Williston Fire Welcomes Jessica Gillies As New Assistant Chief

The Williston Fire Department has announced the appointment of Jessica Gillies as Assistant Chief of Operations, elevating a longtime member of the department into a key executive leadership role.

Gillies brings nearly a decade of service with the department, with experience spanning both fire suppression and emergency medical services. In her new role, she will oversee day-to-day response operations and help ensure continued operational readiness.

Throughout her career, Gillies has advanced through multiple positions, including firefighter, paramedic, EMS supervisor and training captain, gaining both frontline and administrative experience.

“Jessica has served her entire public safety career with the Williston Fire Department. I am extremely proud to see someone progress through the ranks internally,” said Corey Johnson, fire chief. “This highlights a turning point for this organization; we are able to grow from within.”

Gillies said she is honored to take on the role.

“I am extremely grateful for the opportunity to serve as the Assistant Chief of Operations for the Williston Fire Department. I’ve been fortunate to grow alongside this department for the past ten years, and I am proud to continue serving this community alongside the hardworking people that make this department what it is,” she said. “I’m excited to continue to keep building on the strong foundation we have, support our people, and continuing to provide the highest level of care to the people of Williston.”

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Gillies holds a Bachelor of Science degree in career and technical education and maintains several professional certifications, including Fire Officer III, Fire Instructor III and training officer designation through the International Society of Fire Service Instructors. She also serves as a board member for the North Dakota EMS Association.