Mathieu Mireault, co-founder of Dermadry and medical liaison, never intended to be an entrepreneur. Mathieu’s co-founder Maxime Calouche suffered from hyperhidrosis, which made life difficult growing up and as a young entrepreneur. His firsthand knowledge helped the company take shape. Maxime approached Mathieu about a new business idea – a machine that helped people with hyperhidrosis (excessive sweating).