At the 2016 National Championship Peterson played third for skip Jamie Sinclair. The team finished the round robin with a 5–1 record but lost in the page playoff 3v4 game to Cory Christensen's team. The US Champion team, skipped by Erika Brown, added Peterson as alternate for the 2016 World Championships, where the team finished 6th. Also in 2016 Peterson joined with Joe Polo to compete at the United States Mixed Doubles World Trials. They finished with an impressive 9–1 record, earning them a spot at the 2016 World Mixed Doubles Championship in Karlstad, Sweden. Peterson and Polo finished the round robin group play undefeated, losing to Team Russia in the semifinals. In the bronze medal match they defeated Team Scotland 9–7.