Guidice and Deputy Chief Steve Georgas also consult with Boston and New York regarding their marathon best practices when it comes to participant safety and security .
Deputy Chief Steve Georgas has been the Lead Incident Commander for the Chicago Marathon since 2009 .
Guidice and Deputy Chief Steve Georgas , who has been the Lead Incident Commander for the Chicago Marathon since 2009 , also consult with Boston and New York regarding their marathon best practices when it comes to participant safety and security .