# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/ron-jeffries
# Generated: 2026-08-12T20:48:11.831Z

schema: https://schema.org/Person
url: "https://fame.am/person/ron-jeffries"
name: "Ron Jeffries"
slug: "ron-jeffries"
description: "Ron Jeffries is one of the three founders of the Extreme Programming (XP) software development methodology circa 1996, along with Kent Beck and Ward Cunningham. He was from 1996, an XP coach on the Chrysler Comprehensive Compensation System project, which was where XP was invented. He is an author of Extreme Programming Installed, the second book published about XP. He has also written Extreme Programming Adventures in C#. He is one of the 17 original signatories of the Agile Manifesto.In 2018, Jeffries advocated for abandoning what he termed “Dark Agile,” encouraging developers to return to the original values and mindset of Agile."
tagline: "American computer scientist"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Ron_Jeffries.jpg?width=1200"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Developers"
  slug: "developers"
profileType:
  name: "Developer"
  slug: "developer"
  entityType: "https://www.wikidata.org/entity/Q5482740"
birthDate: "1939-12-26"
livingStatus: "LIVING"
scores:
  popularity:           41.07
  momentum:             0
  historical:           7.012420000000001
  currentAttention:     0
  sourceConfidence:     50
  profileCompleteness:  75
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: 250
platforms:
  - platform:  "WEBSITE"
    url:       "http://www.XProgramming.com"
sources:
  - url: "https://mg.wikipedia.org/wiki/Ron_Jeffries"
    title: "Ron Jeffries"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%B1%D9%88%D9%86_%D8%AC%D9%8A%D9%81%D8%B1%D9%8A%D8%B2"
    title: "رون جيفريز"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%B1%D9%88%D9%86_%D8%AC%D9%8A%D9%81%D8%B1%D9%8A%D8%B2"
    title: "رون جيفريز"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Ron_Jeffries"
    title: "Ron Jeffries"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Ron_Jeffries"
    title: "Ron Jeffries"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Ron_Jeffries"
    title: "Ron Jeffries"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Ron_Jeffries"
    title: "Ron Jeffries"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Ron_Jeffries"
    title: "Ron Jeffries"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q92789"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump