After having finished a Master in Business Administration at the Stockholm School of Economics Stefan Engström worked two years for the oil company Esso with logistics followed by 5 years as Marketing Manager at Swedens main shipping company Salén where he was managing Contracts for refrigerated shipping of citrus-, decidous- and tropical fruits.

In 1980 he also founded Språkreseförmedlarna later renamed Avista which is a language travel agency in Stockholm. He was 1989 also involved in opening another language agency in Oslo, Norway called Språkreisebyrået where he since then has been chairman.

In year 2000 he sold Avista and started 2 years of studies of Computer Science at the Stockholm University. After completion he started a new language agency 2002 called Blueberry where he is presently Managing Director. He is also Director in Arigo Språkresor which is a holding company.