刘昀博士（Dr. Yun Liu）现任普渡大学西北分校（Purdue University Northwest）机械工程系副教授，是工程研究者，也是创业者。他在普渡大学获得博士学位，专注于实验流体力学、空气动力学与超声速流动研究，研究获美国国家科学基金会（National Science Foundation）资助，成果发表于多种权威科学期刊。

在学术之外，他积极投身创业、技术商业化与国际贸易。作为芝加哥国际贸易俱乐部（International Trade Club of Chicago）成员，他致力于促进中美企业之间的合作，连接技术创新与商业机会，推动互利共赢的国际合作。

Dr. Yun Liu is an Associate Professor of Mechanical Engineering at Purdue University Northwest, an engineering researcher, and an entrepreneur. He earned his Ph.D. from Purdue University and specializes in experimental fluid mechanics, aerodynamics, and supersonic flow. His research has been supported by the National Science Foundation and published in leading scientific journals.

Beyond academia, Dr. Liu actively pursues entrepreneurship, technology commercialization, and international trade. As a member of the International Trade Club of Chicago, he seeks to foster business partnerships between the United States and China, connecting technological innovation with commercial opportunities and promoting mutually beneficial international collaboration.