Nathan Sports, the American supplier of hydration products and other accessories has appointed Rick Olson as vice president of sales, responsible also for Penguin Brands. In other executive appointments, Brent Hollowell is named vice president of marketing and Dennis Henriques as director of operations. Olsen is an industry veteran who acted as vice president and general manager at 180s for five years. He also worked at Franklin Retail Solutions before joining Mountain Hardwear, where he steered the relaunch of the Montrail brand of footwear.