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Xiaoyi Liu, PE, PMP has a diverse work experience in the fields of transportation engineering and traffic signal operations. Currently, Xiaoyi is working as a Senior Traffic Signal Operations Engineer at the City of Bellevue, Washington. Prior to this role, Xiaoyi was employed at Concord Engineering, Inc. as a Transportation Engineer, where they gained experience in transportation planning and engineering. Before that, Xiaoyi worked at Transpo Group as an ITS Engineer, focusing on Intelligent Transportation Systems. Xiaoyi also has a previous experience as an ITS intern at the City of Seattle, where they led a project on Travel Time Detection Device Accuracy Evaluation and performed data processing and analysis using R language. Additionally, Xiaoyi has assisted in website optimization at Amazon. Overall, Xiaoyi Liu, PE, PMP has a strong background in transportation engineering and traffic signal operations.

Xiaoyi Liu, PE, PMP has a strong education background in transportation engineering. Xiaoyi obtained a Master's Degree in Transportation Engineering from the University of Washington, where they studied from 2012 to 2014. Prior to that, they completed their Bachelor of Science (BS) in Transportation Engineering at Beijing Jiaotong University, where they studied from 2008 to 2012.

In addition to their education, Xiaoyi Liu holds several certifications. Xiaoyi became a Project Management Professional (PMP) in May 2021 from the Project Management Institute. Xiaoyi also obtained the Professional Engineer certification from the California Board of Professional Engineers, Land Surveyors, and Geologists in February 2017. Prior to that, they achieved the Engineer-in-Training certification from the State of Washington in January 2015.

It is also worth noting that Xiaoyi Liu completed a NETWORK & SYSTEM ADMINISTRATION COURSE at the University of Washington, although the specific details of this certification are not provided. Xiaoyi is also listed as a Professional Engineer in the State of Washington, but the exact date of obtaining this certification is not available. Overall, they have a solid educational background and holds relevant certifications in their field.