Mathew Ruberg is the RCTab Program Director for the Ranked Choice Voting Resource Center. RCTab is the RCVRC’s free, open-source RCV tabulator. Using Cast Vote Records from all major Voting System vendors, RCTab tabulates winners for all RCV variants. He oversees the development of RCTab, which includes serving as a liaison between developers, staff, and RCV jurisdictions, maintaining and expanding the system, and coordinating federal and state testing as needed. Before RCVRC, Mathew has been a full-stack software developer, Director of Technology for a soccer sensor startup, a political campaign community organizer and RCV advocate in his home state of Kentucky.