Nordic Hot Tubs, manufacturer of spas in Grand Rapids, Mich., has appointed Kristin Woiteshek as director of operations and Charlie Strong as director of sales and marketing. Woiteshek, who has more than 14 years’ experience in sales, operations and customer service, will lead Nordic’s operations and streamline productivity. Strong, formerly the firm’s national sales manager, now heads all sales and marketing initiatives in the USA and Canada.