Justin Mares


Justin Mares is a start-up founder with expertise in mobile health and 3D printing. Justin have been a director at start-ups that sold for eight-figure sums.


Traction explains why the success of every start-up depends not only on its products, but on the customer base it builds. Weinberg and Mares present proven methods for gaining customers, and help you choose the best for each growth phase of your company. With a bit of Traction, you’ll win – and develop – the audience your product deserves.