Jeong-Seok Roh

Fast Track Asia is a holding company, which supports in building startup companies. The firm provides infrastructure facility and management support, and funding and seeks partnership. It also operates a corporate education program center known as Fast Camp. The company was founded by Hyun Sung Shin, Ji Woong Park, Jeong Seok Roh, and Daniel Francis in November 2011 and is headquartered in Seoul, South Korea.

Fast Investment Co. Ltd. (Fast Invest) is a venture capital firm headquartered in Seoul, Korea. The firm is established in 2015.

Inzen Co., Ltd. engages in the development and sales of network security solutions. The firm operates through the following business divisions: Internet security and Energy solutions. The Internet security division products include systems security, consulting, managed support services and small-scale integration. The Energy solutions division includes oil drilling, bio energy plant and resource development. Inzen was founded on February 1, 1998 and headquartered in Seoul, South Korea.

5Rock, Inc. provides business intelligence tools for mobile gaming developers. Its software provides cohort analysis, detailed user segmentation, comparative campaign testing, advance monetization analysis and automatic alert system. The company was founded by Chang Su Lee and Jeong Seok Roh on August 20, 2010 and is headquartered in Seoul, South Korea.