Michael D. Costello is a distinguished church musician, conductor, composer, and pastor whose work reflects a deep commitment to the intersection of music and liturgical life. Costello has served since 2008 as cantor at Grace Lutheran Church and School in River Forest, Illinois, directing a comprehensive music program and leading the renowned Bach Cantata Vespers series, presenting the sacred works of J. S. Bach within a liturgical context. In addition to parish responsibilities, Costello is artistic director of Consonance Chicago and remains active as a singer, conductor, and educator. Costello’s compositions for choir and organ are published by several major sacred music publishers. Costello’s work is marked by musical excellence, theological sensitivity, and a commitment to fostering congregational song and choral artistry.