Minister and Staff

Rev. Marta Valentín, Minister

Rev. Marta most recently worked for the UUA’s New England Region specializing in ministerial transitions. Prior to that, Rev. Marta served for 7 years as minister for First Church Unitarian in Littleton, MA. Her first settled ministry was at the First Unitarian Universalist Church in New Orleans where she arrived two weeks before Hurricane Katrina. She has also served as interim minister for the Unitarian Universalist Church of Arlington, VA, and at the UUA’s former staff group, Identity-based Ministries. She believes in shared ministry and views her ministry as helping her congregants find theirs.

Rev. Marta has served on various UUA and UU Minister’s Association committees, including the continuing education committee. She is a founding member of the regional anti-racism/anti-oppression/multicultural group GRACE: Growing Racial and Cultural Equity.

Rev. Marta lives in Ayer with her wife and their daughter. She was born in Spanish Harlem, NYC, and identifies as a Nuyorican – a Puerto Rican New Yorker. She is a poet, and her prayers and poems have been published by Skinner House Books in her meditation manual, A Long Time Blooming. Her works have also been published in a number of other books, including Lifting Our Voices and Becoming: A Spiritual Guide For Navigating Adulthood. She has also worked as a music producer for WGBH Radio and as a high school teacher.  She is a very good salsa dancer, and often turns to salsa music when she is stuck with a sermon.

Rev. Marta can be contacted at

Rev. Marta is in the office on Mondays. Typically she works later on the first and second Monday because she attends the Worship and Board meetings on those nights, respectively. For any of the other Mondays she can stay later if an appointment is made for such a purpose. She also will come in later on the Mondays that she has night meetings. But generally, she is in around 9:30-10:00 am. She can, however, arrange to meet with anyone after any service she is leading, the schedule of which you can find on our calendar.

Vivian Montgomery, Music Director

Vivian received her Masters in Early Keyboards from the University of Michigan and DMA in Early Music from Case Western Reserve University. She has been widely heard in performances, been a Fulbright Research Scholar in England, and worked as a conductor directing opera, orchestra, and choirs across the country. She is a Resident Scholar at Brandeis University.
From 2003 through 2012, Vivian was Director of Music at First Parish Unitarian Universalist in Needham and she is the keyboardist for Temple Shir Tikva in Wayland, where she and her clarinetist son Ezra lead the Shabbat Klezmer band, Shir Chutzpa.
Vivian has been Director of Music at the Unitarian Universalist Church of Medford since Fall of 2013. While leading the choir in a great diversity of repertoire, and working with solo singers and instrumentalists in the congregation, she also finds exciting ways to weave in guest musicians, as well as considerable congregational interaction. She deeply enjoys the challenge of finding the balance between creative musical quality and strong messages in services, especially in close collaboration with ministry and other worship leaders.

Vivian can be contacted at

Mimi Olivier, Director of Religious Education
Mimi, our Director of Religious Education, was raised in the UU church, and has a long history of working with children and youth, in both therapeutic settings and as an after school care provider.  In addition, she has a strong commitment to social justice, and is a longtime member of the Medford community.

Mimi can be contacted at

Fred Humphrey, Sexton
Fred has been our church sexton for fourteen years.

Brenda Bonetti, Office Administrator
Brenda is our office administrator, handling correspondence, payroll, creating orders of service, and more.

Brenda can be contacted at