Peery was transferred from St. Joseph the Worker after serving there for 24 years and assigned to Our Lady of the Brook in July 2006 following his retirement from Allstate where he worked for 29 years. He has a BA and MA from DePaul University and a MA in Pastoral Theology from St. Mary of the Woods. He has been married to Mary Ann for 43 years. They are the proud parents of thee daughters and four grandchildren. He has been a deacon for 29 years. While serving in the traditional diaconal areas of Liturgy, Word, and Charity, his primary focus is adult faith formation. Peery also teaches in the Deacon Formation Program and is working on his certification as a Coordinator of Adult Faith Formation by the Archdiocese of Chicago.

Eva-Maria Rill has been at OLB since October of 2007, and prior to that she was the office manager at St. James in Arlington Heights for 9 years.  She holds a bachelor's degree from DePaul University in Management and Marketing.  Before coming to St. James, Eva helped build and run her family's business, and also worked in government and private industry.
In her spare time, Eva teaches many forms of needlework and German language and folk dancing as well being active in many civic and youth associations.

Amy Principi has been the Bulletin Editor at OLB since April of 2007. She also oversees Publicity for the parish, sending items to the papers and surrounding church bulletins. She added bookkeeping to her duties in April 2011. Before joining OLB, she was Editor at another church for seven years. She is a member of St. Alphonsus Liguori parish in Prospect Heights. Her son attends Bradley University and her daughter is a graduate of Illinois Wesleyan University. Amy and her husband have been married since '88, and they reside in Mt. Prospect. She received her BA from Albion College and her MBA from the Kellogg School at Northwestern.