Taeho Oh was not an engineer until age 32 and is now Head of Mobile Business. He was born and raised in Korea, studied engineering in school, and started his career in mobile multimedia and global business startups. As Head of Mobile Business, his products are used by over 8 billion people and his company has 8 out of 10 market share. He works long hours, from 9am to midnight, focusing on productivity through email and conference calls.