Dennis Thankachan is the Co-Founder and CEO of Lightyear, a telecom company that allows businesses to buy and manage all telecom services through a single platform. Additionally, he is an angel investor in numerous tech start-ups. First, we take a look at the lessons Dennis learned through his career in banking and at a hedge fund. Next, we dive into the telecom space, where Dennis elaborates on some of the issues he is working to solve. We also look into how Dennis came up with the idea for Lightyear and how he has successfully taken his product to market. Finally, we wrap up with a discussion about being a founder, including some of the perks and challenges involved.