After a thorough executive search, William O'Donnell has been selected to serve as the Architect of the Capitol's Chief Administrative Officer (CAO).

Mr. O'Donnell is a proven senior executive with extensive experience in leading large, high profile and complex business and administrative operations within the Federal government. In his previous role as Assistant for Administration reporting to the Under Secretary of the Navy, he provideed strategic planning and leadership to business functions supporting a 6,000 member organization, including acquisition, human resources, information technology, curator, facilities services, budget execution, space planning and records management. He holds a Bachelor’s degree in Mechanical Engineering from the University of Lowell in Massachusetts and a Master's degree in Mechanical Engineering from Pennsylvania State University.

As the Chief Administrative Officer, Mr. O'Donnell will be responsible for providing administrative and business support and oversees the Acquisition and Material Management Division, Curator Division, Human Capital Management Division, Information Technology Division, Office Services Division and Policy Program Office.

Recent News

Noteworthy Updates

Public Notice

Spring 2020 Issue of Tholos Magazine Now Available

The latest edition of the Architect of the Capitol (AOC) employee magazine, Tholos, is now available. Article themes include Doing Good, By the Numbers, Before & After, Employee Highlights, Spotlight on Safety, Beyond the Dome, and AOC Gratitude.
Public Notice

AOC Offers Family Resources for Distance Learning and Virtual Visits

The Architect of the Capitol is delivering virtual Capitol experiences to those unable to visit because of the coronavirus (COVID-19). Resources for students and families learning from home are grouped into elementary, middle school and high school levels. There are also virtual field trips and online exhibits.