T.S. Investment Corporation is a private equity and venture capital firm specializing in series investments. It invests in mergers and acquisitions and makes secondary investments, typically in small and medium-sized companies and venture firms. Its areas of interest include patents, biotechnology, medical, fourth industrial revolution-related industries, bio healthcare, ICT and services, consumer goods, manufacturing, commercial, energy, and contents sectors. The firm exits through IPOs and M&A, and was founded in 2008 with headquarters in Seoul, South Korea.