Young Organist Collaborative Faculty

Barbara Flocco serves as Chapel Organist at Phillips Exeter Academy and Music Director/Organist at Bedford Presbyterian Church, where she directs youth and adult choral and handbell choirs. 

Private piano study began at Philadelphia's Settlement Music School. Barbara graduated summa cum laude from West Chester University, and she holds a Masters from UNH. 

Barbara maintains a private piano, harpsichord, and organ studio and also coaches performers of chamber music.

Jennifer McPherson Mulhern serves as Director of Music and Liturgy at St. John’s Episcopal Church in Portsmouth, NH.  She holds degrees from College of the Holy Cross in Worcester, MA, as well as Oberlin Conservatory of Music in Oberlin, OH.  

As a recitalist, she has performed throughout the United States and Canada.  She has been awarded prizes in multiple competitions, including the International Organ  Competition Jan Pieterszoon Sweelinck in Amsterdam. A committed teacher of young musicians, Mrs. Mulhern is co-director of The Choir School at St. John’s, an after-school tuition-free music program for children grades 3-8.  

Jennifer serves on the Young Organist Collaborative Committee and also teaches organ at Phillips Academy in Andover, MA.

 Adam Peithmann serves as Director of Music and Organist at Christ Church Episcopal in Exeter, NH. Originally from Nebraska, he has held music ministry positions in a variety of churches throughout the Northeast,  including the First Congregational Church in Manchester, NH, and Tower Hill Church in Red Bank, NJ.

Adam earned a Bachelor’s degree  in Organ Performance from the Eastman School of Music and a Master’s degree in Organ Performance, along with a Certificate in Church Music, from the Yale Institute of Sacred Music. As a Fulbright Scholar, he pursued additional studies in Bremen, Germany, with a focus on 17th and 18th-century organ repertoire and historical performance practice.

Johnna Reneé Ross is a passionate teacher, performer and devoted church musician. 

She began studying the organ as a teenager in Worcester, MA where she received invaluable instruction and support through the American Guild of Organists, local churches and organists in her area. Johnna continued her study of organ as well as harpsichord at the IU Jacobs School of Music, where she earned a Bachelor of Music degree in performance.  She currently teaches piano and organ at the Nashua Community Music School and has been featured in the First Music Concert series at First Church in Nashua (2017, 2018).  In 2020, Johnna was the interim organist at First Baptist Church in Worcester, MA.  She continues to serve as a substitute organist and recitalist throughout Southern New Hampshire and the Worcester area.

Tamara Rozek serves as Director of Music Ministry and Organist at Middle Street Baptist Church in Portsmouth, NH, and as Organist at St.  Elizabeth of Hungary Mission Church in Seabrook, NH. 

She has given organ recitals in the Seacoast area, Boston, and Sydney, Australia and has been harpsichordist with several early music ensembles, as well as giving vintage theatre  music concerts for the Theatre Organ Society of Australia.  She is a piano instructor at Musical Arts of Dover and at My School in Dover, NH. 
 She holds degrees in organ and harpsichord from the University of New Hampshire.    

Tamara has served on the Young Organist Collaborative Committee, is a former Artistic Director of the Sandpipers Seacoast Children’s Chorus, and has sung with Seacoast Community Chorus, Boston Bach, and Seraphim Singers.  

Hentus van Rooyen, a native of South Africa, is Director of Music Ministries at St. Alban’s Episcopal Church, Cape Elizabeth, ME. Prior to his relocation to Maine in 2022, van Rooyen served as Assistant Professor of Music, Sacred Music Coordinator and College Organist at Bethany College in Lindsborg KS, where he taught organ, music history, music theory, aural skills, and directed the Bethany College Handbell Ensemble. He also served as the Director of Music and Organist at Christ Episcopal Cathedral in Salina, KS.

An award-winning musician and scholar, Hentus holds the degrees Doctor of Musical Arts and Master of Music in organ performance from the University of North Texas. His other degrees in organ performance, pedagogy, and church music were completed at the University of Pretoria and University of South Africa. 

David Wold, is a New Hampshire-based organist, teacher, and concert producer. He has held organist and music director positions at the First Church Congregational, Rochester; South Church, Concord; and while in college at St. George Episcopal Church, York Harbor, ME. More recently, while organist at the Rye Congregational Church, David was the founder and co-artistic director of the Abendmusik Fine Arts Concert Series which ran for ten consecutive years. 

David is currently the producer and executive director of Great Bay Philharmonic Orchestra and organist at St. Theresa Church, Rye Beach, NH. He has been an organ instructor with the Young Organist’s Collaborative since 2012, and has maintained an active private organ and piano studio since 1991.

He studied organ at Bishop’s College School, Lennoxville, Quebec, CA in high school with Gwilym Bevan. In college he studied with John Wicks and John Skelton at the University of New Hampshire, Durham, where he received the BA degree in Music with a concentration in Organ Performance. Post-graduate studies include Piano Pedagogy with Ruth Edwards and attending the Boston Organ Academy. 

David loves to ski and scuba dive, attend concerts, and support musicians and artists of all kinds.