Mosman Heidi Wallis is generally considered to wholesale swimwear be a “mumpreneur” The mother of two children has been a high-end swimsuit designer for more than 20 years, and she has been the driving force for her career when her children appear. Now, Ms. Wallis’s efforts are starting to pay off. The 46 year old launched bluesalt beach, a bright and popular child, three years ago, saying that other moms could have too much if they found something they liked doing and little bit of work”. She said, “start from childhood, do something you love, and then you put yourself …