Our team


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Toshi Nakamura
Toshi Nakamura »
Co-Founder and CEO

Toshi co-founded Kopernik in 2010 to connect simple, life-changing technology with people in the last mile.

Ewa Wojkowska
Ewa Wojkowska »
Co-Founder and COO

Kopernik was born from Ewa's desire to more effectively address development issues.

Hiromi Tengeji
Hiromi Tengeji »
Japan Secretariat

Hiromi manages our Japan team, develops partnerships and donor relations, and hosts outreach events.

Tomo Hamakawa
Tomohiro Hamakawa »
Director of Strategic Initiatives

Tomo manages projects for Last Mile Consulting, our advisory services arm.

Sally Bolton
Sally Bolton »
Communications and Outreach

Sally likes to tell stories, and keeps ours lively through the blog and website. She was our Kopernik Fellow in Timor-Leste in 2011.

Takahito Tsunemi
Takahito Tsunemi »
Japan Secretariat

Taka takes care of our public relations, assists with the Japan office's administration, and manages Japanese translations.

Maria Mumpuni
Maria Mumpuni »
Trainer of Trainers

Maria has dedicated her contribution in trainings for years. Up to this date she has shared trainings in 20 last mile locations in 18 provinces all across Indonesia.

Ari Jayanti
Ni Nyoman Ari Jayanti »
Program Associate

Jayanti is supporting Kopernik for the Wonder Women East Indonesia project. With a degree in Public Health, she wants to empower the lives of women all across Indonesia.

 Mahyar Pulungan
Mahyar Pulungan »
Sales and Marketing Assistant

A natural people person, Pulungan uses his sales skills to great effect promoting clean cookstoves in North Sumatra.