Artistic Director

Founder and Artistic Director Emeritus

Associate Artistic Director

Rehearsal Director, Alexandria Treble Chorus;  
Accompanist, Bel Canto Chorus; Theory Instructor

Accompanist, Concert Chorus and Chamber Ensemble

Accompanist, Treble Chorus; Theory Instructor

Accompanist, PREP and SING DC

Instructor, SING DC

Accompanist, SING DC



Betsy Bates

Victoria S. Kimble

Ashlee Albertson

Joseph Aubry

Maxine Pagliano

Darren Shillingford

Executive Director

Development Advisor

Operations Manager

Chorus Manager

Concert Manager

SING DC Coordinator

  Margaret Nomura Clark

Margaret Nomura Clark


Ms. Clark was the Associate Artistic Director of the San Francisco Boys Chorus (SFBC) from 2009-2015, directing the Intermediate chorus and supervising all tiers of the SFBC Training Chorus School. Together with Artistic Director, Ian Robertson, she has worked closely with the San Francisco Symphony and in many different productions with the nationally acclaimed San Francisco Opera. Ms. Clark has performed and toured with her chorus at numerous festivals including the Grand Teton Music Festival. A highlight of her career was an invitation with the San Francisco Boys Chorus to sing at the inauguration of President Barack Obama in 2009.

In the fall of 2015, she was appointed to the choral faculty at the San Francisco Conservatory of Music (SFCM) Pre-college Division and launched a choral program for instrumental students ages 7-18. In addition to her work with the SFBC and SFCM, Ms. Clark is currently the middle school music teacher at the Hamlin School for Girls in San Francisco. Over the past 11 years, she has created and established a choral program that now is a hallmark of the Hamlin School. Each week, over 100 students voluntarily come to rehearsals before school to sing in the chorus, and many of her former students have continued to sing in vocal ensembles after graduating from Hamlin. Ms. Clark’s choruses have consistently earned Gold medals and Unanimous Superior rankings at festivals and choral adjudications. In 2016, the Hamlin School Chorus was invited to be a showcase performance ensemble at the National Association of Independent School Conference in San Francisco.

Although a native to the San Francisco Bay Area, Ms. Clark has worked extensively with children’s choirs in Ohio, New York, and Japan and is a presenter and clinician for choral festivals and workshops. She earned her B.M.E. and M.M.E in Music Education from the Oberlin Conservatory and has studied choral conducting with Robert Shaw, Rodney Eichenberger, Henry Leck, and Doreen Rao. Coming from a family of educators and musicians, Ms. Clark is passionate about instilling a love for singing and music in children and is committed to helping each student develop as a musician and a performer.

Margaret Nomura Clark said, “I am honored and very excited to be selected as the Artistic Director of the Children’s Chorus of Washington. This is truly a dream come true as I have followed the Children’s Chorus of Washington over the years and am very aware of the standard of excellence and achievement established by Joan Gregoryk. My experience with the San Francisco Boys Chorus and my years in music education has prepared me for this next adventure, and I am looking forward to leading the Children’s Chorus of Washington in the next chapter of its development.”


 Joan Gregoryk

Joan Gregoryk

Founder and Artistic Director Emeritus

Joan Gregoryk, Founder & Artistic Director Emeritus of the Children’s Chorus of Washington (CCW), is internationally recognized as a leader in the field of children’s vocal music. Ms. Gregoryk taught for many years at Chevy Chase Elementary School where her work with the school’s chorus won her considerable acclaim within professional music organizations, as well as invitations to perform throughout the United States and Europe. She prepared members of the Chevy Chase Chorus for the Grammy Award-nominated CD and film soundtrack recording of Mussorgsky’s Boris Gudunov with Mstislav Rostropovich and the National Symphony Orchestra. Building on these accomplishments, she founded CCW in 1995 with the goal of developing the top children’s vocal ensemble in the Nation’s Capital. Since then, Ms. Gregoryk has prepared choristers for performances with leading conductors including Christoph Eschenbach, Julian Wachner, Leonard Slatkin, Scott Tucker, Norman Scribner, John Rutter, Valery Gergiev, and Philip Glass.

Ms. Gregoryk is in constant demand as a workshop leader and guest conductor in the United States, Canada, and Europe. She has conducted numerous district and state children’s honors choruses and the American Choral Directors Association (ACDA) Children’s Chorus in the Southern, Southwestern, and Eastern Divisions. In 2017, she will conduct the National Honors Children’s Chorus at the ACDA National Conference in Minneapolis, MN.

A leading authority on children’s vocal development and children’s choruses, Ms. Gregoryk has taught numerous courses and authored formative texts and publications on these subjects. She has received many honors including Outstanding Arts Educator in the United States from the Rockefeller Brothers Funds Awards in Arts Education, the Washington Area Music Award (Wammies), the Greater Washington Choral Excellence Award, the Maryland Outstanding Elementary Music Educator Award, the Conservatory Medal of Excellence from Shenandoah University, and the 2015 DC Area Choral Excellence “Ovation” Award for her outstanding contributions to choral music. Ms. Gregoryk has been named a 2015 Washingtonian of the Year by Washingtonian Magazine.

She holds both a Bachelor of Music from St. Catherine University where she received an Outstanding Alumnae Award, and a Master of Arts in Music Education from the University of Maryland. Ms. Gregoryk is an Artist-Teacher Associate at the Choral Music Experience Institute founded by Dr. Doreen Rao.

Ms. Gregoryk “passed the baton” in July 2016 at the conclusion of CCW’s 20th Anniversary Season.


 Donald Cotton

Donald Cotton

Associate Artistic Director

Donald Cotton, conductor of Treble Chorus and the Young Men’s Ensemble, teaches at St. Andrew the Apostle Catholic School in Clifton, VA, and is Director of Music at St. Ambrose Catholic Church in Annandale, VA.  Previously he taught music at Queen of Apostles Catholic School in Alexandria, VA, for 22 years where he established an exemplary music education program.  The choirs under Mr. Cotton’s direction are known throughout the Arlington Diocese for their extraordinary performances. At the invitation of the Archdiocese of Washington, Mr. Cotton has prepared children’s choirs for tapings of the televised Christmas Day Mass at the Basilica of the National Shrine of the Immaculate Conception. His choirs have performed at the White House and on the Kennedy Center’s Millennium Stage. In 2000, his choir was invited to participate in An American Cantata: 2000 Voices with the National Symphony Orchestra. Repeatedly, the choirs have performed on live television for the annual Worldwide School Children’s Holy Hour at the National Shrine of the Immaculate Conception. Mr. Cotton has also performed as a vocal soloist in Prague and has served as accompanist for children’s choral festivals throughout Europe, South America and the United States. Recently, he served as judge and clinician for district choral assessments in Virginia. Mr. Cotton received his Bachelor of Music in Piano Accompanying from Shenandoah Conservatory of Music in Winchester, Virginia.

 Anne Davis Tyler

Anne Davis Tyler

Rehearsal Director, Treble Chorus VA

Anne Davis Tyler is a music educator at St. Patrick’s Episcopal Day School in Washington, DC. In addition to her department chair and general music classroom responsibilities, she conducts the Middle School Chorus and Chamber Singers, directs the Middle School theater productions, and various handbell ensembles. She has served as a professional accompanist for Maryland All-State, ACDA Eastern and National divisions reading sessions, and Fairfax (VA) Choral Society’s youth choruses.  She has presented workshops for Maryland Music Educators Association and the Association of Independent Maryland Schools in music technology and drumming. In November 2006, Ms. Tyler participated in the Japan Fulbright Memorial Fund (JFMF) Teacher Program. Recently she has worked with Frederick Children’s Chorus summer camp, accompanying and teaching drumming.  She was awarded the O’Neil-Carew Fellowship in 2010-2011 for her study of worship and music in the spiritual community of Taize, France. In November 2010 she co-presented a workshop on “Taizé Worship in the Middle and Secondary Schools” at the National Association of Episcopal Schools in San Antonio, Texas. Ms. Tyler was the 2010-2011 O’Neil-Carew Fellow at St. Patrick’s School. She holds a Masters of Music from Catholic University.

 Edward Kim

Edward Kim

ACCOMPANIST, Concert chorus and Chamber Ensemble

Edward Kim is a graduate of Dartmouth College (BA Anthropology, magna cum laude) and the University of Maryland (MM Collaborative Piano with Rita Sloan), and is a former recipient of the Fulbright Grant. He earned a Graduate Diploma in Collaborative Piano at the Juilliard School in 2015 under the tutelage of Jonathan Feldman and Margo Garrett. Mr. Kim served as a pianist-coach and conductor at the Salzburg State Theater in Austria from 2015 to 2017. Previous summer festival appearances include work as a Coaching Fellow at the Wolf Trap Opera Company, the Music Academy of the West, the Aspen Music Festival and School, and the European-American Musical Alliance in Paris, France.


ACCOMPANIST, Treble Chorus

James Senson has served as Director of Music and Organist for Saint John the Beloved Catholic Church since 2014, previously working as Assistant Director of Music since 2009.  In addition to serving as organist at all Masses, he conducts the Parish Choir and Saint Cecilia Schola.  He also directs the Sacred Music Apprenticeship Program which trains high school organists and cantors to serve the liturgy.  A native of Virginia Beach, Mr. Senson has a Bachelors of Music in Keyboard Performance from the University of Miami (FL) and a Masters of Science in Education from Old Dominion University.  Prior to moving to Northern Virginia, he worked with multiple arts organizations in the Hampton Roads community including the Virginia Opera, Virginia Symphony Orchestra Chorus, and Virginia Chorale. His experience in education includes serving as a music instructor for the Governor's School for the Arts in Norfolk and a Math Teacher and Assessment Administrator for Fairfax County Public Schools.  

 James Senson

James Senson