In the early 1970's he moved to Amsterdam, where he worked for the design group Ten Cate Bergmans and advertising agency Leo Burnett.
In 1979 he moved to Sydney, Australia, and became Creative Director for advertising agency Clemenger BBDO.
[7] He and his company have also designed many of Australia's leading packaging brands such as 'Thins' for Arnotts, 'Windex' and 'Toilet Duck' for SC Johnson, 'Dettol', 'UV Triple Guard', 'Exit Mould' and 'Disprin' for Reckitt Benkiser, 'Kleenex Tissues' and 'Huggies' for Kimberly-Clark, 'Wild Oats' for Oatley Family Wines and Coles Own Brand.
Hulsbosch has an extensive internship program to give young and upcoming designers the opportunity to experience brand agency culture and client projects.
Between 1982 and 1984 he won several major international advertising awards for Tia Maria, Campari, Pizza Hut and Hoover.