Born in Loire Atlantique (France), Guy Hersant entered apprenticeship at the age of sixteen and obtained his CAP in photography while working as an assistant for several photographers.

It was the beginning of a personal photography, the revelation of the taste for traveling and the passion for Africa.

He created in 1982, and managed until 1989, the meetings of the photography in Brittany, then the gallery Le Lieu in Lorient.

He travelled again in West Africa and made photographic series of the valleys of the river Niger.

The project was to develop in the following years in France in Amiens, Le Touquet, Mulhouse; in Libreville (Gabon),[2] Gao (Mali), and in January, 2010 in association with Jean-Michel Rousset and Eric Adjetey Anang in Teshie (Ghana).