Ruby sponsors

Platinum sponsors

Reception sponsors

Reception Sponsor will cover the expenses of having a reception party in the on the first night.

Nursery sponsors

Nursery Sponsor will cover the expenses of providing the free childcare service for RubyWorld Conference 2019 attendees.

Gold sponsors

Silver sponsors

Coffee Sponsor

Coffee is provided by a sponsor of "Classi Corp." during the break time. Please give your attention to the original cups with their company Logo.

RubyWorld Conference 2019