Howard Weinstein is an impact entrepreneur who built several companies over the last two decades, some successful, some not, according to him. A recent profile of one of the businesses, Solar Ear, was featured in Impact Entrepreneur. Having worked in several different countries with varying stakeholders and different goals, Howard has developed an approach to developing business ideas, scaling, and achieving social impact. This article will look at his framework, some of the lessons he’s learned, and what he says is the most powerful tool impact entrepreneurs have. 3-D Thinking In the decades that he has worked in different countries,…