Gregory Seymour will become Keene’s next fire chief Sept. 1 after more than a decade with the department and 20 years in emergency services. Keene Deputy Fire Chief Gregory Seymour will become the city’s next fire chief effective Sept. 1, 2026. Ferland said Seymour has already been involved in developing and updating those standards and will continue that work as chief in collaboration with the department’s deputy chief and officers. Gregory Seymour will become Keene’s next fire chief Sept. 1 after more than a decade with the department and 20 years in emergency services. Photo Caption: Keene Deputy Fire Chief Gregory Seymour will become the city’s next fire chief effective Sept. 1, 2026.