Li Haoyang is an entrepreneur in China's education technology sector and the founder of Squirrel AI (Yixue Education). Public information about him is currently limited, and basic details such as his birth and death years and English name have not been clearly recorded. One of his works is included in the collection, namely Upgrade Your Learning. Judging from the subject matter and common classification of this book, his writing focuses on the intersection of finance and education technology, discussing learning methods, educational models, and the role of technology within them in a popular style aimed at general readers. As an entrepreneur, his writing perspective is often connected to his practical experience, and he tends to start from industry observations and real-world problems to explore changes and possible paths in education. Upgrade Your Learning is the main entry point for understanding his thinking on education technology and offers a reference text for Chinese readers interested in educational innovation and related industry development.