Faculty and Staff
Harrison Brehm
Headmaster
Harrison Brehm is a native of New Orleans, Louisiana. He graduated from Christendom College with a B.A. in history and the American College of Education with a M.Ed. in Educational Leadership. He has dedicated twenty years to Catholic education in both the elementary and high school levels. He has taught all manner of subjects, including religion, psychology, and history, as well as English and math for standardized test preparation. He has served as a department chair and administrator at St. Mary's High School, and as principal of St. Luke Catholic Elementary School, both in Stockton. In his spare time, he enjoys reading and discussing literature, playing games and puzzles, and exploring more of the beauty and history of California all with his wife and four children.
Julie Nguyen
Development Director
Julie Nguyen was raised in Long Beach, California. She graduated from the University of California, Irvine with a B.A in Social Ecology and holds a Master of Arts degree in Education from National University. Mrs. Nguyen has dedicated 13 years to Catholic education. She has taught at various elementary levels and Junior High Math and Science within the Archdiocese of Los Angeles and Diocese of Sacramento. She has also served as school principal at St. Patrick Academy, Sacramento. She is passionate about Catholic Education and works to expand the reach of the school’s mission through fostering support for its programs, sharing its story, and inspiring engagement in the life and growth of Chesterton Academy. Outside of work, she enjoys camping in the mountains, exploring nature with her husband and their dogs, and traveling to Vietnam to connect with her family’s roots.
Sarah Holowecky
School Administrator/Office Manager
Sarah Holowecky earned a BS in Biology from the University of San Francisco, as well as a certificate from the St. Ignatius Institute’s Great Books Program. She taught junior high at Holy Spirit School, and has several years of administrative assistant experience. Keith and Sarah have been married for sixteen years and have five children. Catholic education, and its role in forming future saints, is an important part of their vocation as a family. She is a founding board member and an active parishioner at Presentation Church.
Sr. Julieta Del Carpio
Theology
Sister Julieta Del Carpio grew up in Lima, Peru. She has an undergraduate degree in Theology and is currently studying for a Master’s degree in Family and Matrimony. She joined Pro Ecclesia Sancta (PES) in 2004. After her initial formation, she served in various ministries in Peru and the United States, including First Communion preparation, Faith Formation, Confirmation programs, retreats and missionary work. She also led small groups in the Catholic Advance Movement, the lay Movement of PES. In 2025, Sr. Julieta was assigned to serve in the Diocese of Sacramento, California, where she taught freshman theology at Chesterton Academy in Dixon. This year she was assigned to teach freshman theology at Chesterton Academy of Sacramento. She's looking forward to meeting the community at CAS!
Cristian De Trinidad
Theology
Dr. Arthur de Lorimier
Biology
Dr. de Lorimier graduated from Santa Clara University in 1986 with a BA in History and then from Loyola University of Chicago in 1991 with an MD. His entire medical career has been dedicated to training medical students and physicians. This included 24 years in the Army achieving the rank of Colonel and more recently as a clinical professor of pediatrics at UC Davis. As a pediatrician he has seen a need to train younger minds and as such he and his wife Cathy have become strong supporters of the Catholic Liberal Education model provided by Chesterton. While he continues as a part time clinician educator at UCD, he feels honored to join the Chesterton team in 2025. In our local Catholic community, he participates in adult faith formation at both Holy Spirit and St. George Melkite Catholic parishes. Outside of teaching he finds great joy in his time with his wife, children and grandchildren as well as in reading philosophy and theology, riding his bike, and playing the guitar.
David Rosas
Math and Science
Paul Swagerty
Math and Philosophy
Mr. Paul Swagerty, O.P. has agreed to take on Algebra I & II and Junior Philosophy classes. Mr. Swagerty graduated from California State University, Sacramento with a Bachelor's in Computer Science and from Divine Mercy University with a Master of Science in Psychology, studying Psychology, Philosophy, and Theology. He spent over 20 years in the technology industry and successfully lead the youth group at St Joseph’s Church in Lincoln for 5 years. He made his life-profession as a lay Dominican in March of 2026.
Patrick Murray
Literature, Philosophy, Theology, Music, Choir
Mr. Patrick Murray graduated from CSU Sacramento in 2019, with a degree in Music Education. In 2020 he obtained a teaching credential and has taught band, choir, and piano for three years in a public middle school. Mr. Murray was a member of the Schola Cantorum at Sacred Heart Church, and has sung intermittently with St. Mary's Cathedral in San Francisco. He currently sings and plays trumpet in a successful jazz band.
Jack DeLeon
Literature
Jack DeLeon holds a Master’s degree in Creative Writing from CSU, Sacramento. He has taught English at Junior, State, and Private colleges in California. An enthusiast of Gothic Literature (which he dedicates ample time both to reading and writing), his other passions beyond teaching include collecting antiques, organizing his dusty bookshelves, and immersing himself in God’s gift of nature. An award-winning short story writer, he is presently at work on three different novel-length projects (he has vowed to finish one before beginning another). Dear to him are his wife, Paige, his Labrador Retriever, Henry, and his family.
Greta Munsill
Literature, History
Greta Munsill received her AB from Stanford University, where she completed coursework in the liberal arts as part of Stanford’s then-required core curriculum in Western Civilization. She received her JD from the University of Pacific, McGeorge School of Law. After practicing law for a few years, her life’s work shifted from law to education. For 28 years, she homeschooled her 9 children, using mainly a classical education approach. For 15 years of that time, she led a monthly discussion group for high school students, which included great books, essays, plays, epic poems, the U.S. Constitution, and important U.S. Supreme Court decisions. She also taught CCD for many years and a class in Rhetoric and Debate.
Mrs. Munsill wears many hats. For over 16 years, she has arranged altar flowers for her parish. When not reading, she enjoys tending vegetables and chasing chickens on her urban farm. Most of all, she treasures the many adventures, museum trips, crafts and books that she shares with her grandchildren (10 at last count).
Bridget Stoutz
Humanities
Bridget Stoutz was raised in Steubenville, Ohio. After six months of nannying in France, she earned her B.A. in Liberal Arts from Thomas Aquinas College in Massachusetts, where she was a co-founder and instructor of a ballroom dance club. She makes time for stitchery, hikes, and sacred music.
Teresa Eggers
Drama, Social Dance
Mrs. Teresa Eggers is an actor, director, singer, and performing arts teacher in the Sacramento area. She holds Bachelor degrees in Music and Theatre Arts, both from Benedictine College. She holds a professional conservatory certificate from the Los Angeles branch of Stella Adler Conservatory.
While living in the Los Angeles area, Mrs. Eggers developed a passion for social dancing. She used her background in ballet, jazz, tap, and musical theatre to learn several styles of swing at some of the world-famous swing dances and conventions in the area.
She and her husband, John, have been married for six years and have two children.
Rachel Pineda
Art
Natalie Luera
Spanish
Manuel Jaime, Jr.
Latin, Ancient History
Mr. Jaime graduated from Palma High School in Salinas, California and then from Santa Clara University with a BA in Classics. He has a teaching credential in Latin, Spanish, Social Studies, and English. Before coming to Chesterton, he taught Latin and World History at Orion Academy in Concord, California where he worked since 2010.Mr. Jaime enjoys traveling (he has been to Italy four times), reading history, and learning languages.