David Hassell - Founder & CEO - 15Five David Hassell and his team have created a simple but elegant technology solution to ensure great communication amongst your team members. And David is one of those Founding CEOs who practices what he preaches. He uses his own software and it works great for his team, too. David is fairly candid about his own transition from Founder to CEO. I appreciated his story abut shifting his mindset from "I" to "we" and the profound impact it had on the success of his business and his personal fulfillment. Let me know what you think.