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Joanna Liu is an experienced engineering professional specializing in layout and mask design. Currently serving as a Senior Layout Engineer at Empower Semiconductor since December 2017, Joanna Liu previously worked at Oracle Corporation from February 2004 to October 2017 as a Layout/Mask Designer. Additionally, Joanna Liu's career includes a role as a Mask Design Specialist at Sun Microsystems Inc. from February 2004 to February 2010.