSonic Imagine was founded by Jacques Souquet, Armen Sarvazyan, Claude Cohen-Bacrie, Damien Dolimier, Georges Charpak, Jérémy Bercoff, Mickaël Tanter, Mathias Fink and Marianne Leven on March 10, 2005 and is headquartered in Aix-en-Provence, France.

Seqens SASU engages in pharmaceutical and healthcare industries. The company was founded on April 2, 2003 and is headquartered in Ecully, France.

Arterial Remodelling Technologies SA develops bioresorbable peripheral and coronary polymer stents. Its products includes ART PBS scaffold, procedure and Clinical data. The company was founded by Antoine Lafont, Michel Vert and J. Frederick Cornhill in 2001 and is headquartered in Paris, France.

Mérieux Equity Partners SAS (Mérieux Equity Partners or MxEP) is a Private Equity and Venture Capital firm, a subsidiary of Mérieux Développement SASU founded in 2009. The firm is headquartered in Lyon, France, with additional offices across the country.