Faculty and Staff
Heidy Shinn Slattengren, Principal
Heidy fiercely believes that all students deserve a right to the best education possible. Prior to OP, Heidy spent sixteen years in teaching and administration at several high performing charter schools across the country, including KIPP, Rocketship, and Excel Academy. With her background in elementary and middle school education, Heidy is eager to lead OP as it continues to grow into a K-12 school over the next decade. Heidy earned her B.A. in Psychology and Sociology at Boston University and her M.Ed in Administration, Planning and Social Policy from Harvard University.
Anne Shibley, Assistant Principal
Annie has ten years of teaching experience and believes in education equality. Annie received a B.A. in Elementary Education and a Master of Education, in Special Education at Lesley University in Cambridge. She started as a kindergarten teacher in Boston. She then moved to California and became a Special Education Teacher in middle and elementary school classrooms at Seneca Family of Agencies therapeutic day school, serving high needs youth for four years. After the Haitian earthquake in 2010, Annie moved to Haiti where she provided relief efforts and education. Annie started her career in San Francisco by helping to initiate a partnership between Seneca Family of Agencies and SFUSD. She then began coaching teachers at OP before jumping into the Assistant Principal role.
Elizabeth Arellano, Skills Coach
Elizabeth is a San Francisco native. She earned her B.A. in Psychology and Anthropology/Sociology at Kalamazoo College in Michigan. She believes in providing socio emotional support to all students so they can be in a productive and positive mindset in order to learn. As a first generation college graduate, she believes in the mission of OnePurpose. Prior to OnePurpose, Elizabeth worked in community based work. She believes that collaboration between caretakers and school staff is critical in helping students believe in themselves and reach their full potential. Elizabeth loves to play soccer and lacrosse.
Liz Berliant, Third Grade Teacher
Liz is excited to be back at OnePurpose for her second year and grateful for her dedicated students she will get to see grow in the third grade. She has high expectations for her students academically and behaviorally and believes they can all achieve through hard work, resilience, and passion. Liz hopes to build a strong community in the classroom that is excited about learning. Liz has taught elementary school as well as middle school music and this is her tenth year in the classroom. Liz is originally from Chicago but has lived in California for thirteen years and graduated from the University of California, Santa Cruz. Go Banana Slugs!
Kimberly Burns, Academic Intervention Specialist
Kimberly holds a credential as an Education Specialist, and is currently the Academic Intervention Specialist at OnePurpose. She case manages, provides intervention services and supports teachers to ensure that all students are thriving in the classroom. She is passionate about the processes of learning and believes that each child can succeed with the right support.
Gina Centanni, Kindergarten Teacher
In more than 20 years teaching kindergarten and middle school, Gina has engaged students with movement, song, sound effects, puppets and a variety of project-based "quests" centered around the theme of superheroes. Her focus is to teach children to know themselves, to discover new strengths, to appreciate differences in others and in themselves, to practice self-control, to see themselves as agents of change, and as vital members of their community. Gina holds a multiple subject teaching credential and single subject teaching credential in English. She is a graduate of San Francisco State University. Go Gators!
Sarah DeMartini, Fourth Grade Teacher
Sarah is a recently returned Peace Corps Volunteer. She served in the country of Armenia where she taught English as a foreign language for two years. Originally from a small town in the foothills of California, Sarah has worked with youth in and outside the classroom for the past 12 years. She earned her B.A. in English from the University of North Texas. She is passionate about working with youth in the community and finding her way outdoors as much as possible.
Connie Diwa, Clinical Intervention Specialist
Connie is excited to be supporting OnePurpose students in increasing their socio emotional skills and providing mental health services on campus. She earned her B.S. in Social Work from Mount St. Mary's University in Los Angeles. She obtained a Master of Social Work degree with a Pupil Personnel Services Credential in School Social Work and Child Welfare and Attendance from the University of Southern California. She has been with Seneca Family of Agencies for two years, previously working in its San Francisco Wraparound Community Based Program.
Pha Pha Hamilton, Speech Therapist
Pha Pha has worked as a speech therapist at OnePurpose School since the fall of 2015. She holds a B.A. in American Studies from Tufts University, a teaching credential and an M.A. in Education from University of California, Berkeley, and an M.S. in Speech Language Pathology from California State University East Bay. For most of her professional career Pha Pha has worked with youth and families in the Bay Area including positions at a variety of non-profits (e.g. "I Have a Dream Foundation," the Breakthrough Collaborative, and Mission Graduates) as well as for San Francisco Unified School District as an elementary school teacher. Pha Pha enjoys and values supporting students and their families and collaborating with other professionals to support students' success. Pha Pha was born in Vietnam and raised in San Francisco where she lives with her husband and two sons.
Benjamin Hernandez, Kindergarten Teacher
Benjamin is originally from Long Beach. He transferred to the University of California, Davis from Long Beach City College where he received a Bachelor's degree in Political Science - Public Service. During his last quarter in college, he interned at the California Department of Education where he found his love for education. His passion for education has allowed him to pursue his Master's Degree in Educational Policy at San Francisco State University.
Addie Johnson, Lead Drills Coach
Addie grew up in Vermont and moved to San Francisco from Boston. She started her career in education as a City Year AmeriCorps member where she provided instructional support, behavior and attendance coaching to an inspirational group of fourth grade students in Boston. In this role, she discovered the power of education as a tool of social justice and personal empowerment. She is excited to further her career in education and hopes to one day have a classroom of her own. Addie received her B.A. from Bates College with a major in Politics and double minor in Chinese and Women and Gender Studies. She is currently pursuing her Master's of Education and Elementary Teaching Credential at the University of San Francisco. In her spare time, Addie enjoys practicing and teaching yoga, hiking and exploring the gorgeous West Coast landscape.
Alexis Kelly, First Grade Teacher
Alexis moved to San Francisco from New England to join the OnePurpose team. She grew up in Boston and then moved to Vermont for college. Alexis received her B.S. from the University of Vermont where she majored in Elementary and Special Education. She is passionate about educating young students and helping them grow to love learning as much as she did in elementary school. When she is not at school you can likely find her on a sailboat in the Bay or exploring the city on her bike!
Samantha Kelly, First Grade Teacher
Samantha is a Bay Area native. She grew up in Marin County before venturing over to the East Bay for school. She received a B.A. in Liberal and Civic Studies and Master's Degree in Education from Saint Mary’s College of California. Her studies focused on social justice in elementary schools, leading her to recognize that education is truly the best way to create change within our world. She is passionate about creating a positive, safe, and loving environment for her students.
Dylan Meyers, Second Grade Teacher
Dylan hails from the San Francisco Peninsula. She received a B.A. in Economics with a minor in Political Science from the University of Michigan - Ann Arbor before returning home to join the OnePurpose family. She is passionate about fixing the achievement gap and fighting for the rights and opportunities of all children. Outside the classroom, you can likely find Dylan reading, trying a new restaurant, or hiking a Bay Area trail.
Raquel Monge, Skills Coach
Raquel is a San Francisco native and strong advocate for social justice and equitable education. She earned her B.A. in Psychology and Sociology at the University of California, Davis and is currently pursuing her Master of Social Work degree from USC. Raquel has been working for the Seneca Family of Agencies for one year, and is serving as a Skills Coach on the OnePurpose team this school year. She is looking forward to building relationships with all OnePurpose families!
Sabiá Pinheiro, Physical Education Teacher
Sabiá is a dancer, capoeira practitioner, and teacher. He brings extensive understanding and knowledge of adolescent mediation and conflict management. His goal is to empower people to question and explore methods of artistic expression through Capoeira Arts. Currently, Sabiá teaches capoeira and dance folklore at Destiny Arts Center in Oakland. Previously, Sabiá taught in the Dance Departments at Bard College and NYU as an Adjunct Professor, as well as teaching Capoeira Arts and PE at KIPP AMP Middle School in Brooklyn. Fluent in Spanish and Portuguese, Sabiá is a native of Bahia, Brazil. He is a graduate of the Instituto Salvador de Ensino Cultura in Bahia.
Alaniz Quiroz, Drills Coach
Alaniz is a fourth year transfer student studying Psychology at San Francisco State University. She is originally from Los Angeles, but has felt right at home in the Bay Area. Alaniz hopes to give students the tools they need to navigate as well as positively impact an ever-changing world, while also instilling the seeds of confidence and self reliance.
Andrea Renton, Second Grade Teacher
Andrea is a Bay Area native who grew up in Pleasanton. She loves making people laugh and seeks for everyone to feel accepted and loved. She fell in love with teaching as a preschool teacher, but quickly moved to elementary school as she was motivated to be a part of children's academic journeys. Andrea is looking forward to building a nurturing and creative classroom that focuses on social and emotional growth as well as rigor academia. Andrea is passionate about instructing hands-on and using innovative lessons that allow students to be interactive. She earned her Master's Degree in Education Best Practices from National University.
Sofia Sanchez, Spanish Teacher and Lead Drills Coach
Sofia has been passionate about helping youth since she was fourteen. A San Francisco native, born and raised in the Mission District, she started working at the Mission Neighborhood Health Center as a teenager and fell in love with educating youth. This will be her third year teaching at OnePurpose School. Before starting at OnePurpose, she worked for five years at Up On Top after-school and summer programming creating fun, educational and engaging activities for students in the Tenderloin. She graduated from Sacramento State University with a double major in Recreation, Parks and Tourism Administration and Women's Studies. Her commitment to empowering youth of color from low-income communities and creating social change is her personal and professional mission in life.
Joe Steinberger, Development and Enrollment Associate
A native of San Diego, Joe has worked in fundraising for the past five years. Most recently, he was the fundraising director for the Yes on 62 statewide ballot initiative campaign in California and was the Development Associate for Death Penalty Focus in San Francisco. Prior to that he worked in politics, raising money for local, statewide and federal elected officials. Joe received his B.A. in Communications from the University of California, San Diego.
Daniel McLaughlin, Founder and CEO from 2015 - 2018
Antonio Tapia, Founding Principal from 2015 - 2018