Red Bull is the world's largest energy drink producer founded in 1984 by Dietrich Mateschitz and headquartered in Fuschl am See, Austria. It produces over 3.9 billion cans annually and is sold in over 160 countries, with production facilities located in Austria and Switzerland. Red Bull has experienced slow but steady global expansion since the 1980s and now employs over 4,600 people worldwide generating $3.2 billion in annual revenue as of 2009.