Our Staff

"I am beyond thrilled with the growth our Westchester Children's Chorus has seen these past few years. The opportunity to share in the artistry, community and beautiful music these extraordinary young musicians create is so exciting."

Amanda Gundling

Founder, Artistic Director, Chorale Conductor

Amanda Gundling founded the Westchester Children’s Chorus in the spring of 2015.  She has served as a music teacher, choral conductor and vocal coach for the past 12 years. She holds a Bachelor's degree in Music with a concentration in vocal performance from Syracuse University and a Masters degree in Music Education from New York University.

Amanda currently serves as the Concert Choir Director at Mamaroneck High School and the 7th Grade Choir Director at Hommocks Middle School.  Her choirs in the Mamaroneck School District perform both in and outside of their community, travel to collaborate with other ensembles and work with many guest clinicians throughout the school year.  

Previously, Amanda taught Choir and General Music in the Plainview-Old Bethpage School District  and the Huntington School District on Long Island.

In addition to teaching, Amanda has served as a guest clinician, conductor and leader in the Westchester choral community. She is currently the Westchester County Area All State Choral Chairperson. She has served as a guest choral clinician for the Nyack School District, guest conductor for the Westchester Intermediate All County Choir, and guest conductor for the SCMEA Elementary All County Choir on Long Island.

Amanda has participated in conducting and music education workshops such as The Choral Music Experience at Ithaca College with Dr. Janet Galvan and The Cross Choral Training Workshops with the Brooklyn Youth Chorus.  She has studied voice with Dr. Julianna Sabol and Dr. Linda Larson.  She has apprenticed with and studied conducting with Dr. Barbara Tagg, founder and conductor emeritus of the Syracuse Children's Chorus and Dr. John Daly Goodwin, music director emeritus of the New York Choral Society. Amanda was a clinician at the NYSSMA All State Conference in Rochester, New York in 2014 and has presented workshops in music education and choral techniques at New York University.

“I believe that each classroom represents a smaller microcosm of society; through collaboration, creativity, and inspiration, students can understand how music functions in their own.”

“I believe that each classroom represents a smaller microcosm of society; through collaboration, creativity, and inspiration, students can understand how music functions in their own.”

Jennifer Giustino

Cambiata Conductor

A native of Westchester County, Jennifer Giustino has been working with children’s choir programs for the past 7 years in New York and Michigan. She holds a Bachelor’s degree from Ithaca College in Vocal Performance and Music Education, and a Master’s in Music Education from Michigan State University. Additionally, Jennifer completed Level I Orff-Schulwerk certification at Hofstra University.

Jennifer currently serves as a K-5 General Music and Chorus teacher in the Scarsdale School district. Previously, she taught general and choral music in Long Island before moving to Michigan. Jennifer was on staff at the Michigan State University Community Music School as an early childhood music instructor and directed a satellite children’s choir program. While completing her master’s, she was responsible for supervising student teachers, assisting undergraduate music education classes, and an instructor for undergraduate education. During the summer, Jennifer has served as a conductor for the summer SING! Children and youth choir program in Cork, Ireland and directed the inception of an early childhood music program to accompany the program in summer of 2018.

Jennifer’s research and teaching interests explore culturally responsive pedagogy and multiculturalism in the primary music classroom for general and choral elementary music teachers. She has studied and collected children’s music from Ukraine, Poland, and Italy for use in American music classrooms. Jennifer presents research at multiple state conferences including, New York, California, and Michigan.

Jennifer is a WCSMA member and serves as one of the New York ACDA/NYSSMA elementary honor choir co-chairs. Her primary goal as an educator is to teach an appreciation of and provide access to different ways of engaging with music.

“I am very excited to be part of the Westchester Children’s Chorus team. I am honored to be working with such talented and enthusiastic children. I look forward to a rewarding experience for both the children and myself.”

Erica Zimmerman

Cantus Conductor

Erica Zimmerman has been an Elementary General Music Teacher and Choral Director for 15 years.  Erica holds a Bachelor of Music degree in Music Education from the Crane School of Music, a Master of Music in Music Education from Teachers College, Columbia University.  In addition, she holds her Kodaly certification from the Hartt School of Music and her Orff Level 1 Certificate from the Trevor Day School.

Erica is currently the Elementary General Music Teacher for grades K through 5 and the Choir Director for grades 4 and 5 at Chatsworth Avenue Elementary School in Larchmont, NY.  She has taught at Chatsworth for 11 years. Prior to teaching at Chatsworth, Erica spent four years teaching at Link Elementary School in New City, NY. There she taught General Music for grades K through 5, 4th and 5th grade choir and beginning band.  Erica has also taught music theory, levels 1 through 4, at the Rockland Conservatory of Music in Spring Valley, NY and she is currently an EdTPA Scorer for new teachers applying for their New York State Performing Arts Teacher Certification.

Erica is a devoted music educator who values the importance of music education for all children.  She consistently holds high expectations for her students and strives to create meaningful and valuable music experiences at all times.

Erica westcott kelly

Director of Operations

Erica Westcott Kelly has been singing in choirs since the age of 4 and has a passion for supporting choral music education.

She is currently the Music Production Coordinator at Purchase College (SUNY), the Executive Director of the New Choral Society in Scarsdale, and serves on the board of the New York Choral Consortium. She previously worked as the Executive Director of the New York City Master Chorale, and in the education departments at Carnegie Hall, the John F. Kennedy Center for the Performing Arts, and the Orchestra of St. Luke’s. Before moving to New York, Erica was Executive Director of the Tallahassee Community Chorus under the direction of Dr. Andre J. Thomas, as well as Camp Director for Shrine Mont’s Music and Drama camp.

Erica holds a Master of Arts degree in Arts Administration from Florida State University and a Bachelor of Music degree in Vocal Music Education from James Madison University in Virginia.

“I have a particular interest in exploring lesser-known repertoire and bringing to light neglected compositions that are worthy to be heard.”

“I have a particular interest in exploring lesser-known repertoire and bringing to light neglected compositions that are worthy to be heard.”

douglas kostner


Douglas Kostner has been a performing musician for most of his life. He has worked with adult and children’s choirs, hand bell choirs, numerous instrumental ensembles, and theater companies. He has conducted musical theater productions at the Westchester Broadway Theater, New York University’s Summer Musical Theater, and the New Federal Theater. As a choral conductor, he has presented concerts of sacred and secular music both a cappella and with orchestral accompaniment. As an accompanist, he enjoys working in the Mamaroneck School District and the Hudson River School of Music.

Douglas is an active composer and arranger. His church music is published by GIA (Chicago, IL). His compositions and arrangements have been performed at various institutions in the New York City area including St. Joseph’s Seminary, the City University of New York, and the national meeting of the Boards of the Methodist Church.

He is currently Director of Music Ministry at the Larchmont Avenue Church, where he directs a large music program that includes multiple choir and instrumental ensembles. Douglas is the Music Director of the Westchester Chorale, a community chorus in residence at the church, and organist at Sinai Free Synagogue.

Douglas holds undergraduate and graduate degrees from Fordham University and Manhattan School of Music. He is a Fellow of Trinity College of Music (London, UK), and an Associate of the American Guild of Organists.

“I enjoy volunteering my time for non-profit music therapy programs in New York and Japan.”

“I enjoy volunteering my time for non-profit music therapy programs in New York and Japan.”

sanae miyazaki


A native of Japan, Ms. Miyazaki started studying piano at the age of 4. In Japan, she received Piano Performance certifications from Yamaha Music Foundation and PTNA (the Piano Teachers’ National Association of Japan).

Since coming to the United States, she has studied organ at Concordia College-New York and Nyack College, and received her MM in organ performance at Manhattan School of Music. Ms. Miyazaki was a music coordinator at the Church of St. Bernard in White Plains, NY where she played the organ and the piano for both in English and Spanish masses, a music director at Ramapo reformed church in Mahwah, NJ and she currently serves as an organist and a music director at Trinity Evangelical Lutheran Church at Hawthorne, NY. She has performed solo organ recitals at venues including Calvary Baptist Church, Holy Trinity Roman Catholic Church, and Japanese American United Church, all located in New York City.

She has been a faculty member at Nyack College since 2012, as well as a member of The American Guild of Organists and the Associated Music Teachers League. As an active educator, she has piano studio at Sakura Nursery (Harrison, NY) and has been teaching numerous young students.

Ms. Miyazaki is an active collaborative pianist and Basso Continuo player. She has worked on numerous choral and ensemble productions, including the Nyack College Chorale, The Calvary Choir and the Jubilee Chorus, which included performances at The Cathedral Church of Saint John the Divine. She is currently an accompanist for the Westchester Chorale and Westchester Children’s Chorus.