Staff
| Administration | Position | |
| Mrs. Erica Adams | Vice President of Advancement | Send E-Mail |
| Ms. Frances Clare | Principal | Send E-Mail |
| Mrs. Bernadine Fraser | Executive Assistant to the President/Be A Hero Be A Donor Club Moderator | Send E-Mail |
| Mr. Kevin Hickman | Assistant Principal/Student Services | Send E-Mail |
| Mrs. Charisse Kitsinis | Assistant Principal/Personnel and Faculty Services | Send E-Mail |
| Mr. Patrick Murphy | President | Send E-Mail |
| Mr. David Taylor | Vice President of Business Services | Send E-Mail |
| Dr. Anne Welsh-Treglia | Assistant Principal/Academic Services | Send E-Mail |
| Mrs. Griselda Zamora | Executive Assistant to the Principal/Office Coordinator | Send E-Mail |
| Admissions | Position | |
| New Admissions Inquiries/Online Support | N/A | N/A |
| Mrs. Lisa Rosales | Administrative Assistant/Academic Services | Send E-Mail |
| Advancement | Position | |
| Mrs. Erica Adams | Vice President of Advancement | Send E-Mail |
| Mrs. Allison Bergeron '96 | Dir. of Planned Giving & Admissions Marketing | Send E-Mail |
| Ms. Pamela Coe | Director of Grants & Media Relations | Send E-Mail |
| Ms. Marissa Colon | Director of Special Events & Publications | Send E-Mail |
| Mrs. Melinda Craft | Administrative Assistant/Advancement and Alumni | Send E-Mail |
| Miss Kathleen Kelly '94 | Director of Alumni Relations | Send E-Mail |
| Mr. Bruce Rollinson '67 | Special Assistant to the President/HC Football | Send E-Mail |
| Armona Guidance & Counseling Center | Position | |
| Ms. Jennifer Aceves | Counselor (10-12th: N-R, 9th: Leg-Sans) | Send E-Mail |
| Mrs. Kellie Bauer | Director of Guidance & Counseling (10-12th: E-G, 9th: Cal-G) | Send E-Mail |
| Ms. Myra Castro | College and Career Center Counselor/Hockey Club Moderator | Send E-Mail |
| Mr. Anjel Gutierrez '01 | Counselor (10-12th: A-D, 9th: A-Cak) | Send E-Mail |
| Ms. Mary McElroy | Counselor (10-12th: S-Z, 9th: Sant-Z) | Send E-Mail |
| Ms. Vanessa Peña | Department Secretary/Guidance & Counseling | Send E-Mail |
| Ms. Joy Ringo | Counselor (10-12th: H-M, 9th : H-Lef) | Send E-Mail |
| Attendance/Dean's Office | Position | |
| Ms. Stacy Brooks | Lunch Monitor | N/A |
| Mrs. Maria Corona '04 | Dept. Secretary/Deans & Attendance (GIRLS) | Send E-Mail |
| Mrs. Oyuki Covarrubias | Lunch Monitor | N/A |
| Margaret Hatton | Lunch Monitor | Send E-Mail |
| Ms. Kathleen Immel | Dean of Students: (GIRLS)/Social Studies Teacher | Send E-Mail |
| Ms. Hala Labib Soliman | Lunch Monitor | N/A |
| Ms. Sonia Maldonado | Lunch Monitor | N/A |
| Mrs. Kristine Marquez | Lunch Monitor | N/A |
| Mr. Timothy O'Hara '78 | Dean of Students: (BOYS)/Varsity Asst. Football Coach | Send E-Mail |
| Mrs. Tana Walsh '60 | Dept. Secretary/Attendance & Deans (BOYS) | Send E-Mail |
| Ms. Barbara Zamora | Dept. Secretary/Deans Office | Send E-Mail |
| Business Office | Position | |
| Mrs. Donna Cannon | Accounts Payable/Custodial | Send E-Mail |
| Mrs. Janet Cruz | Tuition Receivables Clerk | Send E-Mail |
| Mrs. Sandra Lyons | Administrative Assistant/Business Services | Send E-Mail |
| Mrs. Kathy Murray | Director of Finance | Send E-Mail |
| Mrs. Lynn Nguyen | Senior Accountant/Asian American Club Moderator | Send E-Mail |
| Ms. Allison Spencer | Dept. Secretary/Business Services | Send E-Mail |
| Mr. David Taylor | Vice President of Business Services | Send E-Mail |
| Campus Ministry | Position | |
| Mrs. Kendra Hart | Assoc. Dir. CM/Retreats/Sophomore Class Moderator | Send E-Mail |
| Mrs. Stephanie Hopkins | Christian Service Director | Send E-Mail |
| Mrs. Jennifer Hornbuckle '03 | Dept.Secretary/Campus Ministry/Jr. Class Moderator | Send E-Mail |
| Ms. Helen Steves | Director Of Campus Ministry | Send E-Mail |
| Mr. Steven Viau | Religious Studies Teacher/Rock Musicians Club Moderator | Send E-Mail |
| Computer Services | Position | |
| Ms. Reena Burt | Educational Technology Technician | Send E-Mail |
| Mr. Jacob Henderson | Director of Computer Services | Send E-Mail |
| Facilities | Position | |
| Mr. Jesus Alcantara | Facilities Tech II | N/A |
| Mr. Jose Luis Anaya | Facilities Tech II | N/A |
| Mr. Luis Banda | Assistant Facilities Director | Send E-Mail |
| Ms. Julie Barnett | Facilities Coordinator | Send E-Mail |
| Mr. Victor Bautista | Facilities Tech I | N/A |
| Mr. Jesus Lopez | Facilities Tech I | N/A |
| Mr. Eduardo Ortega | Facilities Tech II | N/A |
| Mr. Stephen Ritter | Director of Facilities | Send E-Mail |
| Library | Position | |
| Mrs. Chetna Desai | Library Technician | Send E-Mail |
| Ms. Nancy Ryan | Librarian | Send E-Mail |
| Personnel/Faculty Services | Position | |
| Mrs. Charisse Kitsinis | Assistant Principal/Personnel and Faculty Services | Send E-Mail |
| Ms. Emilia Ramirez | Administrative Assistant/Personnel & Faculty Services | Send E-Mail |
| Ms. Kandia Triantos | Fingerprinting Technician/Safe Environment Coord. | Send E-Mail |
| Registrar's Office | Position | |
| Mrs. Kathleen Steinbaugh | Registrar | Send E-Mail |
| Security | Position | |
| Mr. John Denny | Director of Security | Send E-Mail |
| Mr. Daniel Worrell | Assistant Director of Security | Send E-Mail |
| Student Services | Position | |
| Mr. Kevin Hickman | Assistant Principal/Student Services | Send E-Mail |
| Mrs. Linda Paliska | Health Services Officer/Red Cross Club Moderator | Send E-Mail |
| Mrs. Victoria Slate | Administrative Assistant/Student Services | Send E-Mail |
| Summer School | Position | |
| Mrs. Roza Mansouri | Dept. Chair Social Studies/MUN Moderator | Send E-Mail |
| Mr. Sean Smith | Dept. Chair/Math/Sailing Club Moderator | Send E-Mail |
| The Muth Family Learning Center | Position | |
| Mrs. Jo-Ann Healy-McCune | Learning Center Teacher | Send E-Mail |
| Ms. Marilyn Wilson | Director of the Learning Center | Send E-Mail |
| Sailing Club | Position | |
| Katie Tinder | Head Coach Sailing | Send E-Mail |
| ASB & Student Activities | Position | |
| Mrs. Susan Duffy | Dept. Secretary/Activities | Send E-Mail |
| Mrs. Margery Fischer | Religious Studies Teacher/Senior Class Moderator | Send E-Mail |
| Ms. Colleen Hall | Religious Studies Teacher/Freshmen Class Moderator | Send E-Mail |
| Mrs. Kendra Hart | Assoc. Dir. CM/Retreats/Sophomore Class Moderator | Send E-Mail |
| Mrs. Jennifer Hornbuckle '03 | Dept.Secretary/Campus Ministry/Jr. Class Moderator | Send E-Mail |
| Mrs. Diana Neustadt | Director of Student Activities | Send E-Mail |
| Athletics | Position | |
| Mr. Chris Abeyta '80 | Athletic Equipment Manager | Send E-Mail |
| Mr. Philip Bellomo | Director Of Athletics/Athletic Venue Management | Send E-Mail |
| Ms. Cressita Bowman | Science Teacher/HC Girls' Lacrosse | Send E-Mail |
| Mr. Dana Bozeman | HC Varsity Boys' Tennis | Send E-Mail |
| Mr. Burt Call | Science Teacher/Head Coach Baseball | Send E-Mail |
| Coach Michael Collins | Head Boys & Girls Swim Coach | Send E-Mail |
| Mr. Adam Cutrell | Heach Coach Varsity Volleyball - Girls' & Boys | Send E-Mail |
| Ms. Christine Dahle | Assistant Athletic Trainer | Send E-Mail |
| Mr. Jeffrey Diulio '01 | Social Studies Teacher/Frosh. Asst. Football Coach | Send E-Mail |
| Ms. Michelle Elkerton | English Teacher/JV Coach Girls' H2O/Asst. Swim Coach | Send E-Mail |
| Mr. Mike Fernandez | Athletic Trainer | Send E-Mail |
| Mr. Sean Ganey | Head Coach/Boys Soccer | N/A |
| Mr. Matt Goto | Math Teacher/HC Boys' Lacrosse | Send E-Mail |
| Mr. Robert Ickes | Math Teacher/Asst. Baseball Coach | Send E-Mail |
| Ms. Melissa Jacobson | English/Theater Arts Teacher/CC, Track & Field Coach | Send E-Mail |
| Mr. Kevin Kiernan | English Teacher/HC Girls' Basketball | Send E-Mail |
| Mr. Ollie Martin | Social Studies Teacher/HC Boys' & Girls' Golf | Send E-Mail |
| Mr. Rick Martinez '83 | Science Teacher/HC Track & Field/HC Cross Country | Send E-Mail |
| Mr. Gary McKnight | Dept. Chair Physical Education/HC Boys Basketball | Send E-Mail |
| Mrs. Jill Merriweather | Dept. Secretary/Athletics | Send E-Mail |
| Mr. David Money | PE Teacher/Offensive Coordinator | Send E-Mail |
| Mr. Doug Myers | Head Coach Softball | Send E-Mail |
| Mrs. Mary Palmer | Head Coach Girls' Tennis | Send E-Mail |
| Mr. Jason Quinn '90 | Resident Substitute/Boys' Basketball Coach | Send E-Mail |
| Mr. Luis Renteria | Head Coach Wrestling | Send E-Mail |
| Mr. Kyle Roberts | Visual Arts Teacher/JV Coach Boys' Lacrosse | Send E-Mail |
| Mr. Bruce Rollinson '67 | Special Assistant to the President/HC Football | Send E-Mail |
| Ms. Kinsey Ross | Science Teacher/Girls' Volleyball Coach | Send E-Mail |
| Ms. Rebecca Schafer | English Teacher/Track & Field, Cross Country Coach | Send E-Mail |
| Mr. Christopher Segesman | Associate Dir. Of Athletics/Dir. Of Aquatics | Send E-Mail |
| Mr. Jacques Tuz | Social Studies Teacher/HC JV Boys' Basketball Coach | Send E-Mail |
| Mr. Matty West | Social Studies Teacher/HC Girls' Soccer | Send E-Mail |
| Color Guard | Position | |
| Mrs. Rebecca Greenberg | Head Coach - Color Guard | Send E-Mail |
| Mater Dei Bookstore | Position | |
| Ms. Laura Webb | Bookstore Manager | Send E-Mail |
| MDHS Parent Association Council | Position | |
| Mrs. Leslie Acevedo | 2012 All School Auction Co-Chair | Send E-Mail |
| Mrs. Kay Amaro | PAC Hospitality Chair | Send E-Mail |
| Mrs. Sandi Chu | Class of 2013 Co-Chair | Send E-Mail |
| Mrs. Louise Deeb | PAC Vice President | Send E-Mail |
| Mrs. Vickie Demos | Class of 2014 Co-Chair | Send E-Mail |
| Mrs. Juli Halopoff | Class of 2013 Co-Chair | Send E-Mail |
| Mrs. Karen Hauser | 2012 All School Auction Co-Chair | Send E-Mail |
| Mrs. Kerry Hinkelman | Class of 2015 Co-Chair | Send E-Mail |
| Mrs. Pamela Knapp | Class of 2012 Co-Chair | Send E-Mail |
| Mrs. Susan Luchay | Family Mass Chair | Send E-Mail |
| Mrs. Debra Navarro | PAC Volunteer Coordinator | Send E-Mail |
| Mrs. Frances Nguyen | Class of 2014 Co-Chair | Send E-Mail |
| Mrs. Catherine O'Hara | PAC President | Send E-Mail |
| Mrs. Peggy Quayle | Class of 2013 Co-Chair | Send E-Mail |
| Mrs. Shelley Sweeney | Class of 2015 Co-Chair | Send E-Mail |
| Mrs. Mary Trotter | Class of 2014 Co-Chair | Send E-Mail |
| Mrs. Kay Ward | Class of 2012 Co-Chair | Send E-Mail |
| MDTV | Position | |
| Mr. Mark Dormitorio | Assistant Director MDTV/Audio Visual Support | Send E-Mail |
| Mr. Larry Sharp | Director/MDTV | Send E-Mail |
| English | Position | |
| Mr. Brian Barsuglia | Department Chair/English/Filmakers Club Moderator | Send E-Mail |
| Mrs. Geri Campeau '87 | English Teacher/Key Club Moderator | Send E-Mail |
| Ms. Jeanette Costa | English Teacher | Send E-Mail |
| Ms. Michelle Elkerton | English Teacher/JV Coach Girls' H2O/Asst. Swim Coach | Send E-Mail |
| Ms. Elise Faust | English Teacher | Send E-Mail |
| Ms. Anna-Lisa George '89 | English Teacher/Academic Decathlon Coach | Send E-Mail |
| Mr. Miguel Gutierrez | English Teacher | Send E-Mail |
| Ms. Melissa Jacobson | English/Theater Arts Teacher/CC, Track & Field Coach | Send E-Mail |
| Mrs. Tanya Katnic | English Teacher/Yearbook & Scarlet Scroll Moderator | Send E-Mail |
| Mr. Kevin Kiernan | English Teacher/HC Girls' Basketball | Send E-Mail |
| Mrs. Annette Ridley | English Teacher | Send E-Mail |
| Mrs. Melissa Rydjeski | English Teacher/Debate & Forensics Moderator | Send E-Mail |
| Ms. Rebecca Schafer | English Teacher/Track & Field, Cross Country Coach | Send E-Mail |
| Mrs. Julie St. John | English Teacher | Send E-Mail |
| Ms. Alexandra Thomas | English Teacher | Send E-Mail |
| Ms. Meredith Weber | English Teacher | Send E-Mail |
| Math | Position | |
| Ms. Donnette Alexander | Teacher | Send E-Mail |
| Ms. Jennifer Calisher | Math Teacher/Invisible Children's Club Moderator | Send E-Mail |
| Mrs. Kathlyn Callahan | Math Teacher | Send E-Mail |
| Mrs. Maryanne De Lorenzo | Math Teacher | Send E-Mail |
| Mr. Matt Goto | Math Teacher/HC Boys' Lacrosse | Send E-Mail |
| Mr. Robert Ickes | Math Teacher/Asst. Baseball Coach | Send E-Mail |
| Mrs. Amy Kim '73 | Math Teacher | Send E-Mail |
| Mr. Sean Lieblang | Math Teacher | Send E-Mail |
| Mr M. Heath Mackey | Math Teacher | Send E-Mail |
| Mrs. Therese Paine | Math Teacher | Send E-Mail |
| Ms. Melinda Ramirez '91 | Math Teacher/Snowboarding Club Moderator | Send E-Mail |
| Mr. Sean Smith | Dept. Chair/Math/Sailing Club Moderator | Send E-Mail |
| Mr. Thomas Spellmire '01 | Math Teacher/Surfing Club Coach/Moderator | Send E-Mail |
| Mrs. Rhonda Valenton | Science/Math Teacher | Send E-Mail |
| Mr. Anthony Vasquez '85 | Math Teacher | Send E-Mail |
| Modern Language | Position | |
| Mrs. Mindy Broadaway | Modern Language Teacher | Send E-Mail |
| Mrs. Tatiana Chilingirian | Modern Language Teacher | Send E-Mail |
| Mrs. Bobbie Dankert | Modern Language Teacher | Send E-Mail |
| Mr. Lewis Francis | Dept. Chair/Modern & Classical Languages | Send E-Mail |
| Mrs. Monica Funes | Modern Language Teacher | Send E-Mail |
| Mrs. Nancy Head | Modern Language Teacher | Send E-Mail |
| Ms. Ari Hilliard | Modern Language Teacher | Send E-Mail |
| Mrs. Lydiette Kubik '72 | Modern Language Teacher | Send E-Mail |
| Mrs. Alicia Migliarini | Modern Language Teacher | Send E-Mail |
| Mr. Mark Mulholland | Modern Language Teacher | Send E-Mail |
| Mrs. Patty Pankenier | Modern Language Teacher | Send E-Mail |
| Mrs. Susana Siffredi | Modern Language Teacher | Send E-Mail |
| Performing Arts | Position | |
| Mr. Joseph Alanes | Theatre Arts Teacher | Send E-Mail |
| Mrs. Dee Dee Aldridge | JV HC Cheer | N/A |
| Mr. Jasen Aldridge | HC Cheerleading | N/A |
| Mr. Kent Helwig | Music Accompanist | Send E-Mail |
| Ms. Melissa Jacobson | English/Theater Arts Teacher/CC, Track & Field Coach | Send E-Mail |
| Mr. Fernando Martinez | Assistant Band Director | Send E-Mail |
| Mr. Scott Melvin | Choir Director | Send E-Mail |
| Ms. Gail Milby '70 | Dance Director | Send E-Mail |
| Mrs. Karen Pescetti | Dept. Secretary/Performing Arts | Send E-Mail |
| Mr. Thomas Plunkett | Band Director | Send E-Mail |
| Ms. Morgan Wahl | HC Songleading | N/A |
| Mr. Patrick Williams | Director of Performing Arts & Musical Theatre | Send E-Mail |
| Physical Education | Position | |
| Mr. Gary McKnight | Dept. Chair Physical Education/HC Boys Basketball | Send E-Mail |
| Mr. David Money | PE Teacher/Offensive Coordinator | Send E-Mail |
| Religious Studies | Position | |
| Mrs. Madonna Briscoe | Religious Studies Teacher | Send E-Mail |
| Mrs. Melanie Carrillo | Religious Studies Teacher/Video Game Club | Send E-Mail |
| Mr. Ben De Los Reyes | Religious Studies Teacher | Send E-Mail |
| Mrs. Jennifer Dennin | Religious Studies Teacher/R.E. Curriculum Coordinator | Send E-Mail |
| Dr. Aileen Doyle | Religious Studies Teacher | Send E-Mail |
| Ms. Lynne Firpo | Dept. Chair/Religious Studies/Joni's Angels Club Moderator | Send E-Mail |
| Mrs. Margery Fischer | Religious Studies Teacher/Senior Class Moderator | Send E-Mail |
| Ms. Colleen Hall | Religious Studies Teacher/Freshmen Class Moderator | Send E-Mail |
| Dr. Anne Herrick | Religious Studies Teacher/Unite for Sight Club Moderator | Send E-Mail |
| Mrs. Carol Koppenheffer | Religious Studies Teacher/Pacific Islander Club Moderator | Send E-Mail |
| Mrs. Sarah Novak '81 | Religious Studies Teacher | Send E-Mail |
| Ms. Dorinda Upham | Religious Studies Teacher | Send E-Mail |
| Ms. Diana Valentini | Religious Studies Teacher | Send E-Mail |
| Mrs. Megan Velte | Religious Studies Teacher | Send E-Mail |
| Mr. Steven Viau | Religious Studies Teacher/Rock Musicians Club Moderator | Send E-Mail |
| Science | Position | |
| Mrs. Melissa Altobelli | Science Teacher | Send E-Mail |
| Mr. Jason Berg | Science Teacher | Send E-Mail |
| Ms. Cressita Bowman | Science Teacher/HC Girls' Lacrosse | Send E-Mail |
| Mr. Burt Call | Science Teacher/Head Coach Baseball | Send E-Mail |
| Mrs. Lisa Calvin | Science Teacher | Send E-Mail |
| Mrs. Kali Gomez '01 | Science Teacher/Equestrian Club Moderator | Send E-Mail |
| Mrs. Vicki LaVoice | Science Teacher | Send E-Mail |
| Mrs. Kimberly Lawrence | Science Teacher | Send E-Mail |
| Mr. Rick Martinez '83 | Science Teacher/HC Track & Field/HC Cross Country | Send E-Mail |
| Mr. William Matthews | Science Teacher | Send E-Mail |
| Mrs. Kendell Middlebrook | Science Teacher | Send E-Mail |
| Mr. James Reynolds | Dept. Chair/Science | Send E-Mail |
| Ms. Kinsey Ross | Science Teacher/Girls' Volleyball Coach | Send E-Mail |
| Ms. Trish Tillotson | Science Teacher | Send E-Mail |
| Mrs. Rhonda Valenton | Science/Math Teacher | Send E-Mail |
| Social Studies | Position | |
| Mr. Michael Beringer | Social Studies/Visual Arts Teacher | Send E-Mail |
| Mr. Jeffrey Diulio '01 | Social Studies Teacher/Frosh. Asst. Football Coach | Send E-Mail |
| Ms. Holly Haynes '98 | Social Studies Teacher/JSA Moderator | Send E-Mail |
| Ms. Kathleen Immel | Dean of Students: (GIRLS)/Social Studies Teacher | Send E-Mail |
| Ms. Kathleen Kahlweiss '01 | Social Studies Teacher | Send E-Mail |
| Mrs. Diane Larsen | Social Studies Teacher | Send E-Mail |
| Mrs. Roza Mansouri | Dept. Chair Social Studies/MUN Moderator | Send E-Mail |
| Mr. Ollie Martin | Social Studies Teacher/HC Boys' & Girls' Golf | Send E-Mail |
| Mrs. Laurie Rollinson | Social Studies Teacher | Send E-Mail |
| Mr. Jacques Tuz | Social Studies Teacher/HC JV Boys' Basketball Coach | Send E-Mail |
| Mr. Matty West | Social Studies Teacher/HC Girls' Soccer | Send E-Mail |
| Technology & Business | Position | |
| Mrs. Diane Larsen | Social Studies Teacher | Send E-Mail |
| Dr. Patricia Lash | Technology & Business Teacher | Send E-Mail |
| Mrs. Karin Peterson | Dept. Chair/Business & Tech./Multimedia Lab Dir./SAT Coord. | Send E-Mail |
| Visual Arts | Position | |
| Mr. Michael Beringer | Social Studies/Visual Arts Teacher | Send E-Mail |
| Ms. Caroline Davies | Visual Arts Teacher/NAHS Moderator | Send E-Mail |
| Mrs. Shannon Hartman | Visual Arts Teacher | Send E-Mail |
| Mr. Kyle Roberts | Visual Arts Teacher/JV Coach Boys' Lacrosse | Send E-Mail |
| Mrs. Catherine Wilson | Dept. Chair/Visual Arts | Send E-Mail |