The Darien Police Department is pleased to announce the promotion of Jeff Simek to the rank of Sergeant, effective August 22, 2026.
Sergeant Simek began his career with the Darien Police Department on September 25, 2002, and brings nearly 24 years of law enforcement experience to his new role. Throughout his career, he has served in patrol, truck enforcement, field training, evidence and property control, and investigations. He also spent six years as a detective, working with regional and statewide task forces, including the Internet Crimes Against Children Task Force, the Felony Investigative Assistance Team, and MERIT Major Crimes and Digital Forensics units.
A graduate of Illinois State University, where he earned a bachelor’s degree in criminal justice, Sergeant Simek has continued to develop his investigative expertise through specialized training and professional certifications. His career accomplishments include a Lifesaving Award for resuscitating a person who suffered a heart attack and numerous contributions to complex criminal investigations.
Most recently, Simek was recognized for his exceptional work following an August 2026 home invasion in Darien. His thorough investigative work, attention to detail, and commitment to preserving critical evidence helped advance the investigation and subsequent prosecution.
Sergeant Simek brings a tremendous amount of experience, investigative knowledge, and dedication to this department. Throughout his career, he has demonstrated a strong commitment to his responsibilities and to serving our community. His willingness to go above and beyond, particularly during complex and demanding investigations, reflects the kind of commitment we value in our department.
Please join the Darien Police Department in congratulating Sergeant Jeff Simek on his promotion and wishing him continued success in this new chapter of his career.