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Bill Zielinski

City of Dallas

Bill Zielinski

Chief Information Officer

Bill Zielinski is the Chief Information Officer (CIO) for the City of Dallas. In this role, he directs information technology (IT) operations for the 9th largest City in the United States and works toward creating greater digital equity for a population of more than 1.3 million people.
Prior to joining the City, Mr. Zielinski worked for the US Federal Government for more than 30 years serving in executive roles with the US Social Security Administration (SSA), US Office of Personnel Management (OPM), US General Services Administration (GSA) and in the Executive Office of the President (EOP).
As the CIO for the Social Security Administration, Bill was responsible for delivery of IT solutions which allowed the Agency to effectively manage more than $800 billion in annual benefit payments to more than 60 million people around the world.
As the Director for Retirement Services with OPM, Bill delivered a full range of retirement benefits to more than 2.5 million Federal retirees and Employee Health benefits to more than 2 million active Federal employees.
During his time within the Executive Office of the President, Bill was the Acting Unit Chief for Agency Oversight in the Office of the Federal Chief Information Officer. In this role, he issued guidance on the formulation and execution of the US Government’s $100 Billion annual IT budget.
As the Assistant Commissioner for the Office of the IT Category in the US General Services Administration, Bill managed a portfolio of government-wide IT acquisition contracts providing $30 Billion in IT products and services from more than 5,000 providers to government at the Federal, State and Local level.


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