Tristan Rousselle
Chief Executive Officer, co-founder
Tristan Rousselle founded PX’Therapeutics (formerly known as Protein’ eXpert) in November 2000 with Nicolas Mouz and has been Chief Executive Officer since then. He began his professional career with Genome Express in 1999 where he was in charge of setting up the cellular biology department. Tristan holds a PhD in Cellular Biology from the University of Grenoble.

Nicolas Mouz
Chief Scientific Officer, co-founder
Nicolas Mouz founded PX’Therapeutics in November 2000 with Tristan Rousselle and has been Chief Scientific Officer since then. He previously held research positions in the Centre National de la Recherche Scientifique (CNRS) in Grenoble. Nicolas holds a PhD in Structural Biology from the University of Grenoble.

Lucile Marron Brignone
Director, Quality & Intellectual Property
Lucile Marron Brignone joined PX’Therapeutics in 2003 as Director of Quality & Intellectual Property. Before that, Lucile was in charge of Clinical Development, Regulatory Affairs and Intellectual Property in a general hospital. She holds a PhD in Organic Chemistry from the University of Lyon.

Claire Untereiner
Director, Business Development & Marketing
Claire Untereiner joined PXT in January 2008 as Business Development Manager and moved to the position of Business Development and Marketing Director in January 2011. In the past, Claire held various marketing & project management positions in health and life science sectors. She holds a Master's degree in Biochemistry from the University of Lyon and a Master's degree in Technology & Innovation Management from the EM LYON Business School.

Walter Low
Director, Technology Development & Antibody Engineering
Walter Low completed postdoctoral positions at University College London and Imperial College London before joining the local biotechnology industry where he served as Team Leader at Biogeny PLC and R&D Manager at MtM Ltd. He joined PX'Therapeutics in 2008 and in January 2010 he was appointed Director of Technology Development and Antibody Engineering. Walter holds a PhD in Biochemistry.

Marie Gaelle Roger
Director, R&D Project
Marie Gaelle Roger joined PXT in 2001 and was appointed Director of R&D project in October 2007. She graduated as a biotechnology engineer from the ENSAIA School of Nancy and is currently completing an MBA from the Lyon Business School.

David Siegrist
Chief Financial Officier
David Siegrist joined PX’Therapeutics in January 2009 as Chief Financial Officer. Prior to that, David held various positions in financial department of Calya Labs, OPi, Serono and Merial. He is a graduate of the Institut d’Administration des Entreprises of Lyon and Toulouse Business School.

Delphine Pau
Director, Human Resources
Delphine Pau joined PXT’ Human Resources Department in 2004 and became its Director in 2010. She holds a Master’s degree in Human Resources from the Westford Business School in Grenoble.