“Sing to the Lord a new song; sing to the Lord, all the earth.” Psalm 96:1 NIV

lost tree chapel choir

The Lost Tree Chapel Choir sings in a variety of styles: classical, contemporary, and traditional anthems, as well as great hymn arrangements that reflect our rich musical heritage. Our Music Director, Geoffrey Holland has enjoyed serving at the Chapel since 2013 alongside his wife Patty our organist and pianist. Both Geoff and Patty are classically trained and have performed in many professional and university settings.

Soloists Mark Sullivan and Christina Overton have recently joined us from both Grammy Award- winning groups as, Chanticleer, and Opera performances of Lauretta in Schicci, and Nellie Forbush in South Pacific. Our Chapel Choristers are Palm Beach Atlantic University graduates pursuing careers in Opera, Education, and various other musical professions.

Mark Sullivan


Mark a bass-baritone, recorded and toured with Grammy Award-winning group Chanticleer. From 2008 – 2014 he sang with the Men and Boys Choir of Saint Thomas Church 5th Avenue in New York City. From 2010 – 2021 he was a member of the Metropolitan Opera chorus singing up to 175 performances per year. For many years he lived in New York City, singing, recording and touring with groups performing styles ranging from Gregorian chant to Gospel to 21st century works. Solo appearances include Pilate in Brooklyn Academy of Music’s St. Matthew Passion, Variagian in Rimsky-Korsakov’s Mlada with the San Francisco Symphony, and small solos with the Metropolitan Opera. He also portrayed the role of Jesus in Arvo Pärt’s Passio with the Dessoff Choirs in NYC. In addition to maintaining a private voice studio Mark has also taught voice class at the Borough of Manhattan Community College. He and his wife, soprano Marguerite Krull, are happy to have relocated their family to the sunny Treasure Coast.

Christina Overton


Praised for her “lilting mezzosoprano” (Pittsburgh Post-Gazette), Christina Overton is establishing herself as a dynamic artist in the musical realms of opera, concert, and musical theatre. Most recently, Overton performed the role of Lauretta in Gianni
Schicchi. Past seasons include Nellie Forbush in South Pacific with Indianapolis Opera, Desireé Armfeldt in A Little Night
Music and Marthe in Faust with the Natchez Opera Festival, and Julie LaVerne in Show Boat with Opera Naples. She also performed with Chatham Opera at Festival of the Arts BOCA and The Orlando Philharmonic Orchestra in their productions of The Magic Flute. Her performance in the title role of Kiss Me, Kate with Opera Theater of Pittsburgh was met with much enthusiasm, praised for a performance “impeccably sung” (PA Theatre Guide) and a “fine comedic flair in her acting” with “authentic chemistry on stage […] both genuine and affecting.” (Pittsburgh Post-Gazette). Other roles include Dorabella in Così Fan Tutte, Prince Orlofsky in Die Fledermaus and Cherubino in Le Nozze di Figaro. She has been a featured artist in concert with The Miami Symphony Orchestra, Virginia Consort and with the Evansville Philharmonic Orchestra. Overton appeared with the Klezmer Company Orchestra in the first Florida production of Bernstein’s On the Town, and at Indiana University, she debuted the role of Ippolita from P.Q. Phan’s new opera, Lorenzo De Medici in Bloomington, Indiana. Overton has been garnished awards. She was a 2016 Marianne Cornetti Scholar, a semi-finalist in the American Traditions Vocal Competition, the recipient of the Beulah Walwark Endowment Award, and finalist in the Palm Beach National Vocal Competition. She holds a Master of Music degree from the Jacobs School of Music at Indiana University.

Dean Peterson


Dean Peterson is a graduate of Carthage College with a degree in Psychology, and a graduate of Florida Atlantic University with a BM and MA degree in Voice Performance. As an operatic Bass, he has been a principle artist at La Scala, The Metropolitan Opera, The Beijing Opera, The Vienna Stats Oper, Der Deutsche Oper in Berlin, The Chicago Opera, The San Fransisco Opera, as well as many other opera houses both here in the United States and Canada, South America, Europe, and the Middle East. Dean also has an extensive concert repertoire and has participated in many recordings both for the American and European audience on DVD as well as CD formats.

Rosalina Ribeiro


Rosalina is a senior music education major at Palm Beach Atlantic University. She is a soprano studying under the tutelage of Marilyn Mims. Rosalina grew up in South Florida, attending and singing at multiple churches and is excited to return for a second season with the Lost Tree Chapel Choir!

Veronica Garcia


Veronica is the current chorus director at Lake Worth Community Middle School. She graduated from Palm Beach Atlantic University in 2022 with a Bachelors Degree in Music Education. She is very excited to be back at Lost Tree for her third consecutive year.

Angelica Zapata


Angelica is the music teacher at Hammock Pointe Elementary School. She graduated from Palm Beach Atlantic University in 2022 with her bachelor’s in music education. She has been a musician her whole life and is glad to be singing at Lost Tree Chapel for her 4th season.

John-Paul Gonzalez Jr.


John-Paul Gonzalez Jr. graduated from Palm Beach Atlantic University in 2022 with a bachelors in Music Education. He is teaching K-5 Music at Whispering Pines Elementary. He is looking forward to his second season at Lost Tree.

Casey McNamara


Casey is a recent graduate of Palm Beach Atlantic University with a Bachelor of Music degree in Vocal Performance. He has performed with professional and amateur organizations around Palm Beach County; including Palm Beach
Opera, the Choral Society of the Palm Beaches, and the Lost Tree Chapel Octet. Casey currently works as the chorus director
at Tradewinds Middle School in Greenacres, FL.

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