What We Do
Our Big Ideas
Guided by behavior economics and human-centered design, CHSI creates, tests, and evaluates innovative solutions to development issues.

We ask
"Why?"

We make simple
solutions work.
Why do teen girls get pregnant at age 17?
You-for-You (U4U)
Teen Trail
An interactive exhibit about puberty, sexuality, romance, and the dangers of teen pregnancy. Teens go through games facilitated by peer educators, instead of sitting passively listening to hour-long talks. Self-respect is key to better teen health, hence the campaign is called U4U.
Why are houses in rural villages without toilets?
"Goodbye, Dumi! Hello, Healthy! "
A musical play performed by young artists in a community about a fly falling in love with a stump of feces. The play is part of “Goodbye, Dumi! Hello, Healthy!”
Why can’t teachers talk confidently about sexuality?
Comprehensive Sexuality Education
In 2016, CHSI and the United Nations Population Fund (UNFPA) worked with the Department of Education (DepEd) to test the readiness of schoolteachers and principals to implement a comprehensive sexuality education (CSE) program.
Why are young girls scared of their period?
#MeronAko
With the support of the United Nations Children’s Fund (UNICEF), CHSI designed and implemented #MeronAko for the Department of Education.
Why don’t people with TB finish their treatment?
IngaTBaga
#ingaTBaga is a health promotion campaign, designed by CHSI Philippines, Inc. (CHSI) for the Olongapo City Health Department to find, treat, and prevent as many TB cases as possible.
We ask
"Why?"
