Complex sentence: In 1981 he founded his own company involved in the design, development and marketing of occupational Safety Signs, after his election to parliament he withdrew from the business and retired as Chairman of Board in 1997.
Split into simpler sentences: In 1981 he founded his own company involved in the design, development and marketing of occupational Safety Signs. After his election to parliament he withdrew from the business and retired as Chairman of Board in 1997.