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Tim is a senior government affairs professional with extensive federal, state, corporate and association management experience. He has a successful bipartisan track record of developing and implementing policy advocacy, political campaigns, strategic planning, coalition building, and community outreach.

Prior to joining CSS, Tim served as Senior Vice President of the U.S. Chamber of Commerce, the world’s largest business federation representing the interests of more than 3 million businesses of all sizes, sectors, and regions, as well as state and local chambers and industry associations. In this position, he established the Chamber Technology Engagement Center (C_TEC). He has testified numerous times before the U.S. Congress on a wide array of issues including: automated vehicles, data, internet of things to name a few. In addition, Day has had several opinion editorials published in various national news outlets.

Tim joined the Chamber from Teradata Corporation where he was Vice President of Government Affairs. Before Teradata, Tim served as vice president of worldwide government affairs at NCR Corporation. He was responsible for offices in Brussels, Washington, D.C. and Dayton, Ohio. He also served as chief of staff to former U.S. Congresswoman Deborah Pryce (R-OH).

Tim earned his B.S. degree in American Studies from Cedarville University.

He joined Calfee in 2020.


B.S., American Studies, Cedarville University

Tim Day is not licensed to practice law.

Professional & Community

Professional & Community

  • Data Coalition, Board of Advisers
  • Alzheimer’s Association National Capital Area Chapter, Board of Directors

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