Charles Nutter

person 6 connections

Co-creator of JRuby. Full-time JVM/Ruby developer since 2006, originally hired by Sun Microsystems with his co-creator. For ~18 years JRuby development was sponsored by large companies; that corporate sponsorship ended in 2024. He now funds JRuby development through his own company, Headius Enterprises, which offers consulting, trials, migrations and upgrades for JRuby adopters. Also a long-time Ruby and JVM community member and prolific conference speaker.

years_on_jruby

person Charles Nutter

attended

wroclove.rb 2026 event

Louis directly addresses Charles ('Charles, if you're watching out there') during the talk, referencing his earlier day-one JRuby talk about Ractors vs JRuby performance.

person Charles Nutter

attended

RubyKaigi event

Flying to RubyKaigi straight after wroclove.rb 2026.

person Charles Nutter

authored

JRuby: Professional-Grade Ruby talk

Charles Nutter delivered the talk at wroclove.rb 2026.

person Charles Nutter

works_at

Headius Enterprises company

Founded Headius Enterprises, which now funds JRuby development.

role: founder

person Charles Nutter

works_at

Sun Microsystems company

Sun hired the original JRuby team around 2006.

role: JRuby developer since: 2006

person Charles Nutter

works_on

JRuby tool

Full-time JRuby developer since 2006 (20 years); now lead.

role: lead developer since: 2006

Provenance

Created: 2026-04-17 16:16 seed
Last updated in: JRuby: Professional-Grade Ruby — Charles Nutter at wroclo... 2026-04-22 08:41
Read by: 22 extractions