Life Amplified

Village Board Directory

Mayor Michael GlotzMayor Michael W. Glotz
Michael W. Glotz was elected mayor of Tinley Park in April 2021. He previously served as a trustee and chaired the Public Works and Community Development committees. He and his wife, Kristie have lived in Tinley Park since 1994 and have two children, Katie and Kyle. He and his family attend Parkview Christian Church.

Mayor Glotz is a member of Local 150 Operating Engineers and was a Union Steward for Local 150. Through many years in the field, his experience has been utilized by his company to manage many large projects and assist in sales due to the positive relationships he has developed with clients. He has volunteered as a girls softball and boys baseball coach for the Tinley Park Bulldogs organization and the Southwest Raiders Travel Baseball team in Orland Hills. Recently, he was appointed to the Together We Cope Board of Directors and is recognized for volunteering throughout the community.

Mayor Glotz can be reached at (708) 444-5021 or

Clerk Kristin ThirionVillage Clerk Kristin A. Thirion
Kristin A. Thirion has served as Village Clerk since April 2017. She has been a public high school educator in Consolidated High School District 220 since 2005. She enlisted in the U.S. Army prior to her high school graduation to study Russian at the Defense Language Institute in Monterey, Calif. and served in the Military Intelligence Corps.

Clerk Thirion has a Bachelor’s Degree in German and Russian from the University of Illinois at Chicago, a Bachelor’s Degree in English secondary education from Governors State University, and a Master’s Degree in literacy education from Olivet-Nazarene University. Kristin and her husband, Sven, have lived in Tinley Park since 2005.

Clerk Thirion can be reached at
(708) 444-5000 or

Trustee Bill BradyTrustee William P. Brady
William P. Brady was elected to his first term to the Village Board in April of 2017 and has served on the Public Safety and Public Works committees. He is chairman of the Administration and Legal Committee and board liaison to the Senior Council Committee.

Trustee Brady and his wife, Bette have lived in Tinley Park since 1992. Their grown children, Sean and Megan, are Andrew High School graduates.

Trustee Brady ran a successful business in Oak Lawn for more than 33 years. After retirement, he took the opportunity to work at Orland Township with the Senior Services Department as a driver and various other duties as needed. He has also devoted his time to Boy Scout Troop 911, which is chartered by the Tinley Park Police Department. He was one of its founders and is the committee chairman of the troop. He is a committee member of Scout Crew 422 and the Sea Scouts Troop 2911.

In his spare time, Trustee Brady volunteers for the Illinois Department of Natural Resources as a master hunting and boating safety Instructor. He and his wife are members of St. Stephen’s Deacon and Martyr Catholic Church, where they are both Eucharistic ministers and involved in many of the church’s activities. He is a graduate of both the Citizens Police Academy and the Citizens Fire Academy.

Trustee Brady can be reached at (708) 444-5000 or

Trustee Bill BrennanTrustee William A. Brennan
William A. Brennan was elected to the Tinley Park Village Board in April 2019 and is Chairperson of the Public Safety Committee.

As an insurance agent with State Farm, Trustee William Brennan has owned and operated an agency in LaGrange since 2011. Previously he worked as paramedic for a local ambulance company.

Born and raised in Tinley Park, Trustee Brennan attended elementary and high school in the Village. He graduated from the EMT-Basic program at Moraine Valley Community College and acquired his EMT-Paramedic certificate from Ingalls Memorial Hospital. He now lives with his wife, Lindsay and their four sons in the Pottawattomi neighborhood. In addition, he currently holds a state producers license for insurance in property, casualty, life, health and variable contracts. He is also a licensed mortgage loan originator.

Trustee Brennan is an active member of the community and has volunteered to coach youth baseball and basketball programs. He is also a board member at St. Coletta’s, an organization that provides educational, vocational and residential services for individuals with developmental disabilities. He and his family are also parishioners at St. George Catholic Church in Tinley Park.

Trustee Brennan brings his strong financial background and his insistence on personal relationships to every decision, and his goals are to help make Tinley Park a safer community, invigorate economic growth and cut wasteful spending. 

Trustee Brennan can be reached at (708) 444-5000 or

Trustee Diane GalanteTrustee Diane M. Galante
Diane M. Galante was elected to the Tinley Park Village Board in April 2019 and is the chairperson of the Marketing Committee, having previously served as chairperson of the Finance Committee.

Trustee Diane Galante moved to Tinley Park’s Queens Court subdivision in 1996 with her husband, Joe. They have two children: daughter Julianne and son Joseph. She graduated from the University of Illinois at Chicago with a Bachelor’s Degree in accounting and has been working the past 29 years in Frankfort for one of the largest automotive suppliers in the world. She has experience working for an industry leader, focused on financial strength and an ongoing drive for continuous improvements.

Trustee Galante has been highly active in the community over the years, helping with her children’s sports programs as a team mom and coach, and has held multiple board positions. She has been a regular volunteer for her children’s schools, the Girl Scouts and Boy Scouts organizations, as well as teaching Religious Ed at St. Stephen Deacon and Martyr Catholic Church in Tinley Park, where she and her family are parishioners.

Prior to being elected, Trustee, Galante was an active member on the Marketing and Branding Commission and the Economic Commercial Commission, where she focused on economic development to improve the lives of residents and increase business retention.

Trustee Galante can be reached at (708) 444-5000 or

Trustee Dennis MahoneyTrustee Dennis P. Mahoney
Dennis P. Mahoney was elected to the Tinley Park Village Board in April 2021 and is chairperson of the Public Works Committee. He grew up in Chicago Ridge and moved to Tinley Park in 1986. He is a graduate of St. George and Andrew High schools. He has been a coach with both the Tinley Park Bulldogs and Bobcats athletics programs for many years and serves as a commissioner with the Tinley Park Park District.

Dennis began his career in the construction industry in 1998 as a Local 134 IBEW member, in which he remains active. He has served as an electrical construction foreman working on a variety of projects, including Chicago high-rises, CTA facilities, airport infrastructure, and data centers. He and his wife, Katie, have three children.

Trustee Michael G. Mueller
Trustee Michael MuellerMichael G. Mueller was elected to the Tinley Park Village Board in April 2019 and is Chairperson of the Community Development Committee.

Trustee Mueller was born in Roselle and lived in Chicago for several years before settling in Tinley Park. He graduated from Loyola University Chicago with a Bachelor's Degree in economics and a Master's Degree in information technology. He has strong ties to Loyola's athletics department, where he was a member of the track and field and cross country teams for five years.

With his wife Tracy and two sons, Trustee Mueller lives in the Brookside Glen neighborhood located in the Will County section of the Village.

Trustee Mueller is a senior principal software architect for CSG International, a Fortune 500 company, where he started in 2005. He helps lead some of the largest and strategically important projects for CSG, focusing on delivering value and quality to his clients.

Trustee Mueller can be reached at (708) 444-5000 or

Trustee Colleen M. Sullivan
Trustee Colleen SullivanColleen M. Sullivan was elected to the Tinley Park Village Board in April 2021 and is chairperson of the Finance Committee. She is a graduate from Rasmussen College, where she earned her Associate of Applied Science degree in information technology. She has worked in the healthcare industry for more than 15 years and has a background in finance. She enjoys writing and has recently authored and published two children’s books.

Colleen grew up in Oak Lawn and lived in Chicago for a few years before settling in Tinley Park in 1995. Some of the things that drew her to Tinley Park were the schools, the parks and seeing all the new development happening around town. She is the mother of three daughters.

Colleen has been an active volunteer with Girl Scouts, as well as her children’s various school events over the years. She is co-founder of the Tinley Park Citizen Volunteer Committee that helped serve the senior citizen community by assisting them with grocery shopping and prescription pickups during the COVID-19 pandemic.