O’Callaghan Moving On, Following Nearly 13 Years of Service DUBLIN, Ohio — October 12, 2026 —City Manager Megan O’Callaghan has submitted her resignation, effective November 13, 2026, concluding nearly 13 years of service to the City of Dublin as part of a 30-year career in public service. O’Callaghan joined the City of Dublin in 2014 […]