As of December 2024[update], Forbes estimated his net wealth to be US$1.5 billion and ranked him 19th richest in South Korea.
He graduated from Youngdong High School [ko] in 1995 and from Rochester Institute of Technology in New York, United States with a bachelor's in computer science.
Koo Kwang-mo pursued an MBA at Stanford University beginning in 2007, but dropped out before graduating.
He reportedly inherited 8.8% of LG stock, which increased his overall stake in the company to 15% and making him the largest shareholder.
[2] He married Jeong Hyo-jeong (정효정), whom he met whilst studying in the United States, in the mid-2000s.