1944 – Itagiba, Bahia
He had his first exhibition in 1962, at Parque da Água Branca, in São Paulo.
From 1966 onwards, Waldomiro lived traveling through Europe, exhibiting in France, Italy, Belgium and Holland and even lived for 4 months on a kibbutz in Israel where he also held several exhibitions. He has presented his paintings in many galleries and museums around the world such as Galerie Antoinette in Paris, Galerie Isy Brachot in Brussels, 18th Bienal de São Paulo, Galerie l'Oeil de Boeuf in Paris, L'Ariette Gallerie d'Arte in Bologna , Nice Anatole Jakovsky Museum, São Paulo State Pinacoteca, Munich Galerie Charlotte, Rio de Janeiro National Museum of Fine Arts, among others. Considered by many art critics as one of the biggest names in Brazilian naive art. In 2014, he held a major retrospective exhibition of his work at the Museu de Arte de Goiânia, celebrating his 70th birthday. “Its colors, themes, symbology, personality and religiosity are intertwined and confused. Everything is a reason for him to exhibit a technique that he learned on his own, without ever having set foot in a school of any kind.” wrote critic Oscar d'Ambrosio in his book “Os Pinçeis de Deus”, published in 1999.