Clergy

Fr. Zac accepted the call to be the Rector of St. Mark’s in July 2018. He was previously the Associate Rector at St. Richard’s in Round Rock. He attended Wheaton College and Duke Divinity School. Zac was born in Indiana, grew up in Arkansas, and is still surprised that he’s ended up in Texas—and still more that he loves it. On a day off, Zac likes to ride his bike. He’s a passionate supporter of Duke basketball, Arsenal Football Club, and tacos. He’s married to Anna, who works in global health. They have two kids, Laurie and Sylvie, plus two crazy dogs, Watson and Hugo. Contact Fr. Zac at zac at stmarksaustin.org.
Read some writing by Fr. Zac here.

Rev. Zoe joined St. Mark's as a curate in July of 2024. Zoe grew up just 30 miles up the road in Georgetown, graduated from Southwestern University, and then spent five years working in marketing before discerning a call to ministry and attending seminary at Duke Divinity School. While at Duke, Zoe became particularly interested in liturgical studies and theologies of suffering. You can usually find Zoe cooking and baking, taking long, lazy walks while listening to podcasts, going to shows, reading, eating queso anywhere it can be found, or needlepointing in a patch of sun. Contact Mother Zoe at zoe at stmarksaustin.org.

The Rev. Dr. Nathan G. Jennings is a native of Austin. He returned to his hometown when he joined the faculty of Seminary of the Southwest in 2005, where he currently serves as the J. Milton Richardson Associate Professor of Liturgics and Anglican Studies and Director of Community Worship. He serves St. Mark’s as Theologian-in-Residence. He’s written two books, Theology as Ascetic Act: Disciplining Christian Discourse (2010) and Liturgy and Theology, Economy and Reality (2017). BA, The University of Texas at Austin, MDiv, Yale Divinity School, MA and PhD, The University of Virginia.

Staff

I'm Angela Mattei, originally from Arizona, but currently making my home in Buda, Texas along with my husband, Mario, and three teen children and our two dogs. I'm currently in the MDiv program at Seminary of the Southwest, I have a B.A. in Psychology from TXST and am a certified spiritual director through Truett Seminary. I love holding space for group contemplative practices and reflection and for fun I try to get away quarterly to either camp solo or with my family!

Caleb joined St. Mark’s staff in June of 2025. He has ministry responsibility over all things Youth (6th – 12th grade) and all things Communications & Media.
Caleb was born and raised in Texas. He earned his B.A. from The University of Texas at Austin and spent several years on staff at the Episcopal Student Center on the UT campus. He also holds an M.F.A. in Creative Writing (poetry) from the University of Wisconsin–Madison, and he was an inaugural member of The Community at the Crossing in New York City. His hobbies include bouldering, music, photography, and board games.
You can reach him at caleb at stmarksaustin.org

Wylie is a newcomer to Austin, having moved here in 2023 when her husband, Grant, began his law studies at UT. A graduate of Baylor University (2013) and Duke Divinity School (2016), Wylie most recently lived in Kerrville, TX, where she worked for the H.E. Butt Foundation. Wylie enjoys spending her weekends outdoors with Grant and their son Andy, sewing, and sharing meals with friends. Contact Wylie at office at stmarksaustin.org

Kelly brings over 20 years of experience to the St. Mark's Church and Day School community. Following her eldest daughter's enrollment in the day school, Kelly became a board member and finance manager for the school and later for the church. Kelly graduated from Cal State Fullerton and has worked as a bank manager and controller for a longstanding family-owned Austin company. Kelly's family has deep roots at St. Mark's, which reflects her strong connection and dedication to its continued success. Contact Kelly at finance at stmarksaustin.org

Mark Reed leads the Adult Choir and Children’s Choristers, plays the organ and piano for services, plans the hymns and choral music, and produces the weekly service bulletins.
Mark holds a Bachelor's degree in Music Theory from Stetson University and a Master of Music degree in Organ from The Jacobs School of Music at Indiana University, Bloomington. He also completed doctoral coursework in Organ, Sacred Music, and Music Theory at IU, where he had the privilege of serving as Dr. Marilyn Keiser’s assistant at Trinity Episcopal Church. Mark grew up in the Tampa Bay area of Florida, and he has served Episcopal, Methodist, and Baptist churches in Florida, Indiana, and Pennsylvania. In 2010, he moved to Austin to be closer to his Texas-native husband’s family. Mark strives to create a welcoming and inclusive Music Ministry and would love to connect with anyone interested in getting involved. Feel free to reach out to Mark at mark at stmarksaustin.org

Originally from Fort Worth, Mason Asberry is a student at Texas State University, where he pursues a degree in Music Education (Choral Studies) and Classical Voice Performance under the guidance of Myra Vassian. Since 2023, he has served St. Mark’s as an Adult Choir Section Leader and as an assistant with the Choristers Children’s Choir.
Now serving as our Assistant Choir Director, Mason helps to lead rehearsals, and plan repertoire, organize the music library, and provide administrative support. Through his choral conducting, vocal leadership, collaborative musicianship, and attention to detail he keeps our Music Ministry going strong. Contact Mason at music.assistant at stmarksaustin.org

Jon Guerra is a singer-songwriter & producer who creates Devotional Music — less Sunday morning worship music, and more Monday morning prayer music. Jon's debut Devotional Music album was Keeper of Days (2020), followed by Ordinary Ways (2023), and most recently Jesus (2025). Jon has also composed music for film (Terrence Malick's "A Hidden Life," 2019). Jon collaborates with a wide variety of artists, tours regularly, is building a community around Devotional Music, and resides in Austin, TX. At St. Mark’s, he is hosting a series of nine experimental nights called Beauty As Well As Bread.

Casey and Sarah have been a part of the St. Mark's community since 2019. In 2022, they discerned a call to become missional residents at Community First! Village, an east Austin tiny home community designed for the chronically homeless. Living at the Village with their three daughters, they seek to embody the love of Christ by offering friendship and hospitality to their neighbors. Casey and Sarah would love to host you for lunch or coffee and show you around the Village! You can contact them at casey at stmarksaustin.org.

Casey served as St. Mark’s Youth & Family Minister from 2019 to 2022, when he and his wife Sarah discerned a call to become missional residents at Community First! Village. Casey grew up in a small town in west Texas, graduated from high school in the Dallas-Fort Worth area and—before coming to Texas—was involved in diverse Christian ministries in Illinois and Connecticut. He and Sarah have three daughters, Hattie, Grace, and Charlotte. Casey has received degrees from Ouachita Baptist University (B.A.) and Trinity Evangelical Divinity School (M.Div.)