Bob Newman. In 1978, she was appointed Senior Type Designer at Hardy Williams Design in London and moved to Typographic Systems International in 1980. Sack began working as a freelance designer in 1983. Her clients included British Airways, Air UK and Vauxhall. In 1990, she and David Quay founded The Foundry, a company for the development, production and distribution of fonts. She also taught at a number of universities in the UK.