Ask her to explain the Wisconsin Economic Development Corp.’s role with state entrepreneurs and Lisa Johnson can't help sketching it out. “You would be laughing. A lot of times, like, what I’ll do is, ‘Okay...here we go. I’ll give it to you on a whiteboard,’” jokes the WEDC vice president of entrepreneurship and innovation, when asked to explain the authority's role. Moments later, she resorts to just that, literally sketching out WEDC's role in Wisconsin's entrepreneurial space. Per…