It takes innovative public servants to keep a County like ours, which is growing by leaps and bounds, thriving and running efficiently! Maricopa County is one of the largest, most scenic and fastest-growing counties in the country. With more than 13,000 employees, Maricopa County’s dedicated team members are the heart of our vibrant organization! They make a real difference for our residents with the work they do every day and, through a commitment to continuous improvement, have a hand in shaping the future of the County. 
Chao earned her PhD in electrical engineering and computer science from the Massachusetts Institute of Technology in Cambridge, Mass.  Previously, she obtained a bachelor’s degree in biomedical engineering from Tsinghua University.  When she’s not focused on making Alexa smarter, Chao enjoys spending time with her family, the outdoors, and sometimes both simultaneously.
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