Hiroo Isono was born in 1945 in Aichi Prefecture Japan. He graduated from Aichi University of Education 1968. From 1970, He worked for a corporate design studio and he started his career as a free-lance illustrator.
Isono's work, with its main theme in nature, whether jungle, forest, or tropical, is filled with a serene atmosphere, with the strength and appeal of Nature's wonder.
Isono has traveled to various forest and jungle places such as Yaeyama Island, Aokigahara ("Sea of Trees") near Mt. Fuji, Yakushima Island in Japan, and he made a long awaited journey to Archipelago, Solomon Islands, Amazon, North America, Kenya, Tanzania, Papua New Guinea, New Zealand, Australia, Canada, Maraicia and other forest regions.