Mistletoe is a Tokyo based venture capital firm investing in technology companies. It performs startup investment, research & development (R&D), joint ventures to ecosystem development. Founded by Taizo Son in 2013, the company invests in international companies. Taizo Son is the youngest brother of Masayoshi Son, the SoftBank founder, and CEO. It aims to invest in companies working to solve global challenges. It focuses on education, grocery, logistics, application software, entertainment software, and business applications.