The Chaingreen team


Our dedicated team of experienced professionals are always on the ball, utilizing their unique skills and passion to move the work of our organization forward. We’re always pushing ourselves to stay ahead of the curve and striving to perfect our programs. Meet some of our incredible leaders below.


Gary Guerassimov

Business Development

Gary is a serial entrepreneur with a trained eye for Unicorn-potential start-ups. With more than 20 years in the game, he has created more than a dozen sustainable businesses.

Nick Iliev

Exchange Listing & Compliance (Bulgaria)

Experienced, trustworthy, fun. These are just a few of the ways coworkers describe this invaluable member of our team. Nick has vast experience both in FinTech and compliance, making him an indispensable member of our team.


Mio Sukakura

Lead Developer (USA)

With us since our founding, Mio is one of our veteran team members. He brings his 10+  years of experience and skills to the forefront in helping the organization grow and succeed in developing sustainable and eco-responsible projects.

Yakoshiba Momiti

Core Developer (Japan)

Yakoshiba joined Chaingreen with the vision and drive to improve upon our mission to create low energy consumption and sustainable blockchain product. His passions include protecting the environment and building awesome software products.


Nasakoto Y.

Strategy & Marketing (Singapore)

Nasakoto is truly a professional, who has found its purpose with Chaingreen. Supporting multiple environmental causes as well as developing kick-ass marketing strategies, Nasakoto is a lead member of our team.