Ronald Swidler, NAFI-CFEI, IAAI-FIT

Mr. Swidler is a professional fire analyst and staff expert with Agosti & Associates. He has conducted numerous fire and explosion fire scene investigations. These include fires and explosions in single-family dwellings, high-rise structures, commercial structures, as well as vehicles and heavy equipment. His responsibilities and experience as a fire analyst include photography, witness interviewing, report writing, and evidence collection.
Mr. Swidler brings with him a wide variety of knowledge from the public sector. He has been involved in numerous public sector fire and explosion investigations, including single and multi-family dwellings, commercial structures, and vehicle fires.
Along with working in the private sector, Mr. Swidler has and continues to work in the public sector. He currently serves as a Firefighter/Paramedic for the last 17 years as well as a Fire Investigator since 2019 in the Lincolnshire-Riverwoods Fire Protection District in Lincolnshire, Illinois.
Mr. Swidler has experience and knowledge beyond fire and explosion analysis, to include fire department operations, hazardous materials, emergency medicine, as well as active shooter and rescue task force operations.


Associates Degree, Fire Science
Certified Fire & Explosion Investigator, NAFI
Certified Fire Investigator, Illinois State Fire Marshal
Vehicle Fire Investigations, Public Agency Training Association
Post Blast Investigative Techniques, ATF
Youth Fire-Setter Intervention Specialist, Illinois State Fire Marshal
Certified Fire Officer I & II, Illinois State Fire Marshal
Certified Paramedic, Illinois Department of Public Health
Hazardous Materials Technician A & B, Illinois State Fire Marshal


Certified Fire Investigator, Illinois State Fire Marshal
Certified Fire & Explosion Investigator, NAFI
Fire Investigation Technician, IAAI


Fire and Explosions: Arson defense/prosecution; electrical fires; gas explosions; vehicular fires; structure fires; fire deaths/injuries. Fire scene evidence and spoliation issues.

Building and Fire Codes: Fire/Building code violations; Life safety Code violations; smoke detector issues; Fire spread issues; Fire prevention analysis