JUSTIN SMITH is a full-time Clojure developer who is active in the online Clojure community. His day job is 100% Clojure development.

ZUBAIR QURAISHI is a UX/Design and marketing hacker based in Denmark who has sold 2 startups and invested in over 30 startups over the last 20 years. He has been using Clojure and ClojureScript for the last 5 years. He has worked in many startups and Fortune 500 companies based in the United States, Europe, and Asia. You can find his blog is at www.zubairquraishi.com.

ALEX OTT is a software architect in Intel Security (formerly McAfee), based in Paderborn, Germany. He works in the area of information security and has been using Clojure since release 1.0 (2009) to build prototypes, internal services, and open source projects, like Incanter.

DOUG KNIGHT has been programming computers professionally for 18 years, using Microsoft technologies for most of that time. He switched to Ruby on Rails in 2014 when he joined LivingSocial, and in 2015 he added Clojure as part of his work for the company.