Our Team
Administration
Fr. Joaquin Martinez, SJ
President
bmartinez@materdeicatholic.org
(619) 423-2121 x 136
Mrs. Leticia Oseguera
Principal
loseguera@mdjda.org
(619) 423-2121 x
Ms. Cristina Torres
Assistant Principal
ctorres@mdjda.org
(619) 423-2121 x
Fr. Joaquin Martinez, SJ
Presidentbmartinez@materdeicatholic.org
(619) 423-2121 x 136
Mrs. Leticia Oseguera
Principalloseguera@mdjda.org
(619) 423-2121 x
Ms. Cristina Torres
Assistant Principalctorres@mdjda.org
(619) 423-2121 x
Faculty
Ms. Laura Bistric
4th Grade Teacher
lbistric@mdjda.org
(619) 423-2121 x
Ms. Elsa Bremer
8th Grade Teacher
ebremer@mdjda.org
(619) 423-2121 x
Ms. Janel Bruan
5th Grade Teacher
jbruan@mdjda.org
(619) 423-2121 x
Ms. Ericka Brunner
Dance Teacher
ebrunner@mdjda.org
(619) 423-2121 x
Ms. Karmina Garcia
2nd Grade Teacher
kgarcia@mdjda.org
(619) 423-2121 x
Ms. Paulina Gorban
7th Grade Teacher
pgorban@mdjda.org
(619) 423-2121 x
Ms. Emily Guerrero
4th Grade Teacher
eguerrero@mdjda.org
(619) 423-2121 x
Ms. Maria Gutierrez
TK Teacher
mgutierrez@mdjda.org
(619) 423-2121 x
Ms. Amanda Idiaquez
1st Grade Teacher
aidiaquez@mdjda.org
(619) 423-2121 x
Ms. Lauren Lee
2nd Grade Teacher
llee@mdjda.org
(619) 423-2121 x
Ms. Karina Moncayo
Kindergarten Teacher
kmoncayo@mdjda.org
(619) 423-2121 x
Ms. Nelly Ortega
6th Grade Teacher
nortega@mdjda.org
(619) 423-2121 x
Ms. Carmen Poqui
3rd Grade Teacher
cpoqui@mdjda.org
(619) 423-2121 x
Ms. Sinead Quinn
3rd Grade Teacher
squinn@mdjda.org
(619) 423-2121 x
Ms. Teresina Ruiz
5th Grade Teacher
truiz@mdjda.org
(619) 423-2121 x
Ms. Faina Salter
Kindergarten Teacher
fsalter@mdjda.org
(619) 423-2121 x
Mr. Ron Smith
Counselor/Athletic Director
rsmith@mdjda.org
(619) 423-2121 x
Mr. Brian Solis
PE Teacher
bsolis@mdjda.org
(619) 423-2121 x
Ms. Jennifer Sumayao
8th Grade Teacher
jsumayao@mdjda.org
(619) 423-2121 x
Mr. Christian Truesdell
7th Grade Teacher
ctruesdell@mdjda.org
(619) 423-2121 x
Ms. Monica Varela
1st Grade Teacher
mvarela@mdjda.org
(619) 423-2121 x
Ms. Brenda Vasquez
6th Grade Teacher
bvasquez@mdjda.org
(619) 423-2121 x
Ms. Laura Bistric
4th Grade Teacherlbistric@mdjda.org
(619) 423-2121 x
Ms. Elsa Bremer
8th Grade Teacherebremer@mdjda.org
(619) 423-2121 x
Ms. Janel Bruan
5th Grade Teacherjbruan@mdjda.org
(619) 423-2121 x
Ms. Ericka Brunner
Dance Teacherebrunner@mdjda.org
(619) 423-2121 x
Ms. Karmina Garcia
2nd Grade Teacherkgarcia@mdjda.org
(619) 423-2121 x
Ms. Paulina Gorban
7th Grade Teacherpgorban@mdjda.org
(619) 423-2121 x
Ms. Emily Guerrero
4th Grade Teachereguerrero@mdjda.org
(619) 423-2121 x
Ms. Maria Gutierrez
TK Teachermgutierrez@mdjda.org
(619) 423-2121 x
Ms. Amanda Idiaquez
1st Grade Teacheraidiaquez@mdjda.org
(619) 423-2121 x
Ms. Lauren Lee
2nd Grade Teacherllee@mdjda.org
(619) 423-2121 x
Ms. Karina Moncayo
Kindergarten Teacherkmoncayo@mdjda.org
(619) 423-2121 x
Ms. Nelly Ortega
6th Grade Teachernortega@mdjda.org
(619) 423-2121 x
Ms. Carmen Poqui
3rd Grade Teachercpoqui@mdjda.org
(619) 423-2121 x
Ms. Sinead Quinn
3rd Grade Teachersquinn@mdjda.org
(619) 423-2121 x
Ms. Teresina Ruiz
5th Grade Teachertruiz@mdjda.org
(619) 423-2121 x
Ms. Faina Salter
Kindergarten Teacherfsalter@mdjda.org
(619) 423-2121 x
Mr. Ron Smith
Counselor/Athletic Directorrsmith@mdjda.org
(619) 423-2121 x
Mr. Brian Solis
PE Teacherbsolis@mdjda.org
(619) 423-2121 x
Ms. Jennifer Sumayao
8th Grade Teacherjsumayao@mdjda.org
(619) 423-2121 x
Mr. Christian Truesdell
7th Grade Teacherctruesdell@mdjda.org
(619) 423-2121 x
Ms. Monica Varela
1st Grade Teachermvarela@mdjda.org
(619) 423-2121 x
Ms. Brenda Vasquez
6th Grade Teacherbvasquez@mdjda.org
(619) 423-2121 x
Staff
Ms. Mayela Adame
Instructional Assistant
madame@mdjda.org
(619) 423-2121 x
Mr. Andrew Balelo
Director of Alumni Relations / Mater Dei Fund Manager
abalelo@materdeicatholic.org
(619) 423-2121 x 230
Ms. Ivanna Bermudez
Instructional Assistant
ibermudez@mdjda.org
(619) 423-2121 x
Mr. Jeremiah Brooks
Web Administrator
jbrooks@materdeicatholic.org
Ms. Melanie Dietz
Executive Assistant to the President | Principal’s Executive
Mr. Ryan T. Easley, MBA P’35 P’36
Business Manager
reasley@materdeicatholic.org
(619) 423-2121 x 221
Ms. Karla Figueroa
Principal's Executive Assistant/Admissions Associate
kfigueroa@mdjda.org
(619) 423-2121 x
Zury G. Guptill, MBA HRM, SHRM-CP, PHRca P’29
Director of Human Resources
zguptill@materdeicatholic.org
(619) 423-2121 x 127
(619) 566-4345
John Joyner P’28
Admissions Associate | Head Football Coach
jjoyner@materdeicatholic.org
(619) 423-2121 x 248
Ms. Maritza Martin del Campo
Instructional Assistant
mmartindelcampo@mdjda.org
(619) 423-2121 x
Ms. Sandra Montes
Instructional Assistant
smontes@mdjda.org
(619) 423-2121 x
Mr. David Napoleon
PS121 Security
dnapolean@materdeicatholic.org
(619) 423-2121 x 134
Ms. Clarissa Nuño
Administrative Assistant
cnuno@mdjda.org
(619) 423-2121 x
Ms. Patricia Peraza
Instructional Assistant
pperaza@mdjda.org
(619) 423-2121 x
Mr. John Rey
Director of Major Gifts & Planned Giving
jrey@materdeicatholic.org
(619) 423-2121 x 136
Mr. John Rodinec P’19 ’21
Director of Security | Ps121-Campus Security
jrodinec@materdeicatholic.org
(619) 423-2121 x 134
Alejandra Saavedra
Director of Advancement
asaavedra@materdeicatolic.org
(619) 423-2121 x 116
Ms. Melissa Sanchez
Instructional Assistant
msanchez@mdjda.org
(619) 423-2121 x
Ms. Julia Serrato
Instructional Assistant
jserrato@mdjda.org
(619) 423-2121 x
Mrs. Jodie Simbolon
Chief Financial Officer
jsimbolon@materdeicatholic.org
(619) 423-2121 x 104
Mrs. Cathy Sperrazzo P’24
Director of Communications
csperrazzo@materdeicatolic.org
(619) 423-2121 x 185
Mr. Luis Torres
Director of Information Technology - MDJDA
ltorres@materdeicatholic.org
(619) 423-2121 x 184
Ms. Denise Valdez
Major Events Coordinator | Parent Volunteer Program
drodriguez@materdeicatolic.org
(619) 423-2121 x 126
Ms. Mayela Adame
Instructional Assistantmadame@mdjda.org
(619) 423-2121 x
Mr. Andrew Balelo
Director of Alumni Relations / Mater Dei Fund Managerabalelo@materdeicatholic.org
(619) 423-2121 x 230
Ms. Ivanna Bermudez
Instructional Assistantibermudez@mdjda.org
(619) 423-2121 x
Mr. Jeremiah Brooks
Web Administratorjbrooks@materdeicatholic.org
Ms. Melanie Dietz
Executive Assistant to the President | Principal’s Executive
Mr. Ryan T. Easley, MBA P’35 P’36
Business Managerreasley@materdeicatholic.org
(619) 423-2121 x 221
Ms. Karla Figueroa
Principal's Executive Assistant/Admissions Associatekfigueroa@mdjda.org
(619) 423-2121 x
Zury G. Guptill, MBA HRM, SHRM-CP, PHRca P’29
Director of Human Resourceszguptill@materdeicatholic.org
(619) 423-2121 x 127
(619) 566-4345
John Joyner P’28
Admissions Associate | Head Football Coachjjoyner@materdeicatholic.org
(619) 423-2121 x 248
Ms. Maritza Martin del Campo
Instructional Assistantmmartindelcampo@mdjda.org
(619) 423-2121 x
Ms. Sandra Montes
Instructional Assistantsmontes@mdjda.org
(619) 423-2121 x
Mr. David Napoleon
PS121 Securitydnapolean@materdeicatholic.org
(619) 423-2121 x 134
Ms. Clarissa Nuño
Administrative Assistantcnuno@mdjda.org
(619) 423-2121 x
Ms. Patricia Peraza
Instructional Assistantpperaza@mdjda.org
(619) 423-2121 x
Mr. John Rey
Director of Major Gifts & Planned Givingjrey@materdeicatholic.org
(619) 423-2121 x 136
Mr. John Rodinec P’19 ’21
Director of Security | Ps121-Campus Securityjrodinec@materdeicatholic.org
(619) 423-2121 x 134
Alejandra Saavedra
Director of Advancementasaavedra@materdeicatolic.org
(619) 423-2121 x 116
Ms. Melissa Sanchez
Instructional Assistantmsanchez@mdjda.org
(619) 423-2121 x
Ms. Julia Serrato
Instructional Assistantjserrato@mdjda.org
(619) 423-2121 x
Mrs. Jodie Simbolon
Chief Financial Officerjsimbolon@materdeicatholic.org
(619) 423-2121 x 104
Mrs. Cathy Sperrazzo P’24
Director of Communicationscsperrazzo@materdeicatolic.org
(619) 423-2121 x 185
Mr. Luis Torres
Director of Information Technology - MDJDAltorres@materdeicatholic.org
(619) 423-2121 x 184
Ms. Denise Valdez
Major Events Coordinator | Parent Volunteer Programdrodriguez@materdeicatolic.org
(619) 423-2121 x 126
