About : Team


Cow Hollow School thrives using a combination of professional educators and parent participation. Our strong administrative leadership determines, alongside the extremely qualified faculty (many holding graduate degrees in early childhood education) the curriculum of the school and oversees admissions and operations. Each family at Cow Hollow School shares talents, skills and enthusiasm in many ways—teaching in the classroom, helping with school activities, serving on committees, coordinating fund raising events, and so much more.


Darcy Campbell, School Director – Darcy has been directing at Cow Hollow School since 2002. Darcy has over 30 years of experience working with teachers, families and children in the Bay Area. She has more than 25 years of Site Administration experience and has taught and learned from children three months to twelve years old. She teaches early childhood and elementary education courses at San Francisco State University and conducts early childhood training and consultations with families, schools, and educational organizations throughout the Bay Area. She is a strong advocate for children and specializes in reflective, responsive, collaborative teaching and parenting practices. She is an active member of and presenter for the National Association for the Education of Young Children. Darcy holds a graduate degree in early childhood development. ([email protected])

Trevor Valentino, Assistant Director – Trevor has been teaching at Cow Hollow School since 2007. Trevor received his B.A. in African American Studies and English at the University of California, Berkeley. He later received an M.A. in early child education from San Francisco State University where he wrote about his collaborative experience with teachers in Kenya.  He comes from a strong constructivist perspective which endorses an emergent curriculum, child-centered approach to education. He is interested in inclusive early childhood programs and the effects such programs have on children’s social consciousness development.  He is currently studying how to support teacher collaboration within early child education settings. Trevor is also the Summer Program Coordinator which he has helped run for the last three years and part time Assistant Director during the school year.([email protected])

photo 4 Leslie Norris, Office Administrator and Director of Admissions– Leslie joined the Cow Hollow School community in 2004 as a parent. Since then, two of her children have graduated from Cow Hollow School with one interning during the CHS Summer Program. Leslie has served on the Parent Association and Cow Hollow School Board as Director of Community Enrichment and Visibility. Leslie began working as the school office administrator and admissions director in 2009. Leslie has taught at Mary Meta Lazarus Child Development Center at the College of San Mateo and The Lyceé Francais in San Francisco. She received her Masters in Early Childhood Education and California Teaching credential from Mills College. ([email protected])


Tim Peak has been teaching at Cow Hollow School since 2011. He graduated from the University of Wisconsin, Whitewater with a dual bachelors focusing on Early Childhood Education and Early Childhood Special Education. He has known since he was very young that he wanted to spend his life teaching and officially started working with children at sixteen. He has worked in a variety of educational setting, including most recently the University of California, Berkeley in their Early Childhood Program and then as a nanny. Tim continue his lifelong journey of teaching and learning, believing that working with young children is the best way to never forget about your own inner child. ([email protected])

  Cheyenne Nakatani– Cheyenne received her Bachelor’s degree of Child and Adolescent Development from San Francisco State University in 2017. Her focus is early childhood education and will be pursuing a Master’s in Early Childhood Education at San Francisco State University in the Fall of 2018. She has been working with children ages 2-5 for the past 4 years both typical and special needs. She’s been passionate about entering this field since high school and has been able to grow in her curiosity, enthusiasm, and passion ever since joining the SF community. She believes that every child is capable and competent and deserves to be guided, nurtured, and encouraged to develop critical thinking as a way to understand the world around them.
Jenna Betterly –  Jenna has been teaching at Cow Hollow School since 2008. She received a B.A. in Child Adolescent Development in (2009) and followed with a M.A. degree in Child and Adolescent Development with a concentration in Young Children and Families from San Francisco State University in (2012). Jenna is a strong advocate for a social constructivist education and seeks to guide children, families and teachers to be active participants within their communities. Jenna values the role nature plays both inside and outside of the classroom and continues to provide children opportunities to develop a strong relationship with the natural world.   
  Marissa Gray–  Marissa has been teaching at Cow Hollow School since 2017. She has seven years of experience in the Early Childhood Education field working with children ages 6 months to 6 years. In 2015 she received a Bachelor’s Degree in Elementary Education from the University of Southern Indiana. As a dedicated lifelong learner she returned to school at the University of San Francisco where she graduated with a Master’s Degree in International and Multicultural Education in 2016. Her research focused on developing multicultural curricula for early childhood classrooms with the objective of teaching students peace building skills.
Melissa Rivers –Melissa has been teaching at Cow Hollow School since 2008. She has been an early childhood educator for over 12 years. Melissa has worked with children ranging in ages from 6 months to 6 years old, as well as with intern teachers and alongside parents in the classroom. She received her BA in Child Development from Sacramento State University, and her MA in Education with a focus on Early Childhood Education from San Francisco State University. Melissa has experience conducting workshops for educators and parents with organizations including CAEYC and The Innovative Teacher Project. She has worked in a variety of settings including a University lab school, a parent-participation program, and a Reggio-Emilia inspired school. Melissa is a dedicated advocate for forming strong partnerships with parents and families of young children.  


  Mica Crittendon- Mica started working at Cow Hollow School in 2015. She has worked with young children 4 months to 5 years old for more than 8 years. From a very young age, Mica knew that working with children was her calling. While working towards furthering her education, she worked at a Child Study Center and also at an Arts Enrichment program in the East Bay. Mica received her Bachelor’s Degree in Child and Adolescent Development, with an emphasis in the young child, at San Francisco State University. She is currently enrolled in the Master’s Program also at San Francisco State University, and will receive her MA in Early Childhood Education in spring of 2015. Mica is inspired by children’s authenticity, curiosity, and innate ability to construct their own knowledge and she uses this as a driving force in partnering children and families. ([email protected]ol.org)
Molly Sosnaud– Molly has been an early childhood educator for over ten years, and began teaching at Cow Hollow in 2012. In addition to Cow Hollow, she has taught at a parent-teacher cooperative preschool, another Reggio Emilia inspired school, and a lab school. Molly received her B.A. in psychology and education from Wheaton College in Massachusetts, her M.A in Early Childhood Education from Mills College, and holds a California Child Development Program Director Permit. While at Mills, Molly wrote her Master’s thesis on educators’ use of pedagogical documentation in a Reggio Emilia inspired preschool. Molly has presented at three Innovative Teachers Project Roundtables: “Global Citizenship and Social Justice as Values in Reggio Inspired Schools” and “Inviting Dialogue with Families,” and “The Image of the Child through the Lens of the Five Senses: Belonging, Influence, Competence, Usefulness and Respect.”  She enjoys building relationships with other educators, families, and children and is thrilled to be at Cow Hollow.

 Kelsey Henning- Kelsey began at Cow Hollow School in 2017 as our Support Teacher and Art in Action teacher. Kelsey has said that ever since she was a young girl, she knew that she wanted to work with children. She enjoys watching how young children use their imaginations to discover the world around them and is fascinated with the way children investigate the natural environment. Kelsey graduated from San Francisco State University with a B.A. in Child and Adolescent Development with a concentration in Young Child and Family. Kelsey has worked with children ages 2 months to 8 years old for six years and continues to follow her passion of connecting children with nature. She is now currently enrolled in the M.A. program at San Francisco State University.
Patricia Phillips Photo   Patricia Phillips- Patricia began working at Cow Hollow School in the Spring of 2016. Patricia  was born and raised in Mexico City where she had a terrific childhood. She grew up speaking Spanish and French and traveling. After three years in Paris where she prepared for the Beaux Arts entry competition, she returned to America and earned a Bachelor in Fine Arts with emphasis in painting from the California College of Arts and Crafts. Becoming a parent inspired Patricia to become an early childhood educator. She likes to think that when Victoria, her oldest daughter started preschool, she too started preschool and embarked on a lifelong learning journey. She returned to college to study Early Childhood Education and obtained her Child Development Site Supervisor permit. Patricia feels very fortunate to work everyday in a field where nothing is ever the same, where children and adults alike are open to each day’s experiences, and eager to share what they learn.
   Katy DetrickKaty earned her B.A. in Early Childhood Education from San Francisco State University in Fall 2017. She has worked with children of all ages within various settings for over 7 years. Katy has a genuine passion for early childhood education and for creating strong relationships with children and their families. She is constantly inspired by the innate curiosity children have and feels grateful to be in a position to encourage it. After interning at Cow Hollow School in the spring and summer of 2017, she is excited to be back with the CHS team. 
Jamie Kelty, Teaching Artist – Jamie has been with Cow Hollow School since 2012 and has enjoyed the privilege of sharing art experiences with children since 1992. She works also as an assemblage/collage painter with a variety of mediums which translates well into exploring a multitude of materials with children. She received her B.F.A. in painting and her K-12 art teaching certificate from Fort Hays State University in Kansas. Jamie taught art in schools in Kansas, Missouri, and New York City.  She worked at the The Children’s Museum of the Arts in New York teaching in public programs and in schools, creating programming, and managing the Fine Arts Studio teaching artists. Jamie regularly presents studio workshops for parents and educators through The COLLABORATORY at Cow Hollow School and The Innovative Teacher Project in San Francisco.
NinaSaraceno (1) Nina Saraceno, Movement specialist- Nina began her dance training at age four with the Ana Roje School of Ballet.  She also studied and performed as a fourth generation Isadora Duncan dancer with Sylvia Gold and Dicki Johnson Macy.  She eventually went on to teach Duncan technique and repertory to children and adults. As a late teen, she designed and implemented a creative movement program for 5-12 year-olds at Running Brook Day Camp in Waltham, MA. Nina performed professionally with the Boston Dance Company during high school then received her bachelor’s degree in Dance and Psychology from Skidmore College in 2003.  These degrees were put to use in the Boston area with Project Joy and Boston Children’s Foundation’s Rainbow Dance program. She co-developed and led therapeutic playgroups and dance classes in a number of Boston area preschools and Head Start centers.  These programs used music, movement, yoga and imaginative play to promote self-esteem, self-expression, mind-body cohesion and social awareness. She also continued her dance career performing with Anna Myer and Dancers of Boston 2003-2008.  She danced with Ariel Rivka Dance while living in NYC and is a current member of Palanza Dance in San Francisco. She has also participated in projects with Garrett & Moulton Productions, Project Tremolo, Interweave Dance Theatre, Commonwealth Shakespeare Company among others. Nina loves to teach and is fascinated by the human body, its capabilities, intelligence and expressive nature.



Teaching Parents – Parents in the Cow Hollow School Community teach in their child’s classroom alongside the teachers and are an integral part of the classroom community. Families in the two’s and three’s classes are scheduled for parent participation days once per month. Families in the four/five’s classes are scheduled for parent participation days 2-3 days per semester.

Parent Association – The Parent Association is committed to developing and strengthening the family-school partnership, and building a strong community to enhance the experience of all children. All CHS parents are members of the Parents’ Association. The Parent Association is led by a dedicated Executive Committee.

Room Parents – Room Parents serve as the liaison between, and partner with, their child’s class, teachers, and Director.