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Dallas' chief information officer resigning: Bill Zielinski oversaw the city's response to the 2023 ransomware attack

Bill Zielinski has been Dallas' CIO since 2020 and is resigning effective April 30 to take a job in the private sector.
Credit: WFAA
Dallas City Hall

DALLAS — Dallas’ chief information officer Bill Zielinski, who helped oversee the city’s response to a ransomware attack and a massive data loss involving police records in recent years, is resigning effective April 30.

Brian Gardner, the city’s chief technology/information security officer, will serve as interim director for the department, city officials say.

The salary for Dallas’ CIO is a minimum of $168,658 and up to $252,987 per year, according to the city’s website.

It’s unclear what Zielinski’s next job will be, but city officials confirmed he’s moving into the private sector after 30 years working government jobs.

Dallas officials credited Zielinski with his work to launch the Technology Accountability Report, completion of the new Human Resource System and piloting a program addressing equity and access to digital tools among Dallas residents.

Prior to becoming Dallas’ chief information officer in 2020, Zielinski worked in various public sector jobs, including in executive roles with the U.S. Social Security Administration, U.S. Office of Personnel Management, U.S. General Services Administration and in the Executive Office of the President.

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