top of page



Holding a Bachelor of Arts in Child and Adolescent Development with a concentration in School Age Child and Family, and a minor in Mathematics from San Francisco State University, Tiffany's educational foundation is both rich and diverse. She began her journey in education at Kumon, facilitating students in mathematics. Later, she played an instrumental role at Johns Hopkins Center for Talented Youths, leading and organizing activities while also assisting with the Physics of Engineering class. Her passion for math led her to teach at San Francisco Math Circle during her college years, where she presented mathematical concepts through engaging games. Tiffany's skill set includes a deep understanding of child development, proficiency in lesson planning, and certifications in first aid and CPR. Beyond her professional realm, Tiffany relishes watching movies, designing stickers, and journeying to new places. She believes in nurturing creativity and critical thinking in her students, guiding them towards achieving their best potential.


A lifelong member of the Happy Hall family, Ambrose graduated with an AA in History. From being a student at Happy Hall to volunteering during his teenage years, he officially joined the team in 2021. With strengths in classroom management, parent-teacher communication, and early child development, Ambrose is also CPR certified. Off duty, he delves into hiking, indulges in metal music, and enjoys DnD, history, basketball, and drawing.


Isaiah, a graduate with a BA in Psychology from California State University Fullerton, formerly served as an after-school teacher in Orange County. His experiences extend from managing student conflicts to collaborating with parents and peers. Outside the classroom, Isaiah enjoys basketball, beach trips, and Disney adventures, living by the motto, "The only easy day was yesterday".

Lead Teacher

Jules graduated Summa Cum Laude with a BA in Sociology from San Jose State University. Prior to joining Green Hills, she tutored English at the Skyline College Learning Center. Passionate about community service, Jules volunteers at her church's children's worship service organization and enjoys gaming and spending time with friends.


With a Bachelor of Arts in Urban Studies and Planning from San Francisco State University, Bayilani brings over a decade of childcare experience to our afterschool program. Fluent in Spanish and proficient in Microsoft Office, Bayilani excels in program management and parent-teacher communication. Outside of work, Bayilani enjoys playing guitar and piano, as well as engaging in drawing, painting, photography, and Muay Thai classes.


Loraine has over 15 years of customer service experience, sharpening her communication skills throughout her career. Having dedicated 13 years as a full-time mother, she brings a wealth of hands-on experience in child-rearing to the team. Loraine's downtime often involves crafty adventures or live shows with her beloved daughter.


Alexandra, a student at Skyline College, has a background in coaching soccer for young children and teaching swimming at La Petite Baleen. Her diverse experiences also include serving as a barista at Caffee Roma. Outside of work, she relishes beach trips, playing soccer, and snowboarding.


Charisma, with a background in Child Development from Skyline College, has experience teaching at Building Kids Preschool and assisting at Temporary Tot Tending. Specializing in early childhood development, she has a flair for creating curriculum and leading interactive sessions. Outside of work, Charisma loves dining out, pilates, and spending quality time with loved ones.


Currently a senior at UC Berkeley pursuing degrees in Data Science and Cognitive Science, Nadia brings extensive teaching experience to our afterschool program. With six years of private tutoring across various subjects and age groups, including elementary to college levels, Nadia excels in customizing instruction to meet individual learning needs. Her role on the computer science course staff at UC Berkeley enriched her teaching skills and content development abilities. Nadia's expertise includes lesson planning, curriculum development, and effective parent-teacher communication. She also possesses knowledge in early childhood development from her coursework at UC Berkeley. In her spare time, Nadia enjoys exercise and reading.

bottom of page