Dr. Jelacic was raised on the northwest side of Milwaukee and attended Marquette University. He graduated from Marquette University School of Dentistry and opened his private practice in 1983. He currently resides in Waukesha County.
Dr. Jelacic is a member of the American Dental Association, Wisconsin Dental Association, Chicago Dental Society, and the Waukesha Dental Association. He is also past president of the Greater Milwaukee Dental Association and served four years as chairman of the Wisconsin Dental Association Ethics Committee.
Nationally, Dr. Jelacic was elected to the American College of Dentists and the Pierre Fauchard Academy, select societies for the ethical treatment of patients.
Dr. Jelacic is also a member of the Dental Forum, a group of 50 dentists focused on continuing education to better serve their patients.
Dr. Jelacic was named Best of Menomonee Falls for 2013.