Marcus Olsson is a highly respected figure in the field of marksmanship and precision rifle shooting. He currently serves as the chairman of the International Precision Rifle Federation (IPRF), a global organization dedicated to promoting the sport of precision rifle shooting.

Aside from his work with the IPRF, Olsson is also the founder of Viking Accuracy, a company that provides marksmanship training and equipment. Viking Accuracy has gained a reputation for helping shooters of all skill levels improve their accuracy and precision.