The team

Olivier Testa
Olivier Testa, speleologist, engineer
Graduated from Ecole Centrale Paris. Passionate about underground environments, having participated in numerous missions around the world, Africa, Asia or the Caribbean: Olivier Testa manages the office every day, with rigor and dedication.

Pascal Orchampt, electronics engineers, speleologist
Co-founder of the company, well of knowledge, he masters a wide range of engineering skills and techniques. Pascal Orchampt ensures the design of our equipment and finds innovative solutions to all constraints linked to underground environments.

Céline Tomczyk, Geologist
Modern adventurer, woman of the field, cartographer, Celine Tomczyk worked for several agencies in geology prior to joining NOT Engineers as sales engineer.

Close partners

Sebastien Royer, diver, caver
Meticulous and precise, Sébastien Royer works in caves or underwater, even in extreme conditions. He is self employed and works exclusively with us.

Barnabé Fourgous, trainer, speleologist
Cave instructor and rope access works trainer, he will safely assist your team in harsh environments.
He masters techniques and has explored the world deepest cave in Abkhazia!
NOT partners with his company CORDATA


Fabien Noyer,
Third man of NOT Engineers as a co-founder of the company, Fabien has now moved onto other projects.