Lee Yeow Seng is a Malaysian businessman, the billionaire Co-Chairman of IOI Corporation Berhad (KLSE: IOICORP) and CEO of IOI Properties Group (KLSE: IOIPG). His wealth is generational, tied to the empire founded by his late father, Tan Sri Dato' Lee Shin Cheng (d. 2019).

Lee holds an LL.B. Law degree from the University of Bristol, U.K., and was called to the Bar of England & Wales in 2000. His career is defined by generational stewardship and executive leadership in the real estate and property management sector. He and his elder brother, Lee Yeow Chor, jointly inherited and manage the massive company, with Yeow Seng focusing on property development.

• IOI Properties Group (CEO): The core publicly traded asset, a major property developer in Malaysia, Singapore, and China.
• IOI Corporation Berhad (Co-Chairman): The family's stake in the palm oil and plantation giant.
• Academic Background: He holds an LL.B. Law degree from the University of Bristol and is a qualified barrister.
• Industrial Focus: His wealth is tied to the successful development and management of commercial and residential properties across Southeast Asia.

Lee Yeow Seng's strategic leadership involves managing the continuous development and expansion of IOI Properties Group. Under his guidance as CEO, the company has maintained its focus on high-quality, integrated property projects (e.g., IOI City Mall) and international expansion into Singapore and China. His structural contribution is tied to the successful generational transition and professionalization of the Malaysian real estate sector.

His wealth is secured by the colossal, long-term, stable profitability of the global property development and real estate sectors.

Lee Yeow Seng's social impact is structural, stemming from IOI Properties Group's role in providing essential housing and commercial infrastructure across Malaysia and the region. The company provides thousands of stable jobs in construction, hospitality, and property management. His personal philanthropy supports various community and educational initiatives.

His structural contribution is tied to the successful development and modernization of the Malaysian real estate sector.

Lee Yeow Seng maintains the professional, composed style of a corporate executive. His attire is consistently formal and high-quality, favoring tailored business suits. His aesthetic reflects serious authority and stability, typical of a leader in the global real estate sector.

Residing in Kuala Lumpur, Malaysia, his luxury is the immense security and financial reward derived from his multi-billion dollar fortune. His life is dedicated to real estate development, corporate governance, and the long-term stewardship of the IOI Group empire.