The brand has appointed Stacey Langlois as its dedicated swimwear specialist, while Sarah Sheath is taking charge of sales in the south of England.
Both have industry experience.
Langlois previously worked in a marketing role at DW Sports, where she was employed across both the fitness clubs and retail side of the business, with a special emphasis on swimwear.
Sheath was responsible for sales of Bjorn Borg sports apparel.
She says: “Aqua Sphere is a superb premium brand and well respected within the sports retail sector.
“With exciting times ahead, including the new partnership with Michael Phelps, I am looking forward to being a part of this.”