Who we are

What follows is a listing of all the full time staff of St. Gregory the Great Parish along with some background information about them. You can reach any one of them by phone at 773-561-3546. You can e-mail them by including their first initial followed by their last name followed by @stgregory.net., e.g. Fr. Paul Wachdorf can be e-mailed at pwachdorf@stgregory.net

Fr. Paul Wachdorf, Pastor

Fr. Paul Wachdorf hails from the South side of Chicago. He was born and raised in St. Justin Martyr Parish. He attended Quigley High School Seminary South, Niles College of Loyola University, graduating in 1971 with a B. S. in Psychology. He attended Mundelein Seminary where he received a Master of Divinity degree. He was ordained a priest in 1975. He served his first priestly assignment at St. John Fisher Parish on the South side of Chicago. In 1981 he was appointed to the faculty of Mundelein Seminary. While serving on the faculty, he went away to study for four summers at Creighton University in Omaha, Nebraska where he received a Master’s Degree in Christian Spirituality in 1984. For his first ten years at Mundelein Seminary, he was an Associate Dean of Formation and a spiritual director. For the next 16 years he served as the Director of Spiritual Life and Prayer Formation. While at Mundelein Seminary, he served as a weekend associate at Sts. Faith, Hope and Charity Parish in Winnetka. He was named pastor of St. Gregory the Great Church in July of 2007.

Fr. Brian Fischer, Associate Pastor

Fr. Brian Fischer grew up in Mount Prospect. After attending the Archdiocesan Seminary system, he was ordained a priest in 1979. In 1983 he was appointed to the faculty of Mundelein Seminary and pursued his doctoral work in Liturgy at San Anselmo University in Rome. From 1988 until 2001, Fr. Fischer was Professor of Liturgy at Mundelein Seminary, and was instrumental in training hundreds of priests from around the United States. St. Gregory’s is blessed to have Fr. Fischer as Associate Pastor. He assumed his duties here in September of 2001


Sr. Regina De Vitto, Pastoral Associate

Sister Regina, a native New Yorker from Staten Island, is a sister of the Congregation of Notre Dame of Montreal. She holds an MA in Theological Studies from Weston Jesuit School of Theology (Boston College) and an MA in Church Music and Liturgy with a concentration in Voice from St. Joseph’s College, Rensselaer, Indiana. Regina has worked with children and youth from primary through young adult. As Campus Minister at Fordham University in the Bronx, she taught faith formation in the RCIA program, offered grief counseling, trained students in various aspects of liturgical ministry and encouraged students to consider religious life and other Church-related vocations. She plays the guitar, likes to cook, and enjoys a good mystery. She began her duties as Pastoral Associate and coordinator of St. Gregory’s Saturday School of Religion in August 2012.

Cheri Dahlen - Director of Music

Cheri grew up in Joliet, Illinois. She pursued a degree in piano performance first from the University of Illinois at Urbana-Champaign, then at DePaul University, where she studied with Eloise Niwa and Mary Sauer. After an injury derailed her aspirations to a concert career, she discovered that teaching is her true vocation and has taught General and Vocal Music at both the Middle and High School levels.  She is currently pursuing a M.A. in Linguistics at Northeastern Illinois University. She loves soccer, science, Shakespeare, and bad puns. She began her duties as Director of Music at St. Gregory the Great in October 2018.


John Miaso, Business Manager

John Has been the Business Manager at St. Gregory the Great Parish since 2006. Prior to his return to Chicago from Tampa Florida, John was actively involved in several ministries in the diocese of St. Petersburg from hospitality ministry to marriage coordination. He worked on creating several church websites, and was active with his parish financial reporting. John has been active in the Knights of Columbus Florida State Council on the local level as Grand Knight and Faithful Navigator and has led his parish council to several state and national awards in the areas of Family, Publicity, Church, Council, and Membership. In his duty as Former State Secretary, John successfully carried out the duties for over 40,000 members of the Knights in Florida. John’s business background includes over 30 years of data processing expertise ranging from operation on early IBM mainframe systems to the supervision and Management of Data Processing at several Fortune 500 corporations.


Bernadette Daniels, Administrative Assistant 

Bernadette is a Chicago native.Her career in Office Administration began in 1968 at Serec, Inc.,a former Chicago-based music distributor. From 1975-1986, Bernadette took on the role of Office Manager at Unlimited Office Supplies in Elmwood Park, IL where she handled Sales, Accounting, as well as AP/AR. Throughout the next 18 years, Bernadette fostered the early boom of desktop computing (as well as the rapid growth of Office Technology Systems, Inc. in Lakewood, Colorado) by negotiating Government Sales Contracts, coordinating Human Resources and Outsourcing, and overseeing the Accounting department. Bernadette has served as Administrative Assistant at St. Gregory the Great since February 2006.