Clergy and Program Staff


The Reverend Dr. Matthew Waterstone
Senior Minister

The Reverend Jonah Smith-Bartlett
Youth and Family Minister

The Reverend Samuel T. Clover
Associate Minister and Communications Director

Dr. Dawn Ravella
Minister of Mission Outreach

Alexis Mastromarino
Christian Education Director

Judith McCandless
Volunteer and New Member Coordinator

Lee J. Corbett
Handbell Director

Jenny Ribeiro
Children’s Choir Director

Margaret Murtagh
Director, Reformed Church Nursery School

Administrative staff

Housekeeping and maintenance


The Reverend Dr. Matthew Waterstone

Senior Minister, ext. 131

Dr. Waterstone, Senior Minister, began his ministry at The Reformed Church in October 2018. Previously, he served for 10 years as Senior Minister of the First Reformed Church in South Holland, IL, a suburb of Chicago. During his time there, he also served as chaplain to the South Holland Fire Department and an adjunct faculty member at Trinity Christian College in neighboring Palos Heights, IL. He is the author of the book “Dear Church: Letters to My First Church,” as well as many articles, blogs and podcasts. Ordained in the Reformed Church in America and a native of Holland, MI, Matt graduated Phi Beta Kappa from Hope College, and holds Master of Divinity and Doctorate of Ministry degrees from Western Theological Seminary. On a denominational level, he was a member of the Commission on Race & Ethnicity and served on the search committee for the RCA’s new General Secretary, who was installed in the summer of 2018. Dr. Waterstone is also an accomplished athlete, having qualified for the Boston Marathon and completed an Ironman race. He has been married to his wife Sarah for 11 years, and they have two young sons, Willem and Bram.

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The Reverend Jonah Smith-Bartlett

Youth and Family Minister, ext. 124

Jonah joined RCB's staff in September 2014 after serving for five years as children and youth pastor at a Congregational church in New Canaan, CT. At The Reformed Church, he oversees the youth program for fifth- through 12th-graders and nurtures the spiritual development of parents. The son of a pastor, Jonah earned his BA in English from Lynchburg College, a Master of Arts and Theological Studies from Union Presbyterian Seminary (Richmond, VA), and an M.Div. from Yale Divinity School, where he won the William Sloane Coffin Scholarship Award and preaching award. Jonah has been a guest lecturer in homiletics at Yale Divinity School and is a current Fellow at Andover Newton Theological School.  His gospel commentaries have been featured in the Feasting on the Gospels series published by Westminster John Knox Press.  Jonah also has over a dozen works of short fiction and non-fiction published in a wide range of literary journals and magazines. He was ordained in the American Baptist Churches in 2009. His wife, The Reverend Elizabeth Smith-Bartlett, is Associate Minister at Larchmont Avenue Church.

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The Reverend Samuel T. Clover

Associate Minister and Communications Director, ext. 134

Ordained as a Minister of Word and Sacrament in the Reformed Church in America in April 2014, Sam joined RCB’s staff the previous year after graduating from Union Theological Seminary (M.Div.). His call to ministry came after working for more than 10 years as an arts and culture journalist at a number of small magazines and newspapers in NYC. A graduate of Lafayette College (B.A., English and History), Sam also holds an MFA in creative nonfiction writing from The New School, and earned a diploma in spiritual direction from San Francisco Theological Seminary. An avid singer (and sometime trombonist), Sam has sung with a variety of choirs, including Marble Collegiate Church’s Festival of Voices and gospel choirs, which performed at Carnegie Hall, Avery Fisher Hall, Town Hall, and Harlem’s Apollo Theater, among other venues. At RCB, Sam oversees all communications initiatives, helps create and participates in all worship services and provides pastoral care. He is a board member of Room for All, a network of church members, clergy and congregations in the Reformed Church in America engaged in a cooperative effort to support and affirm LGBTQ people in all aspects of congregational and denominational ministries. Sam married his wife Jen in 2019, and they share three cats.

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Dr. Dawn Ravella, LMSW, D.Min.

Mission and Outreach Director, ext. 114

A licensed social worker who has been dedicated to ministry for more than 25 years, Dawn joined RCB’s staff in 2008. Since then, she has overseen all of RCB’s mission and advocacy efforts, ranging from youth trips and panels on social justice issues to the design and development of Coming Home, RCB’s prison re-entry program, which is being replicated at several churches in partnership with Fordham University’s Beck Institute for Religion and Poverty. A graduate of Mount Saint Mary’s College (B.A.) and Fordham University (MSW), Dawn earned her Doctorate of Ministry degree at New York Theological Seminary in 2013, and received NYTS’s Excellence in Ministry Award. She has also worked as a psychotherapist, integrating hypnotherapy, aromatherapy and spirituality. Among Dawn’s favorite accomplishments are the founding of a public policy education network that mobilized Catholics on Long Island to become a moral voice in the public arena; establishing two NYC homeless shelters; co-organizing the East Side Congregations for Housing Justice in Manhattan, which organizes religious leaders in NYC to dialogue with elected officials to end homelessness; and creating a partnership of church leaders in NYC and Zimbabwe. Her other interests include travel, hiking and music—especially the “positive message” music of her husband Glen Roethel.

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Alexis Mastromarino

Director of Christian Education, ext. 118

Alexis has been a part of the RCB staff for over 17 years. She received her BA in Communication Arts from Manhattan College in Riverdale and her MA in Religion and Religious Education from Fordham University in the Bronx. Alexis is certified in Parenting Leadership from the Education for Parenting, Family Life, Respect Life Office of the Archdiocese of New York. Alexis enjoys reading, writing, dance exercise, gatherings with family and friends, and doing just about anything with her grown children, Erica and Eddie and their new spouses, John and Kris. 

 At RCB, Alexis oversees the Church School, including shepherding the teachers; keeping parents informed; and planning and coordinating special Church School events. Alexis is part of the Nursery School Chapel on Thursdays, plans and schedules the Sunday Adult Education series, coordinates the lay volunteers for Christian Education, and facilitates the Lectio Divina group on Friday mornings. Alexis tries to listen to the needs of the congregation from a Christian Ed perspective and schedules speakers, retreats, and groups throughout the program year to meet those needs. 

Alexis has been practicing yoga for 12 years (on and off) and Centering Prayer for about 10 years.  Each day she works on being still, staying centered, and moving peacefully.

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Judith McCandless

Member Engagement Coordinator

Judi McCandless joined The Reformed Church in 1993, and came on staff in January 2015. In her current position, Judi facilitates church membership by following up with visitors and those who have expressed interest in RCB, and supporting new members as they become better acquainted with the church's programs. Judi also reaches out to current members to encourage participation in church ministries and volunteer opportunities, works with staff to create opportunities that reflect members' interests, and encourages the development of programs that support and train volunteer leaders. Judi strives to be a visible presence to answer questions and encourage new connections. Over the course of her membership she has served as Deacon, Elder, Chair of the Pastoral and Congregational Care Council, Consistory Nominating Committee Chair, confirmand mentor, adult education speaker, and prison ministry volunteer. She has also worked with previous the senior minister search committees, strategic planning sub-committee and the accessibility committee, which advocated for the construction of the church elevator. Outside of the church, Judi has served as a Board member of the Community Fund of Bronxville, Eastchester and Tuckahoe, and loves playing tennis, reading, and as a Colorado native enjoys hiking and the outdoors. She lives in Eastchester with her husband, Tom, and daughter, Kathleen, who along with her older brother, Brad, grew up in our church, which continues to be a special place for them, too.

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Lee J. Corbett

Handbell Director, ext. 128

Lee joined The Reformed Church in 1972. In 1986 she became the director of the newly formed Concert Ringers, and a year later took over the existing Youth Bell Choirs. She currently directs all six handbell choirs at the church. Lee also has an active piano studio and is celebrating 54 years as a piano teacher. Aside from music, she likes to play tennis, travel, read and do wooden jigsaw puzzles.

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Jenny Ribeiro

Children’s Choir Director, ext. 127

Jenny Ribeiro became Children’s Choir Director in 2017 but began singing in The Chancel Choir as a section leader in 2012. She has been involved in choirs and choir leadership for many years, and even grew up as a music pastor’s kid! She enjoys the producing/directing side of music as well, having run a successful new music production company in New York City and serving as a music director, teacher, pianist and vocal coach for various organizations. As a singer, Jenny has championed the work of living composers. She has been the recipient of two Vox Novus 15-Minutes-of-Fame commission cycles, in which she was able to perform pieces written expressly for her by composers all over the globe. She also recorded Matt Frey's chamber opera One-Eleven Heavy for an EP album which will be released in 2019. She has performed in operas, theater productions and concerts in venues all over the United States. Jenny makes her home in Westchester County with her husband and two children.

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Margaret Murtagh

Director, Reformed Church Nursery School, 914-337-6332, ext. 143

The Director of the Reformed Church Nursery School since 2003, Margaret brings over 20 years of experience as an early childhood educator to her current role. Prior to her appointment as Director, she taught pre-K and jr. K at RCNS for two years. Margaret received her B.A. in philosophy from Fordham College and her Juris Doctor degree from the Fordham University School of Law. As Director, she has expanded programming while building on the school’s six-decade tradition of caring and excellence. Recently, she spearheaded a new school security project that was completed this year with the generous donations from the RCNS families.  In addition to her dedication to the families of RCNS, Margaret is a board member of the Counseling Center, where she recently helped institute a special speaker series on mental health issues in the community. Margaret also enjoys volunteering at the church where she participates in the church school Sunday chancel talks, Thursday RCNS chapels and as a member of the Gathering Band.  Margaret lives in Yonkers with her husband John and has two grown children: John, a USMC reserve officer, and Jim, a Junior at Fordham College. Margaret enjoys reading, needlepointing, knitting and crocheting in her spare time.

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Alan Zanzano
Chief Operating Officer, ext. 117






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Joe DeBisceglie, ext. 155






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Janice Sachtjen
Executive Administrator, ext. 132






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Louanne Mitchell, ext. 153






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Carla Savage, ext. 116






Housekeeping and maintenance

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Pedro Santana, Sexton, ext. 125







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Marilyn DeCamilo






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Onel Pierre






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Leudy Santana







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Chris Toro

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