Meet
the Secretariat.

OKIMUN is shaped by student leadership, academic guidance, and committee-level dais teams working in concert to uphold the standards of the conference. Together, they define the intellectual direction of the session, steward delegate experience, and ensure that each committee reflects the seriousness and credibility expected of OKIMUN.

VI Annual Session

Setting

Okinawa, Japan

Structure

Conference leadership, organizing structure, and committee dais teams.

Purpose

To deliver a serious, well-organized, and intellectually credible Model United Nations experience.

The Secretary-General
Leadership Core.

The secretary-general team sets the tone of the conference, oversees its institutional direction, and ensures that the standards of debate, delegate support, and conference execution remain aligned throughout the session.

HM

Secretary-General

Hatsune Muramatsu

OKIMUN VI Annual Session

Secretariat Leadership

As Secretary-General of OKIMUN VI, Hatsune Muramatsu leads the conference with a commitment to academic rigour, procedural integrity, and an inclusive delegate experience. Overseeing the secretariat and committee teams, she sets the direction of the session and ensures that the conference upholds the standards OKIMUN has established over six years.

RO

Secretary-General

Ren Otani

OKIMUN VI Annual Session

Secretariat Leadership

Ren Otani is a student leader, entrepreneur, and founder of Okinawa’s growing Model United Nations community. As the organizer of OKIMUN, he is dedicated to creating a platform where students can engage with global issues, develop advanced debate skills, and connect with like-minded peers from across the region. Ren is also the founder of Nexa AI, an education-focused startup working to bring personalized learning to schools through technology. With experience leading international collaborations, organizing large-scale conferences, and speaking on global stages, he is committed to empowering the next generation of globally minded youth from Okinawa and beyond.

The Student Team
Supporting the Session.

Beyond the secretary-general leadership, OKIMUN is supported by student organizers working across committee preparation, dais coordination, and conference operations. Their responsibilities differ by committee role, but together they form the broader operational backbone of the session.

Chair

Kai Harrison

UNICEF · Chair

Olivia Tsuchida

SPECPOL · Chair

Jesy Lu

ECOFIN · Chair

Vice-Chair

Ryusei Koyama

UNICEF · Vice-Chair

Kyara Shenk

SPECPOL · Vice-Chair

Kai Kobayashi

ECOFIN · Vice-Chair

Rapporteur

Haruto Takeda

ECOFIN · Rapporteur

Dais Teams
by Committee.

Each dais team is responsible for shaping the quality of debate, maintaining procedural clarity, and guiding delegates through the intellectual demands of its committee.

UNICEF · Specialized Agency

United Nations Children's Fund

Committee Topic

The Protection of Children in Armed Conflict: The Humanitarian Situation in Gaza

View Committee Page

Dais Team

KH

Kai Harrison

Chair

RK

Ryusei Koyama

Vice-Chair

SPECPOL · General Assembly

Special Political and Decolonization Committee

Committee Topic

Climate-Induced Migration: Legal Frameworks, Burden-Sharing, and the Rights of Displaced Populations

View Committee Page

Dais Team

OT

Olivia Tsuchida

Chair

KS

Kyara Shenk

Vice-Chair

ECOFIN · General Assembly

Economic and Financial Committee

Committee Topic

The Use of Economic Sanctions as a Means of Political Coercion: Scope, Accountability, and Reform

View Committee Page

Dais Team

JL

Jesy Lu

Chair

KK

Kai Kobayashi

Vice-Chair

HT

Haruto Takeda

Rapporteur