Desmarets was born in Ypres. He spent his childhood in Wervik. He studied sculpture at the Royal Academy of Fine Arts in Ghent.
Jef Vermassen characterizes this Flemish sculptor as follows: He is enthralled by the immense power, the intense beauty and the sensual agility of certain animals and people that he can not help but use his own intensive power to create what has sprung in his mind. expressing in his art creations and really bringing them to life.
In 2003 he was commissioned by the then Prime Minister of Belgium Guy Verhofstadt to make the wedding gift for Prince Laurent and Princess Claire.