[2] After undertaking his training at the Vienna Commercial Academy (Wiener Handelsakademie), de Majo founded a design business in Belgrade in 1935.
[5] De Majo designed the museum exhibition at Baden-Powell House, London, which was opened by Queen Elizabeth II in 1961.
[6] In 1951, de Majo was the co-ordinating designer of the ‘Ulster Farm and Factory’ exhibition which was part of the Festival of Britain.
The exhibition, held at Castlereagh, Northern Ireland told the story of how Ulster earned its living through agriculture and industry, and had as its central theme, the continuing tradition of craftsmanship and skill in farm and factory.
[7] In 1963 de Majo became the first president of the International Council of Graphic Design Associations (ICOGRADA), an organization he founded with Peter Kneebone, recognizing “the need to create meaningful international dialogue around the future trajectory of graphic design.”[8] De Majo chaired the ICOGRADA Congresses in Zürich (1964) and in Bled (1966).