Xiaofeng Denton Peng founded SPI Energy, overseeing a diverse portfolio of wholly-owned subsidiaries across the US, Europe, and Asia. One notable subsidiary, SEM Wafertech, Inc., stands as a top-tier solar wafer manufacturer in the US, boasting a facility in South Carolina to cater to the burgeoning demand for locally sourced solar wafers amid the nation's escalating interest in solar power. Another key arm, Solar4America, distinguishes itself as a premier "Made in the USA" solar module manufacturing entity. Alongside its Sacramento, California facility, the South Carolina plant, leased in 2023, empowers Solar4America to broaden its scope, fabricating an extensive range of solar panels tailored for residential, commercial, and utility projects. At the 2023 Midwest Solar Expo in Chicago, Solar4America proudly unveiled its American-made 410W residential solar modules and 550W bifacial modules, custom-crafted for diverse market segments. The company proudly asserts its position as the sole major domestic manufacturer already producing 550W/M10 solar modules within US borders. He emphasized the company's capability to efficiently deliver to customers nationwide, courtesy of its strategically positioned factories. Beyond these flagship ventures, SPI Energy's subsidiaries span JP Energy Partners, LP; Solar Power Inc UK Services Limited; SPI Renewables Italy S.r.l.; SolarJuice (HK) Limited; Heliostixio S.A. and Heliohrisi S.A. (Greece), among others. Before his tenure at SPI Energy, he founded LDK Solar (LDK) in July 2005, serving as board chairman and CEO. LDK, headquartered in Xinyu, China, specializes in manufacturing multicrystalline solar wafers crucial for solar cell production and providing wafering services for monocrystalline and multicrystalline wafers. Furthermore, he established Suzhou Liouxin Industrial, Ltd. in March 1997, leading as its CEO until February 2006. Suzhou Liouxin emerged as a prominent manufacturer of personal protective equipment in Asia, employing 12,000 individuals.