NWVA Artistic Team
Samuel Barbara
EXECUTIVE ARTISTIC DIRECTOR
excellence in teaching. Under his direction, the Cleveland “A” Choir won the 5A Oregon State Choir Championships three times. Samuel earned his Bachelor of Arts in Music and Master of Arts in Teaching degrees from the University of Portland. After completing his undergraduate work, Samuel was awarded a Fulbright Grant to teach English and study music in Weimar, Germany. While in Weimar he taught at the Musikgymnasium Schloss Belvedere, sang in the chamber choir at the Franz Liszt Music Conservatory, and took choral conducting coursework under Professor Jürgen Puschbeck.
Samuel has sung professionally, both as a soloist and an ensemble member, and he remains active as a vocal artist. As a member of the University of Southern California Thornton Chamber Singers, Dr. Barbara appeared on live television with Barry Manilow and sang backup with the Rolling Stones; worked closely with notable composers such as Morten Lauridsen, Paul Mealor, Wolfram Buchenberg, and David Conte; attended masterclasses with Rodney Eichenberger, Jamison Marvin, Joan Conlon, and Vance George; and performed with the Los Angeles Chamber Orchestra under the baton of Maestro Helmuth Rilling. Under Dr. Barbara’s direction, the Westminster College Concert Choir appeared live on stage with the internationally renowned performing group “The Tenors,” performed J.S. Bach’s Cantata 191 with the Warren Philharmonic Orchestra and collaborated with the Shenango Valley Chorale to present Bernstein’s Chichester Psalms. Each year, the Concert Choir and Chamber Singers embarked on an extensive performance tour and, under his direction, the ensembles performed in cathedrals throughout Germany, Austria, and the Czech Republic. The PCC Chamber Choir, under Dr. Barbara’s direction has been similarly active; highlights include a Canadian performance tour, an appearance with the Oregon Symphony, a performance on All Classical 89.9 Thursday’s at 3 and the presentation of numerous large works including Ramirez Missa Criolla, Corigliano Fern Hill, Brahms Ein Deutsches Requiem and more.
Before serving at Westminster College, Dr. Barbara was Interim Director of Choral Activities at the University of Tennessee at Martin. While in Tennessee, Samuel presented for the Tennessee Music Educators Association, lectured on Music in Terezín as a part of the UT Martin Academic Speakers Series, conducted the UT Martin Honor Choir, and was invited by the West Tennessee Vocal Music Educators Association to adjudicate their choral and solo and ensemble festivals. Dr. Barbara has also presented his research at state conferences of the National Association for Music Education in Pennsylvania, Ohio and West Virginia and is published in volume four of Teaching Music Through Performance in Choir. Samuel served as Festival Host for the Pennsylvania Music Educators Association District 5 Honors Chorus and Choral Music Performance Assessment, Treasurer for the Pennsylvania chapter of the American Choral Directors Association, as well as the tri-state chapter of the National Association of Teachers of Singing. He currently serves on the Oregon ACDA board as Repertoire and Resources Chair for Colleges and Universities and Chair for OSAA State Choir Championships Required Literature List. He remains very active throughout the choral community and is in demand as a guest conductor, choral clinician, and adjudicator.
Dr. Samuel Barbara is the Director of Choral and Vocal Studies at Portland Community College, Rock Creek Campus, where he conducts the chamber and concert choirs, teaches applied lessons and class voice. Before relocating home to Oregon, Samuel served as Director of Choral Activities and assistant professor of music at Westminster College in New Wilmington, Pennsylvania. He completed his doctorate in choral music at the University of Southern California, where he was a senior teaching assistant in the Department of Choral and Sacred Music and assistant conductor of the USC Thornton Chamber Singers.
While at USC, he studied under Jo-Michael Scheibe, Nick Strimple, Cristian Grases, and Donald Brinegar. Before moving to Southern California, Dr. Barbara served as Director of Choirs at Cleveland High School in Portland, where he was awarded the “Golden C” for
Karen Bohart
ASSISTANT CONDUCTOR / YOUTH CHOIR
Karen Bohart is the Director of Choirs at Wilsonville High School just south of Portland, Oregon where she directs the Chamber Choir, Symphonic Choir, Bella Forte and Soul’d Out, and teaches AP Music Theory and Class Voice.
Karen is past-President of the Oregon ACDA (American Choral Director Association) and was previously ORACDA/OMEA Choral Liaison Chair. She has served on the OMEA (Oregon Music Educators Association) Board as manager for several All-state choirs and previously served on the Oregon ACDA Board as the Treble Choir Repertoire and Standards Chair.
Karen's Reynolds School Pro Cantorum Choir was invited to perform at the 2108 Oregon Music Educators Association (OMEA) State Conference. In 2017 she presented at the OMEA State
Conference. In 2017 she presented at the OMEA State Conference in a session entitled “Cultivating a Choral Community in a Sea of Diversity.” Recently, Bohart was named Outstanding Music Educator of the Year for the Pacific Northwest region by the National Federation of State High School Associations.
Karen has also enjoyed working as a staff member on a trip to Europe with the Oregon Ambassadors of Music, 2015. Karen is a state certified choral adjudicator and has adjudicated choir and solo/ensemble festivals in both Oregon and Vancouver, Washington. She holds a Bachelor of Science in Music from the University of Oregon, and a Master of Music Education from the University of Colorado at Boulder.
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Morgan DeLange, Soprano Section Leader
Morgan holds a Bachelor of Arts in Music Education from Oregon State University, where she studied voice and served as soprano section leader and vocal area assistant. She worked with the Parkrose choral program in 2022 and is currently in her third year as the choir director at Centennial High School. In addition to teaching, she has served as music director for Little Shop of Horrors (2024) and Little Women (2025) at Centennial, bringing her passion for vocal performance and musical theatre into the classroom and the community.
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Haley Maddox, Alto Section Leader
Haley Maddox—a Portland native—studied opera at Portland State University, where she performed the roles of Suzy in Puccini’s La Rondine, Mère Jeanne in Poulenc’s Dialogues des Carmélites, Hermia in Britten’s A Midsummer Night’s Dream, and Cherubino in Le Nozze di Figaro. She also appeared as the Alto soloist with the Oregon Repertory Singers in Beethoven’s Missa Solemnis.Haley holds two degrees from Portland State University: a Bachelor of Music in Vocal Performance and a Master of Education. She sang in the award-winning Portland State Chamber Choir for three years under the direction of Ethan Sperry, including the ensemble’s first-place finish at the Seghizzi International Choral Competition in Gorizia, Italy.
In addition to her work as a performer, Haley teaches private voice lessons and previously taught choir and elementary music in public schools for five years. She currently works for the State of Oregon and continues to perform locally.
Haley is passionate about making classical music accessible to her community and finds joy in helping students develop confidence and artistry through singing. Beyond choir, she enjoys exploring Portland’s creative scene, singing opera, and playing the ukulele.
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Aisea Poulivaati, Tenor Section Leader
Portland native, Aisea Poulivaati is excited to be joining NWVA as tenor section leader. Poulivaati has sung as a soloist and choral musician throughout the Portland-metro area since he was a young boy at Stone Tower Seventh Day Adventist Church. Aisea began his formal musical training at Cleveland High School under the direction of Steve Peter. Aisea took second place at the OSAA State Vocal Competition as a junior and a senior. Aisea also sang with the Pacific Youth Choirs throughout high school and sang with the Oregon Bach Festival every summer.
Following high school, Aisea enrolled at University of Arizona where he studied vocal performance. In 2010, Poulivaati was advanced through the Las Vegas round of America’s Got Talent, where he appeared on episode 511 of Season 5, after two of the three judges advanced him. Although his academic studies were abbreviated due to family circumstances, he has since resumed his pursuit of a vocal performance degree at Portland Community College where his sings in the PCC Chamber Choir and studies voice in the studio of Dr. Samuel Barbara.