Maintainers

Subsystem ownership reconciled from MAINTAINERS.md, CODEOWNERS, and recent git history. Bot accounts are excluded from the recent-contributor column.

General maintainers

These cover the whole repository:

Name	Handle
Bryan Boreham	@bboreham
Ayoub Mrini	@machine424
Julien Pivotto	@roidelapluie
György Krajcsovits	@krajorama
Bartłomiej Płotka	@bwplotka
Arve Knudsen	@aknuds1

The @prometheus/default-maintainers GitHub team contains all of the above and is the catch-all in CODEOWNERS.

Per-subsystem owners

Subsystem	Official owners (CODEOWNERS / MAINTAINERS.md)	Recent contributors (git log, 90 days)
Makefile and build configuration	@simonpasquier, @SuperQ	SuperQ, simonpasquier
cmd/promtool	@dgl	dgl, roidelapluie
documentation/prometheus-mixin	@metalmatze	metalmatze
model/histogram	@beorn7, @krajorama	krajorama, beorn7
web/ui	@juliusv	juliusv (the most active UI committer)
web/ui/module	@juliusv, @nexucis	nexucis
promql	@roidelapluie	roidelapluie, codesome, krajorama
storage/remote	@cstyan, @bwplotka, @tomwilkie, @alexgreenbank	cstyan, bwplotka, alexgreenbank
storage/remote/otlptranslator	@aknuds1, @jesusvazquez, @ArthurSens	ArthurSens, aknuds1
tsdb	@jesusvazquez, @codesome, @bwplotka, @krajorama	jesusvazquez, codesome, bwplotka
tsdb/agent	@jesusvazquez, @codesome, @bwplotka, @krajorama, @kgeckhart	kgeckhart, jesusvazquez
discovery/kubernetes	@brancz, @rexagod	rexagod
discovery/stackit	@jkroepke	jkroepke
discovery/aws	@matt-gp, @sysadmind	sysadmind
discovery/consul	@mrvarmazyar	mrvarmazyar
discovery/hetzner	@jooola, @apricote	apricote
discovery/scaleway	@remyleone	remyleone

v3 release coordinators

Listed in MAINTAINERS.md:

• Alex Greenbank (@alexgreenbank)
• Carrie Edwards (@carrieedwards)
• Fiona Liao (@fionaliao)
• Jan Fajerski (@jan--f)
• Jesús Vázquez (@jesusvazquez)
• Nico Pazos (@npazosmendez)
• Owen Williams (@ywwg)
• Tom Braack (@sh0rez)

The role rotates per release; whoever volunteers in the "Volunteer to shepherd v3.x.0" PR is the coordinator for that cycle. Process: RELEASE.md.

Top recent committers (last 90 days)

By commit count, excluding bots:

1. Julien Pivotto (Julien) — combined 153 commits.
2. Bartłomiej Płotka — 47 + 15 (separate author entries) ≈ 62.
3. Julius Volz — 27.
4. Ganesh Vernekar — 26.
5. György Krajcsovits — 24 + 15 ≈ 39.
6. Bryan Boreham — 24.
7. Linas Medziunas — 18.
8. Arve Knudsen — 15.
9. Ben Kochie — 13.
10. Kyle Eckhart — 12.
11. Carrie Edwards — 11.

Communication

• Mailing list: prometheus-developers@googlegroups.com.
• IRC / Matrix: #prometheus-dev on Libera Chat / Element.
• Issues: https://github.com/prometheus/prometheus/issues.
• Security: prometheus-team@googlegroups.com (see SECURITY.md).

This list will go stale; the MAINTAINERS.md file in the main branch is always the source of truth.