Jean-François Mainguet was born in France, 1960. He became an engineer for Télécommunications de Bretagne in 1984.
Since joining Thomson-CSF Semiconducteurs Spécifiques, Grenoble in 1984, he has been engaged in the development of SOS and SOI rad-hard semiconductor devices, electrical simulation, layout & mask design tools,
analog to digital converter design and invented the sweeping technique for direct silicon fingerprint scanning.
He was chief scientist of the FingerChip® project since Thomson became Atmel in 2000.
In 2009, he joined the CEA-Leti, Grenoble.