Born in 1924 in Stockholm, Sweden, Berndal is a prolific type designer. He began his career as a Linotype machine operator, then graduated to a type designer and font pattern maker. He has also worked as a book designer, calligrapher, author, lecturer, magazine art director, trademark specialist, and teacher of typography.
He co-owns BIGG, a Swedish advertising agency, and Hålet, a gallery dedicated to the typographic arts.
He is now retired, but continues to design type as a hobby, and occasionally takes commissions from museums, advertising agencies, and companies.