NEW YORK — Dan Hickle has been named chief marketing officer at Icelandic Provisions, maker of skyr, a traditional Icelandic cultured dairy product. He joins the company alongside Carolyn Donoghue, vice president of sales. Both will be tasked with building out their respective teams to support the startup’s continued expansion efforts.

Icelandic Provisions is led by chief executive officer Mark Alexander, former president of Campbell Soup Co.’s North American and international divisions. The four-year-old company has become a leading growth driver in the single-serve yogurt category, according to data from Nielsen. Sales of Icelandic-style yogurt grew 23% in the past year, while sales of traditional yogurt were down 6%.

Mr. Hickle joins Icelandic Provisions from Clif Bar and Co., where he was vice president of brand marketing. Before that, he led marketing efforts for Gatorade, Propel Fitness Water and Tropicana at PepsiCo.

Ms. Donoghue brings experience as vice president of sales at Sabra Dipping Co. Before that, she held several leadership roles at Kellogg Co., including director of sales, strategy and planning and director of team sales for the Kashi brand.

“We’re pleased to announce the addition of Dan and Carolyn to the Icelandic Provisions team,” Mr. Alexander said. “Both bring notable track records that will be valuable as our team prepares for an exciting next phase. As a company that’s deeply committed to building an authentic, best-in-class brand and portfolio of products, we look forward to tapping into Dan and Carolyn’s thoughtful, creative and consumer-centric approach to driving brand and category growth.”

Along with rounding out its leadership team, Icelandic Provisions has focused on expanding its product offerings recently. Its traditional skyr is available in 10 flavors, including blackberry boysenberry, cherry black currant and strawberry lingonberry. It also offers a line of whole milk skyr, available in flavors such as cold-brew coffee and pineapple coconut.

The products are thicker and more densely concentrated than other cultured dairy products, Icelandic Provisions said. They also contain more protein and less sugar than regular yogurt.