About the author

Meet Cesily Rosario

Portrait of Cesily Rosario

Cesily Rosario is an educator and advocate for whole-child development. Her work centers on nurturing kindness, resilience, and community awareness in young learners.

With years of experience in the New York City public school system, Cesily has taught diverse learners in both general education and special education settings. She has supported children with a wide range of academic, developmental, and behavioral needs, specializing in promoting positive behavioral development and strengthening social-emotional skills. Her work helps children build confidence, self-awareness, and meaningful connections with others.

In addition to her work in public education, Cesily owned and operated a learning center for toddlers in New York City, where she created nurturing, developmentally appropriate environments focused on early learning, social-emotional growth, and positive behavior guidance.

Cesily holds a Bachelor’s degree in Communication and a Master’s degree in Curriculum, Instruction, and Assessment. Her educational background, combined with a deep passion for emotional wellness, shapes her storytelling.

Our mission

To help children grow strong — together.

Through her work, Cesily has seen firsthand how powerful simple acts of compassion can be in shaping a child’s growth and sense of belonging. Her books are thoughtfully designed to help children understand:

The value of kindness

Every story invites children to practice care in small, everyday ways.

The importance of teamwork

Children learn they belong, and that belonging makes them stronger.

The beauty of differences

Each child is encouraged to honor who they are and who others are too.

The strength within themselves

Affirmations that help children stand proudly in their own light.

Cesily writes to inspire children to grow not only academically, but also emotionally and socially, empowering them to become confident, compassionate, and self-aware individuals. Through meaningful, heart-centered stories, she inspires kindness, confidence, cooperation, and emotional resilience in young children.

A glimpse of the mission

Watch We Are Strong Together

Trailer still from We Are Strong Together 1:00