Reformed Japan

Missionaries & partner churches.

We do not work alone. Every trip, plant, and outreach is rooted in long-standing partnership with Japanese pastors, the churches that send us, and the missionaries who carry the daily work.

06 families on the field

Pastors, planters, and translators sent and supported by our network.

01 / 06Daniel portrait
Church PlanterSent 2019

Daniel & Mari Tanaka

Setagaya, Tokyo

Daniel and Mari serve as church planters with Grace Bible Church Setagaya, leading neighborhood evangelism and the Sunday-evening English-conversation outreach. They have three children and have been on the field since 2019.

Support DanielExternal ↗
02 / 06Hiroshi Okada portrait
Pastor & TrainerSent 2012

Pastor Hiroshi Okada

Yokohama

Hiroshi pastors Yokohama Reformed Fellowship and trains a cohort of four church-planting interns across the Kantō region. He preaches weekly, teaches at Pacific Reformed Seminary, and oversees pastoral exchanges with North American partner churches.

Support Hiroshi OkadaExternal ↗
03 / 06Stephen portrait
Campus MissionariesSent 2021

Stephen & Anna van der Berg

Sapporo, Hokkaidō

Stephen and Anna lead the Hokkaidō Reformed Student Center, hosting weekly Bible studies and one-on-one discipleship with university students in Sapporo. Stephen translates Reformed catechetical material into Japanese on the side.

Support StephenExternal ↗
04 / 06Joseph Kimura portrait
Church PlanterSent 2023

Pastor Joseph Kimura

Fukuoka, Kyūshū

Joseph planted Hakata Reformed Fellowship in 2025 after a decade as an associate pastor in Tokyo. He preaches, leads inquirer's class, and disciples a small core of believers in one of Kyūshū's least-reached neighborhoods.

Support Joseph KimuraExternal ↗
05 / 06Esther Park portrait
Translator & EditorSent 2017

Esther Park

Tokyo

Esther serves with Covenant Theological Press Japan, translating Reformed confessional works and editing Japanese-language theological resources for pastors and lay readers across the country.

Support Esther ParkExternal ↗
06 / 06Mark portrait
Cohort CoordinatorsSent 2020

Mark & Yuko Watanabe

Osaka & Kobe

Mark and Yuko coordinate the Kansai Church-Planting Cohort — four plants across Osaka and Kobe — providing administrative, pastoral, and hospitality support to the planting families.

Support MarkExternal ↗
10 congregations & ministries

Congregations, plants, and ministries we labor alongside.

Partner Church01 / 10
Grace Bible Church Setagaya
Tokyo
Partner Church02 / 10
Yokohama Reformed Fellowship
Yokohama
Partner Church03 / 10
Kichijōji Gospel Mission
Tokyo
Partner Church04 / 10
Sakae Gospel Chapel
Nagoya
Church Plant05 / 10
Hakata Reformed Fellowship
Fukuoka
Campus Ministry06 / 10
Hokkaidō Reformed Student Center
Sapporo
Campus Ministry07 / 10
Kyoto Reformed Student Center
Kyoto
Network08 / 10
Kansai Church-Planting Cohort
Osaka
Publishing09 / 10
Covenant Theological Press Japan
Tokyo
Seminary10 / 10
Pacific Reformed Seminary
Tokyo