Meet Our Staff

Head of School

Tyler Bourcier, Head of School, trained at the Center for Montessori Education in New York, holds an American Montessori Society Credential for Elementary I and II, as well as a State of California Multiple Subject Teaching Credential. Tyler began his elementary teaching career in 2003 and taught at Montessori schools in Arizona and Delaware before joining Casa di Mir’s Upper Elementary faculty in 2007. Tyler is also an instructor at the Montessori Teacher Education Center of the San Francisco Bay Area.

Administrative Team

Rose Chang, Administrative Assistant, has been with Casa di Mir as a parent since 2010. She also serves as the school’s facilities and parent volunteer coordinator. Rose holds a BA in Electrical Engineering from San Francisco State University.


Hema Munshi works in the front office as an Administrative Assistant. Hema holds a BA and certificate in Administrative Assistant/Office Technology. In addition to her extensive experience working in the non-profit sector, Hema is also a graduate of a Montessori High School.


Anne Nguyen, Admissions Director, has taught since 1994 and has spent most of her career at Casa di Mir. She taught for 3 years at the Palo Alto USD. Anne holds a California State Teaching Credential from San Jose State University and an American Montessori Society certificate for ages 9-12 from the Montessori Teacher Education Center.


Karen Schuler is the Director of Finance and Human Resources.  Karen has been with the school since 1999.  She has completed the Human Resource Specialist Training, Advanced Course for School Leaders, Montessori Whole School Management, and holds a BA degree in Psychology from California State University East Bay.

“What I love about Casa is the dedication I see day in and day out in both staff and faculty. We are all aware of the sacred trust that has been placed in us to provide the best possible environment for our dear students. The culture at Casa is one of respect, compassion and fun!”


Wanda Whitehead, Education Director, assisted the founding board in the establishment of the school in 1989, and was its first teacher. Her key focus and vision is Maria Montessori’s “Education for Peace.” Wanda taught for 17 years in the Palo Alto Unified School District, grades 2-6. She holds a State of California Standard Teaching Credential for grades K-8, American Montessori Society Certification for ages 6-12, and Orff-Schulwerk Level 1 music teacher certification. Wanda is a teacher trainer at the Montessori Teacher Education Center of San Francisco Bay Area.


Anna Chan, Human Resources Specialist. Anna has over 20 years of Human Resources experience in global corporations and non-profit organizations. Anna holds a BA in Business Administration and a Professional Human Resources Certification. Anna joined the Casa family in the summer of 2020.


Erika Ruiz, Manager of Development & Marketing, holds a Bachelor of Architecture degree from the University of Arizona. She has over 15 years of experience in the digital design field. Her portfolio includes UX/UI design, web development, marketing, and social media work. Erika has worked for businesses of all sizes including global corporations, startups, and non-profit organizations.

“I love Casa di Mir because it offers the authentic Montessori Education I was looking for my son when we moved to the Bay Area over five years ago; we found an environment where he can thrive! The school also became a place where I found purpose and a meaningful way to make use of my professional experience.”

Primary Program

Sunita Austin, Primary Program Director, has been a Montessori teacher since 2007.  She holds an American Montessori Society Credential from the Montessori Teacher Education Institute of Adrian, Michigan as well as an Early Childhood Education Certificate. Sunita joined Casa di Mir’s Primary teaching team in 2016.


Diane Heiba, Primary Teacher/Intern, has worked in early child development since 2010. She has been at Casa since 2016 in the business office, then as a substitute/PT primary teacher since 2017. Diane is completing her AMD Credential for Early Childhood from the Montessori Teacher Education Center and AS Degree in Child Studies at West Valley College.  She holds a BS Degree in Business Administration from SFSU.


Radha Kadich received her American Montessori Society credential in Early Childhood Education at the Montessori  Teacher Training Center, and has been teaching since 2009. Radha also completed her chef training in South Africa and earned an associate degree in Nutrition and Catering.


Yan Qu started at Casa as a regular substitute teacher and was such an asset in the classroom that she was subsequently hired as a full-time Primary Teacher.  Yan has completed her Montessori credential for early childhood educators through the Montessori Teacher Education Center. Yan is bilingual and has developed and taught Mandarin language lessons for preschool-age children.  Yan holds a BS in Electrical Engineering and has completed 45 units of Early Childhood Education.


Kristin Schwartz is an Assistant Teacher in the Primary Program.  She studied Communications at San Jose State University and completed her American Montessori Credential for Early Childhood from the Montessori Teacher Education Center.  Kristin is a certified Mind Body Eating Coach, a devotee of yoga, traveling, and Child Development.


Whitney Williams is a Primary Assistant Teacher.  Since 2016, she has worked with toddlers, preschoolers, and school-age children.  She attended West Valley College, where she studied early childhood education and business.


Joy Yap has been an early childhood teacher since 2004. She holds an American Montessori Society Early Childhood Credential from the Montessori Teacher Education Center. Joy also has a Bachelor’s Degree in Psychology and is pursuing a Master’s Degree in Educational Psychology.

Lower Elementary

Madhu Agarwal is a teacher in the Lower Elementary program. She earned a Master’s Degree in Finance and worked as a Financial Analyst before pursuing a career as a Montessori Teacher.   She completed her Montessori training for Lower Elementary at the Montessori Teacher Education Center.  Madhu especially enjoys bringing innovation and creativity to her work with her students.


Pheroza Doshi, obtained her Montessori credential from the Institute for Advanced Montessori Studies in Silver Spring, Maryland. She has been a classroom teacher since 2007. Pheroza has lived in Kenya and is fluent in French and Swahili.

“Casa di Mir is an oasis of calm in the fast-paced living of Silicon Valley. I am drawn to the values that are central to teaching at this school. The social and emotional needs of the child are foremost and each child is given the opportunity to reveal themselves at their own pace. It is a supportive community that emphasizes teamwork and close collaboration between families and teachers.”


Eliana Fernandez  is a Lower Elementary Teacher and holds an American Montessori Society Credential from Montessori Teacher Education Center. She completed a Bachelor’s degree in Law from the Universidad Pedagogica y Tecnologica de Colombia.


Kai Shuart attained her Liberal Arts degree from Golden West College and her Bachelor’s in Child Development from Humboldt State University. In 2014 she received her Lower Elementary Teaching Credential from the North American Montessori Center.  Kai is an Assistant Teacher in Casa’s Lower Elementary program.


Bithika Vora is a teacher in the Lower Elementary program.  Bithika received her Lower Elementary Montessori Teaching Credential from The Montessori Teacher Education Center. She enjoys giving Mathematics lessons and using Montessori tools like the geometric solids and checker board beads.


Cathy Zoeckler holds a MA in Education, an American Montessori Society Elementary Credential, and completed a Bachelor of Arts in Business Management. Cathy has been a Montessori teacher since 1994.

Upper Elementary

Kevin Lang holds a M.Ed. in Elementary Education from Loyola University in Baltimore and American Montessori International certification in both Elementary and Adolescent Studies. He has a BS in Environmental Studies from Northland College in Ashland, WI. Kevin has many years of experience as a Montessori educator with both upper elementary and middle school students. Kevin joined the Casa di Mir faculty in 2014.


Nathan Whitehead completed his American Montessori Society Elementary I training for ages 6-9 at the Center for Montessori Teacher Education in New York. Nathan also holds a BA in Spanish with a minor in Communication from San Diego State University. Nathan is the first Casa di Mir alumnus to return to work at Casa! Nathan joined Casa di Mir’s staff in 2011.


Shawn Kreider holds an MA in Curriculum and Teaching in addition to a BS in Psychology from Michigan State University. Shawn received his AMS Elementary 6-12 Credential from the Montessori Institute of San Diego. Throughout his many years of elementary teaching experience, Shawn has always been passionate about working with children in a Montessori classroom and expanding on the learning beyond the classroom environment.

Middle School

Kristin Romberg is the Middle School Humanities Teacher. She holds a BA in Education (Teaching and Human Development) and Music from Dartmouth College.  She holds an Academic Citation in Special Education, a state credential for K-8 and a Montessori credential.  Kristin has experience in International Baccalaureate schools, international schools, and has taught in California, Alaska, Lebanon, Vietnam, and the Marshall Islands. Kristin has been teaching since 2002.


Bonnie Benham, who is deeply passionate about adolescent education, completed her Orientation to Adolescent Studies at the North American Montessori Teacher Association in Hiram, Ohio. She holds a BS in Biology from the University of California San Diego and an MPA from the Middlebury Institute of International Studies at Monterey. Bonnie has over 15 years of experience in the educational field. Her previous work includes a middle school teaching position at Santa Cruz Montessori where she co-created, implemented, and managed a place-based farm program while teaching science, and an Education management role at the Monterey Bay Aquarium where she facilitated a design process for developing education programs for the new Center for Ocean Education and Leadership.

Specialty Teachers and Support Staff

Renee Jones, co-founder of Casa di Mir and former RN, has been teaching Human Growth to Casa’s Upper Elementary and Middle School students for over 25  years.  She brings her expertise in the field of medicine, human biology, human values, and ethics to her work with Casa students.


Yonas Kameda is a Music Teacher at Casa di Mir.  Yonas has always been passionate about music and has been instructing students of all ages in various instruments and musical theory since 2001.  Yonas has developed and taught music curriculum in public elementary schools since 2014.


Lily Martinez teaches Primary and Lower Elementary Spanish. Lily was born and raised in Peru, holds a BA in Sociology from San Jose State University and a certificate in Early Childhood Development from West Valley College. Lily began her teaching career in 2008 and has been with Casa since 2016.

“What I like about working at Casa is the collaboration among colleagues for a common cause, which for me is to help our students learn concepts and thrive in school and in life.“


New School Aikido, under the direction of Sensei Leslie Simmons, provides Aikido instruction to grades 2-8 as part of Casa di Mir’s Physical Education Curriculum. Sensei Simmons has been providing Aikido instruction to Casa di Mir students since 2000.


Claudia Zambon is a Spanish Teacher at Casa.  Claudia is a native Spanish speaker who began teaching Spanish in 2008. An extremely versatile teacher with a passion for education, Claudia has also taught Science and History to elementary age students.


Our care of the child should be governed, not by the desires to make him learn things but the endeavor always to keep burning within him that light which is called intelligence.
– Maria Montessori