Yeast has been the basis of animal pharma tycoon Pearse Lyons's fortune. The former Harp Lager intern (69) has built up his Kentucky-headquartered Alltech group into one of the world's biggest and most innovative animal healthcare companies. ?The Louth man started the company in 1985 from a garage with just $10,000 in seed capital. Now it's forecast to burst through the $2bn per year revenue mark. Business interests range from animal nutrition to research into fish oil and brewing.
Please sign in or register with Independent.ie to access the Rich List articles.