Mr. David Hauser is a Co-Owner and serves as President at ABC Underwear. He serves as Advisor at Apptopia. Mr. Hauser is a Co-Founder of Glowing. He is a Co-Founder of SuperFat. He is an Angel Investor. He is a Co-Founder of Vanilla. He serves as an Advisor at Boost. He serves as Board Member at G2 Teh Group. He is a serial entrepreneur, angel investor, and public speaker. He co-founded Return Path, an email performance management company, as well as Grasshopper, which was successfully bootstrapped to $30M in revenue before being acquired by Citrix in 2015. While at Grasshopper, He also co-founded Chargify and secured an investment from Mark Cuban, which allowed Chargify to form as a separate company and quickly grow to profitability. Chargify was acquired in 2016 by Scaleworks, a SaaS holding company. A passionate technologist, he is one of the youngest co-founders to have led a company to the Inc. 500 list of the fastest-growing private companies in the U.S. He was also co-founder of Return Path, an e-mail performance management company, and founder of WebAds360, an ad-serving technology provider for small and mid-sized businesses. David has been featured on CNN, named one of Boston Business Journal's "40 Under 40," and has been featured in the Boston Globe, Wall Street Journal, and many other publications.