About
Treasurer and Deputy Treasurer
David Cullen, Treasurer
Elected as Milwaukee County Treasurer in November, 2014, David Cullen had been a Milwaukee County Board Supervisor representing the 15th District. He served as co-chair of the Finance, Personnel and Audit Committee, and as a member of the Intergovernmental Relations Committee.
Treasurer Cullen is a graduate of John Marshall High School, has a Bachelor's Degree in Secondary Education from the University of Wisconsin-Madison and a juris doctorate from Marquette University.
Treasurer Cullen represented the 13th District in the Wisconsin State Assembly from1990-2012. He also served on the Milwaukee School Board from 1983-1990, including service as Board President from 1987-1990. He is also a member of the Enderis Park Neighborhood Association.
Treasurer Cullen and his wife live in Milwaukee and have two children.
Cathleen Hollers, Deputy Treasurer
Cathleen Hollers has worked for Milwaukee County for over 10 years. She started her career in the Treasurer’s office as an Assistant Accountant in 2009, while finishing her degree in accounting. She was then promoted to Senior Accountant and later to the Accounting Supervisor in 2016. In 2024, Cathleen was selected to be the Deputy Treasurer / Accounting Manager.
Cathleen received her bachelor’s degree in accounting from Lakeland College. A lifelong resident of Milwaukee County, she was born and raised in South Milwaukee and currently resides in Franklin with her family.
