Zhaoying (Dorothy) Du is the General Counsel and Corporate Secretary of Power Solutions International, Inc. (NASDAQ: PSIX), a leader in advanced, emission-certified engines, power systems, and accessories. PSI provides integrated solutions to global original equipment manufacturers and end users across the power systems, industrial, and transportation markets, and develops products and packages supporting the rapidly growing data center sector.

Previously, Dorothy led the global supply chain legal team at Lenovo, supporting procurement operations across more than 30 manufacturing sites in 11 markets serving 180 countries. She advised senior leaders on supply chain resilience, cross-border procurement, international trade compliance, regulatory risk, and contract negotiations, helping the company navigate evolving geopolitical challenges and implement responsible sourcing strategies.

Before that, Dorothy was head of the global legal team at Motorola Mobility, a Lenovo company, overseeing a broad range of legal matters including AI, global R&D, intellectual property, compliance, privacy, corporate governance, government relations, and litigation. With 20 years of legal experience, she also served as General Counsel for the China operations of a U.S.-based international insurance company and co-chaired the Asian-Pacific Practice Group at a global law firm.