Descrição ThinkTank is a venture capital firm with investments in about eight companies in entertainment, media, technology, and e-commerce. Among these are electronic retailers Buy.com and Sell.com as well as exercise site Yoga Today, and brand name developer ThinkBig Media. Four of its early investments have been sold. On top of raising capital for portfolio companies, ThinkTank provides merger and acquisitions advice, strategic business partnerships, legal support, business development, and marketing services. It also takes controlling positions in most of its portfolio companies. The company was founded in 1999 by entrepreneur Scott Blum.