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Michael Mattmiller was appointed the City of Seattle’s Chief Technology Officer in June 2014. As an experienced consultant, Michael Mattmiller has helped government agencies and businesses solve complex systems and technology challenges.  His work has spanned technology domains, including software and service development, operations, security, and privacy.

Throughout his career, Michael has maintained a focus on collaboration, engaging stakeholders to identify leading practices, create a shared vision of the opportunities created by technology, and drive adoption. Michael lives in Seattle's Green Lake neighborhood of Seattle with his husband and their two dogs.