FACULTY

Mr. Jourdain Renteria
Mr. Renteria serves as principal of The Good Shepherd Academy. He has taught 7th and 8th grade in the four-day school and 3rd through 5th grade in the Homeschool Academy. He currently teaches medieval history to the high school students. He is a 2016 graduate of Texas A&M University and has been a Catholic secondary school teacher since graduating from Texas A&M. His love for the Catholic faith motivates his teaching. He attends Sunday Mass at St. Therese in Alhambra and San Secondo d’Asti in Ontario. The Scripture verse that Mr. Renteria cites as his favorite is:
“Let God arise, and let his enemies be scattered: and let them that hate him flee from before his face.” (Psalms 67:2)

Mrs. Rocio Arambula
Mrs. Arambula teaches 1st grade. She holds an A.A. in Child Development from East Los Angeles Community College and is working toward a B.A. in child development from National University. She has over 15 years of experience in pre-school education and supervision. Mrs. Arambula is bi-lingual in English and Spanish. She is a parishioner at St. Therese in Alhambra.
Miss Marina Macias
Miss Macias teaches 2nd grade. She has a deep love for glorifying God through song and attends St. Peter Chanel in Hawaiian Gardens.
Mrs. Patricia Camberos
Mrs. Camberos' love for the Catholic faith led her to The Good Shepherd Academy. She teaches a 3rd and 4th grade combination class.

Miss Valerie Velasco
Miss Velasco is the homeroom teacher for the 5th and 6th grade combination class. She also teaches high school biology and chemistry for both the four day academy and the homeschool academy. She graduated in 2019 from the University of California, Riverside, with a B.S. in Biochemistry.

Mr. John David Stendahl
Mr. Stendahl is the homeroom teacher for the 7th and 8th grade combined class. He also teaches math and Latin for the 5th & 6th grade class and logic for the high school class. He is a 2020 graduate of the University of Redlands and previously taught at Regina Caeli in Santa Clarita. He is a parishioner at San Secondo D’Asti.

Mr. Matthew Geier
Mr. Geier serves as the humanities instructor in the middle school and high school. He is also the Director of both Sacred Music and the Scola. He was a Music Composition major at California State University Fullerton, where he attended from 2013 to 2017. He is a member of the Wessex Consort, which is a professional ensemble that plays music of the Medieval and Renaissance eras in period-accurate style and attire. He has broad experience in musical ensembles, choirs and theater.

Mrs. Debra Barone
Mrs. Barone teaches algebra I and algebra II for the four day academy and algebra II for the homeschool academy. She has over 20 years of experience in teaching high school math and science. She has taught math and science at the high school level in both the public schools and Catholic schools. Mrs. Barone is a parishioner at San Secondo d’Asti, where she sings in the choir.

Sister Francis Mary, MMC
Sister Francis Mary teaches Latin and theology for the upper grade students. She has been a member of the Sisters of Mary, Mother of the Church since 1970. She earned a Liberal Arts degree from Mount Saint Mary’s College (now University) in Los Angeles and has a multi-subject California Teaching Credential. Sister has taught in Archdiocesan and Catholic independent classical schools since 1973, primarily in grades 6, 7 and 8 (Theology, Latin, Science, Math) and Sacred Scripture to high school students.

Miss Mary Grace Deasis
Miss Deasis teaches the 3rd - 5th grade homeschool academy class. She is a 2020 graduate of California State University San Bernardino, where she received a B.A. in Liberal Studies (Psychology concentration). She is a catechist at San Secondo d’Asti Catholic Church and also serves in the choir.
Mr. Diego Ruiz
Mr. Ruiz teaches science and geology to the 5th and 6th grades for the homeschool academy. He also teaches history and science in the homeschool academy for the middle school class. He attends St. Joseph in Pomona where he has served as a catechist for the high school students.

Mr. Daniel Mansueto
Mr. Mansueto teaches high school United States history for the homeschool academy. He has a B.A. in European History (major) and Romance Languages (minor) from the University of Chicago and a J.D. from UCLA Law School. He has served on the Life Commission of the Archdiocese of Los Angeles and is a parishioner at St. Vitus in San Fernando.