Billionaire Profile
Li Zhenguo & family
Global Rank
#1173

Image: Unsplash Contributor | Unsplash License | via Unsplash

Li Zhenguo & family

CEO, Solar wafers and modules
CHINA
Real-Time Net Worth
$3.687B
Estimated based on Solar wafers and modules stock value as of April 20, 2026
+1.17% (24h)
Age
58
Source
Solar wafers and modules
Industry
Manufacturing
Citizenship
CHINA

Biography

Li Zhenguo, born in China on January 5, 1968, is the founder and President of LONGi Green Energy Technology Co., Ltd., a leading global manufacturer of solar wafers and modules. Graduating from Lanzhou University with a degree in materials science, Li's career includes significant roles in semiconductor manufacturing before co-founding LONGi in 2000. His leadership has transformed LONGi into a world leader in the solar industry. His estimated net worth is 3.8 billion USD as of 2024. Li's influence extends to over 60,000 employees with production facilities in multiple countries. He is known for his commitment to innovation and promoting renewable energy for a sustainable future.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

Early Life

Li Zhenguo was born on January 5, 1968, in China. He demonstrated an early interest in science and technology.

Rise to Success

Li Zhenguo's career began after graduating from Lanzhou University with a degree in materials science. He held positions at several semiconductor factories before co-founding LONGi Green Energy Technology in 2000 with classmates and his wife, Li Xiyan. LONGi initially focused on reprocessing silicon materials. Later, the founders shifted the company's direction toward solar technology development.

Key Business Strategies

Under Li's leadership, LONGi has become the world's largest manufacturer of monocrystalline silicon wafers. The company's success stems from strategic investments in research and development and a focus on high-efficiency monocrystalline silicon products. LONGi has expanded its global presence and produces 106 gigawatts of solar silicon wafers and 70 GW of solar modules in 2024, with products sold in over 150 countries.

Philanthropy

Li Zhenguo has been involved in various philanthropic initiatives, including supporting low-income students at Lanzhou University and other institutions.

Career Milestones

1990

Graduated from Lanzhou University

Obtained a degree in semiconductor materials.

2000

Co-founded LONGi Green Energy Technology

Founded the company with classmates and his wife.

2012

LONGi Listed on the Shanghai Stock Exchange

This marked a major milestone for the company.

2020

Awarded Forbes China's 'Outstanding Business Leader'

Recognized for his contributions to the solar industry.

2025

Stepped Down from General Manager Role

Transitioned to focus on technology innovation within LONGi.

2025

Awarded Lifetime Achievement Award at S&P Global Platts Global Energy Awards

Recognized for his pioneering work in solar innovation.

Philanthropy & Social Impact

Social Welfare

LONGi One Percent Fund

Undisclosed

Initiator of the LONGi One Percent Fund of the Red Cross of China.

Business Philosophy & Leadership

Notable Quotes

"“The majority of countries and economies in the world have made commitments to carbon neutrality around 2050 and 2060. It's a global trend to promote energy transition and expand the application of renewable energy.”"

""Without these extraordinary LONGi people, there would be no LONGi today.""

Leadership Principles

Commitment to Innovation

Driven by continuous advancements in photovoltaic technology.

Global Vision

Focused on promoting renewable energy on a global scale.

Technological Leadership

Pioneering monocrystalline silicon technology and its applications.