Background

He was born on 27 December 1983 in Virginia, Saint Louis County, United States of America.

Education

The College of Saint Scholastica (Bachelor of Surgery, 2006) Halfaker earned a Doctor of Philosophy in computer science from the GroupLens research lab at the University of Minnesota in 2013.

Career

He is known for his research on Wikipedia and the decrease in the number of active editors of the site. He has said that Wikipedia began a "decline phase&quot. Around 2007 and has continued to decline since then

Halfaker has also studied automated accounts on Wikipedia, known as "bots", and the way they affect new contributors to the site.

He has also built an artificial intelligence engine known as "Objective Revision Evaluation Service&quot. (or ORES for short), used to identify vandalism on Wikipedia and distinguish it from good faith edits

Achievements

• He, along with Stuart Geiger, developed a tool for Wikipedia editing called "Snuggle", the goal of which is to eliminate vandalism and spam, and to also highlight constructive contributions by new editors.