Meet the BOard

Board of Directors

Nathan Costa

Jackson Merrill

Mary Zelinski


Richard Abdoo

 

Pete Townsend

  • Nathan Costa has served churches and schools for over 25 years, currently as Director of Music and Organist at Angelica Lutheran Church in Allen Park. He came to Michigan in 2018 as assistant director of music and liturgist at Christ Church Cranbrook. Previously, he had worked in liturgy and music in Roman Catholic and Episcopal parishes in San Diego, Delaware, and Maryland, and at St. Andrew’s School, an Episcopal boarding school in Middletown, Delaware, where for 17 years he served in teaching and administrative capacities, including as organist / choirmaster, teacher of Latin and Greek, and academic dean. During that time, Nathan has served the AGO, in San Diego on the board and planning committee for the 2017 Pipe Organ Encounter, and on the program committee in Delaware. Nathan received a B.A. in Classics from Yale University and M.A. in Liturgical Music (Organ) and in Theology (Liturgy) from St. John’s University School of Theology in Collegeville, Minnesota.  He is currently teaching at Cranbrook Kingswood Middle School for Boys.

  • Jackson Merrill is the Assistant Director of Music and Organist at Christ Church Grosse Pointe. He recently completed his master's degree in organ performance at the University of Michigan, where he was awarded the Marilyn Mason Scholarship, the Patricia Barret Ludlow Memorial Scholarship in Organ, and the Chris Schroeder Graduate Fellowship. He came to Michigan from Hartford, Connecticut where he was Organist and Director of Music Ministries at Trinity Church, Music Director for The Choir School of Hartford, and Choral Director of Trinity Academy. He holds the Bachelor of Music degree from Jacksonville University where he was awarded such honors as the Harvey Scholl Prize in Piano and the Excellence in Performance Award. Recently, Jackson was honored by The Diapason (a publication designed for organists and organ builders) as a member of their "20 under 30 Class of 2021" which "recognizes young talents in the fields of organ and harpsichord performance, organ and harpsichord building, carillon, and church music.”

  • Mary Zelinski currently serves as the Associate Director of Music Ministry at The National Shrine of the Little Flower Basilica in Royal Oak, Michigan. Previously, Mary served as the Director of Sacred Music at St. Mary Queen of Creation in New Baltimore. She is also a founding board member and the accompanist for The Joshua Chorale, a nonprofit community chorus dedicated to bringing sacred music to unconventional spaces. During the 2018–2019 academic year, Mary worked as a graduate assistant in the American Organ Institute Archives and Library in Norman, Oklahoma. In 2018, Mary earned a Master of Sacred Music in Organ from the University of Notre Dame, where she held an internship at the Basilica of the Sacred Heart, served as a graduate assistant to the Notre Dame Liturgical Choir, and worked as the Director of Music for the Law School Chapel. Mary earned a Bachelor of Music in Organ Performance and Sacred Music from the University of Michigan in 2016.

    A native of Michigan, Mary has performed frequently in the Ann Arbor and Detroit areas. Her musical interests include early music, the music of César Franck, and Gregorian chant-based works.

  • Rick Abdoo has been a member of the Detroit Chapter AGO for 26 years. He has served as a board member, and as Treasurer for a total of eight terms. Rick is a retired engineering supervisor from Ford Motor. He holds a Master of Science degree in Electrical Engineering, and has three patents. Rick has been in business as Abdoo Organ Services, repairing, expanding and rebuilding pipe organs for sixteen years. Rick presently is the Treasurer for the Detroit Chapter AGO, Citizens for Peace, and the Citizens for Peace Education Fund. He was previously the Treasurer for the SuAnne Big Crow Boys and Girls Club. He is experienced in accounting and reporting for his own business as well as non-profit organizations, using Quickbooks Premier for non-profits.

  • Pete studied piano from an early age. While in high school he spent $50 to purchase a tracker organ from small church about to be demolished. He reworked the chest installing electric valves to become unit organ and built a 2 manual console from manuals and pedalboard salvaged from other instruments. He taught himself how to play. He earned a BS in Electrical Engineering from Wayne State University, and while there decided to formalize his knowledge and took 2 years of organ lessons. During college also worked midnight to 6 a.m. on the first restoration of the Fox organ which was in total non-working order, to get it ready for the 1960 AGO Convention. He plays at least once a month at Beautiful Savior Lutheran Church, and remains a true amateur organist.

    In addition to his duties as registrar, Pete is also responsible for maintaining the membership & substitutes lists.

CLASS OF 2025

Jason Branham

Horst Buchholz

  • Jason is the Director of Music and Organist at University Presbyterian Church where he coordinates music for worship services. He also directs choirs for children, youth, and adults, and is chief administrator for Greater Oakland Singers. Jason has directed ensembles of all ages, primarily serving congregations in Michigan and Minnesota. He has taught piano students of all ages and worked as General Manager of Lake Superior Chamber Orchestra. He is also active as a musician on the musical theater scene throughout Oakland County. Jason and his wife, Laura, live with their daughter in Beverly Hills, Michigan.

  • Dr. Horst Buchholz is the Director of Sacred Music for the Archdiocese of Detroit. A native of Germany, Horst received his first musical training in a boys’ choir. After studies in organ, church music, and theory at the University of Arts in Berlin, he continued his studies in conducting at Indiana University where he earned the Doctor of Music degree.

    Dr. Buchholz has been active as a performer, scholar, and educator. He has played recitals in cathedrals and concert halls around the world, and has conducted choral ensembles, symphony orchestras, and opera productions. For 10 years he was the Music Director of the Denver Philharmonic Orchestra. Buchholz is also co-founder and Artistic Director of Pro-Arte Saint Louis, a professional vocal ensemble dedicated to Early Music.

    Buchholz was the organist at Berlin’s Basilica of St. John’s and Director of Music at Denver’s Cathedral Basilica of the Immaculate Conception. In Cleveland he served as Canon for Music and Worship at Trinity Cathedral where he also directed a busy concert series. He comes to Detroit after ten years as Director of Sacred Music at the Cathedral Basilica and Archdiocese of St. Louis.

    Dr. Buchholz has taught at the University of Denver, Cleveland State University, Washington University of St. Louis, and seminaries in Denver and St. Louis. He also serves as Vice-President of the Church Music Association of America. He is married to Dr. Meeae Cecilia Nam, who serves on the voice faculty of Eastern Michigan University.

CLASS OF 2026

Christine El-Hage Walters

David Enos

Michael Bradley

  • Christine El-Hage Walters is a doctoral candidate pursuing a Doctor of Musical Arts in Sacred Music at the University of Michigan. In 2021, she received a Master of Music degree in Sacred Music from U of M, where she was awarded the Marilyn Mason–William Steinhoff Scholarship in support of her studies. She has studied organ under the tutelage of Dr. James Kibbie, Dr. Kola Owolabi, Mr. Todd Wilson, and most recently, Ms. Nicole Keller. Christine also studies carillon with Dr. Tiffany Ng.

    Christine holds a Bachelor of Music Education from Wayne State University, where she graduated magna cum laude and received various scholarships for piano and academic excellence.

    Christine has been teaching Elementary General Music in the Dearborn Public Schools district since 2017. She was at Allen Park Presbyterian Church for over 17 years as their lead organist and choir director, but is now organist and choir accompanist at Assumption Grotto Catholic Church in Detroit, Michigan. Christine also maintains a private studio of piano and organ students. In her spare time, Christine enjoys traveling, shopping, and spending time with her husband and dog.

  • David Enos is a graduate of Westminster Choir College and the Eastman School of Music. He is currently Interim Associate Organist and Carillonist at Kirk in the Hills and Carillonist at St. Hugo of the Hills, where he was previously Music Associate. He has served several terms on the boards of the Detroit and Syracuse chapters of the AGO, and has performed in regional conventions.

  • • Rev. Bradley has served as rector of St. Michael's Church, Grosse Pointe Woods, since December 2019.

    • He received a Bachelor of Music in organ performance at the University of Southern Maine, 1979, and served as organist/choir director at the Church of Sts. Luke & Margaret, Boston from 1979 to 1993, where he developed a fine volunteer choir in the English choral tradition.

    • He completed his Master of Divinity at Harvard Divinity School, 1990, and was ordained in the Episcopal Church. His ministry has included hopital chaplaincy, rural ministry on the Northern Peninsula of Newfoundland, and parish and college chaplaincy ministry at St. George's Episcopal Church/University of New Hampshire, Durham, 1997-2019, where he installed and restored a 19th century pipe organ.

    • He has served in leadership with the New Hampshire chapter AGO, where he focused on the support and education of student organists. He has served as accompanist for choral societies and enjoys time at the console whenever he has some free moments

CLASS OF 2027

Seung Hee Cho

Grace Jackson

David Stultz

  • Dr. Seung Hee Cho is an avid concert organist, chamber musician, and veteran choral and orchestral music conductor. Currently Director of Music at St. Paul's United Methodist Church, Rochester, she holds a Doctorate of Musical Arts in Organ Performance and Literature from the Eastman School of Music and additional post-doctorate studies in choral and orchestral conducting. A true native of liturgical music, Dr. Cho has spent over 30 years as the Director of Music and Organist at several churches in Seoul, Korea, New York, Philadelphia, Michigan, and Washington D.C.

  • Grace Jackson is pursuing a Doctor of Musical Arts with a concentration in organ and sacred music from the University of Michigan studying with Professor Nicole Keller. In May of 2023, Grace received a Master of Sacred Music from the University of Notre Dame with a concentration in organ having studied with Dr. Kola Owolabi. During her time at Notre Dame, she served as organist and graduate assistant for the Liturgical Choir at the Basilica of the Sacred Heart. A native of Oklahoma City, Oklahoma, Grace completed a Bachelor of Music in organ and piano performance from Oklahoma City University (OCU) studying with Dr. Melissa Plamann and Dr. Sergio Monteiro. During her time at OCU, she was honored with the Theodore Presser Scholar award, served Westminster Presbyterian Church as organ scholar (2017-2020), was music assistant for Bishop W. Angie Smith Chapel, held leadership in the Oklahoma City Chapter of the AGO, was Alpha Zeta chapter president of Sigma Alpha Iota, and from 2020-2021 she served St. Joseph Old Cathedral as Director of Music and organist in Oklahoma City, Oklahoma. Grace currently serves St. John’s Church of Detroit as organ scholar under the direction of Dr. Huw Lewis.

  • David Stultz, originally from Chattanooga, TN, began his musical journey studying piano with his grandmother, Dr. Sigrid Luther, throughout high school. David graduated in 2021 with a bachelor's degree in organ performance from the University of Tennessee, Knoxville, under Dr. Edie Johnson. He then received a full scholarship at the University of Notre Dame where he pursued a masters in sacred music with Dr. Kola Owolabi and served as a graduate assistant organist at the Basilica of the Sacred Heart. Currently, David is pursuing a three-year doctoral program at the University of Michigan in Ann Arbor, mentored by Professor Nicole Keller. He also studies organ improvisation with Bálint Karosi. Additionally, he serves as the Associate Director of Sacred Music at St. Hugo of the Hills Parish in Bloomfield Hills, Michigan. Some of David's notable achievements include winning first prize and the hymn-playing award in the 2015 Greater Columbia AGO Young Organist Competition and first prize in the 2021 Southeast Regional AGO Competition for Young Organists. Out of many applicants worldwide, he was recently selected along with six other candidates to compete in the 2024 Haarlem, Netherlands International Competition in Organ Improvisation.

Committee Chairs & SupporT

Programming: Jackson Merrill
Education & Scholarships: Rev. Michael Bradley
Communication: David Stultz
Chaplain: Rev. Randall Engle
Roster Editor: Dalos Grobe
Website: Emily Solomon