Contact Us:

The Democratic Party of Wisconsin ·

15 N Pinckney St, Suite 200 · Madison, WI 53703

(608) 255-5172 (voice) • (608) 255-8919 (fax)

Administrative Committee

For Press Inquiries Contact WisDems Communications Director Melissa Baldauff at (608) 260-2409

DPW Staff:

Mike Tate,
State Chair



Mike was elected State Chair in June 2009.  At age 30, he is the youngest state party chair in the nation. Mike has worked for Dane County Executive Kathleen Falk, Governor Jim Doyle, AFSCME Council 40, and Fair Wisconsin.  Most recently, Mike directed Advancing Wisconsin’s vast voter mobilization effort in 2008, helping boost turnout in key legislative districts and the presidential election.



Phone:  608-255-5172 

Jake Hajdu,
Executive Director



Jake has extensive political experience both locally and nationally. He has worked for the Democratic Party of Wisconsin since 2009, previously serving as the Political Director, Organizing Director, and Deputy Field Director on the 2010 Wisconsin Coordinated Campaign. Jake’s previous campaign experience includes working for Dane County Executive Kathleen Falk, State Representative Kelda Helen Roys, and Smoke Free Wisconsin. Jake serves on the board of the Democratic Leadership Institute and is a Truman Project Political Partner.



Phone: 608-260-2420


Melissa Baldauff,
Communications Director


During her tenure with the Democratic Party of Wisconsin, Melissa has worked extensively on research, policy, digital strategy and earned media. 

Prior to joining the WisDems staff in 2010, Melissa worked in local government, researching and drafting legislation. She holds degrees in mathematics and criminology. Melissa lives in Madison with her husband and their two young children.


Phone: 608-260-2409

Brandon Weathersby,
Deputy Communications Director

Brandon Weathersby joined DPW as Deputy Communications Director in 2013. In the past he has worked as Communications Specialist for SEIU and Communications Assistant on the Tammy Baldwin for Senate campaign. He also serves on the board of the Democratic Leadership Institute. Brandon is a graduate of the University of Wisconsin - Madison with degrees in Political Science, Legal Studies, and Environmental Studies.


Phone: 608-807-0610

Brita Olsen,
Political Director






Brita Olsen joined DPW as Political Director in 2013. Prior to joining the DPW team, Brita worked as a Legislative Aide for State Representative Cory Mason. Brita also worked for the campaigns of the Assembly Democratic Campaign Committee, Kathleen Falk for Wisconsin, Advancing Wisconsin, and We Are Wisconsin. She is a graduate of the University of Wisconsin - Madison with a degree in Political Science and Communication Arts.


Phone: 608-260-2421

Sean Berger,
Membership & Conventions Director


Sean has assumed leadership roles with a variety of nonprofit organizations, and has been with the Democratic Party of Wisconsin since 2009. Prior to working with the DPW, Sean coordinated programming at Cancer Lifeline, an organization that provides supportive services for people affected by cancer. Sean has also served as the Director of a nonprofit, continuing education college in Seattle, Washington. He is a co-founder & former board member of a Young Nonprofit Professionals Network (YNPN) chapter. Sean holds a Bachelor’s Degree in International Studies from the University of Washington and lives in Madison with his partner Ana.






Phone: 608-260-2413

Julie Benkoske ,
Finance Director

A recent addition to the DPW, Julie joined the team during the historic 2011 Senate recalls. Originally hired as a call time manager, Julie became the Regional Finance Director for Jess King’s successful campaign for State Senate and then Deputy Finance Director for the Recall Walker Campaign. Julie continues to work to elect progressive leaders for Wisconsin and raise funds for the Democratic Party of Wisconsin and Statewide Coordinated Campaign.


Phone: 608-260-2429

Cassi Fenili,
Deputy Finance Director

Cassi has been with DPW since fall of 2009. She was previously a student at the University of Wisconsin- Madison, where she was active with many Democratic organizations including UW Students for Hillary Clinton, the College Democrats and Tammy Baldwin for Congress. Cassi currently holds Bachelor's degrees in both Political Science and Social Welfare.



Phone: 608-260-2422

Amanda Brink,
Operations & Compliance Director


A transplanted Missourian, Amanda Brink has recently relocated to Madison and brings a background in compliance, logistics, and grassroots coordination. While attending Truman State University in Kirksville, Mo., she was one of the architects of a statewide student advocacy organization. She first became involved in Barack Obama's presidential bid in August 2007, and her work for the campaign consisted of grassroots mobilization in the states of Iowa, Wisconsin and Missouri. In local Missouri races, she has helped guide Democrats to victory in Republican strongholds. She has experience in real estate and business management and enjoys spending time her husband, Derek, and their two malteses, Truman and Malcolm.


Phone: 608-260-2423

Bryan Post,
Data & Analytics Director

Bryan Post is the Data and Analytics Director for the Democratic Party of Wisconsin. He previously worked as a Deputy Data Director at Organizing for America – Wisconsin in 2012, and was the Data Entry Coordinator following the 2011/2012 recall elections. Bryan worked in the Wisconsin State Capitol building for the Assembly Sergeant-At-Arms during the 2011 protests, and was the campaign manager for now State Assembly Representative Janis Ringhand in 2010. In 2009 and 2010 Bryan worked in the office of then Assembly Speaker Michael Sherdian, and managed Dane County Supervisor Dave de Felice’s re-election campaign. Prior to entering politics Bryan was a Manufacturing Engineer at P&H Mining Equipment in Milwaukee, Wisconsin, and has a degree in Industrial and Systems Engineering  (2008) from the University of Wisconsin-Madison.

Bryan is also passionate about local issues, especially development in the city of Madison. He is involved in his neighborhood, where he serves on the Council of the Tenney-Lapham Neighborhood Association.


Phone: 608-260-2430