A former member of the Raptors Intervention Fund, Bernard has been a keen observer of nature for 50 years. The defense of the biodiversity is at the top of the list of his priorities. Bernard was treasurer and then President of the LPO Franche-Comté, he was elected at the beginning of 2021 President of the new LPO Bourgogne Franche-Comté. He worked in the medico-social sector.