Our Team

William R. Oorbeek

William Oorbeek is the president of The Oorbeek Group, a well-respected fundraising and communications company based in Washington, DC.

Prior to forming The Oorbeek Group, Oorbeek served as the Executive Director of “Together for Our Majority PAC” (TOMPAC).  Working with Honorary Chairman Congressman Tom Reynolds (R-NY), Oorbeek built TOMPAC into the 2nd largest leadership PAC in the US House of Representatives with over $2.7 million in federal receipts during the 2006 election cycle.

While serving as Executive Director for TOMPAC, Oorbeek planned and executed events featuring President George W. Bush, Vice-President Richard Cheney, former White House Chief of Staff Andrew Card, Senior White House advisor Karl Rove, RNC Chairman Ken Mehlman, former Speaker J. Dennis Hastert, former Majority Leader Tom DeLay, Republican Leader John Boehner and countless other leading Republican figures.

Prior to TOMPAC, Oorbeek worked as the Director of Individual Major donors at the NRCC during the 2000 election cycle.  Oorbeek was responsible for reviving a donor program which raised less than $1 million for the 1998 mid-term election and went on to raise nearly $10 million for the NRCC during the crucial 2000 election cycle. Oorbeek graduated cum laude from Frostburg State University in Maryland and enjoys fitness, traveling, food and wine. Oorbeek resides in northern Virginia with his wife Denise and daughter Josie.


Erin Mellinger

Erin Mellinger joined the Oorbeek Group in March 2015 from the National Republican Congressional Committee where she served as the Special Projects Coordinator, executing the committee’s first women’s initiative and overseeing a wide array of events during the historic 2014 election cycle. Prior to working for the NRCC, Erin worked for the former Chairman, Congressman Pete Sessions, as a Legislative Assistant and Scheduler.

Erin hails from Dallas, Texas and graduated magna cum laude with a BA in History and Communication Studies from Furman University. After spending two summers in DC running the Pete Sessions Leadership and Growth Program, she was hooked. An avid runner and cook, Erin lives on H St. Northeast and can be reached at erin@togdc.com.