---
title: "Alex Koutmos · Elixir Community"
description: "Alex wrote the Elixir Patterns book and maintains PromEx, a library for Prometheus metrics in Elixir apps."
url: https://elixir.community/people/alex-koutmos/
---

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![Alex Koutmos](https://elixir.community/_astro/alex-koutmos.BLgAjHvQ_Z1Yc2S4.webp)

# Alex Koutmos

Author of Elixir Patterns

-   [GitHub](https://github.com/akoutmos)
-   [akoutmos.com](https://akoutmos.com/)
-   [Twitter](https://x.com/akoutmos)
-   [Bluesky](https://bsky.app/profile/akoutmos.bsky.social)
-   [LinkedIn](https://www.linkedin.com/in/alex-koutmos-b8b2bb93)

> Alex wrote the Elixir Patterns book and maintains PromEx, a library for Prometheus metrics in Elixir apps.

Alex wrote Elixir Patterns, a practical handbook for developers working with the BEAM. Its examples connect core language techniques with the patterns used to structure and operate Elixir applications.

## Known for

-   [**PromEx** · github.com](https://github.com/akoutmos/prom_ex)

## Talks

-   42 min
    
    Code BEAM V America 2021 · Mar 10, 2021
    
    ### [BEAM + Prometheus + Grafana = Observability Heaven](https://www.youtube.com/watch?v=0SkVsUdUutE)
    
    Instrumenting BEAM applications with PromEx, Prometheus and Grafana.
    
    [Alex Koutmos](https://elixir.community/people/alex-koutmos)
    

[More talks ](https://elixir.community/youtube#talks)

## Podcasts

-   [**BEAM Radio** · beamrad.io](https://www.beamrad.io/)

## Books

- [Build a Weather Station with Elixir and Nerves · Alexander Koutmos, Bruce A. Tate, Frank Hunleth](https://pragprog.com/titles/passweather/build-a-weather-station-with-elixir-and-nerves/)
- [Elixir Patterns · Alexander Koutmos](https://pragprog.com/titles/d-akelixir/elixir-patterns/)

Profile last updated October 7, 2026

## More people

-   [Bruce Tate · Author and educator, Groxio](https://elixir.community/people/bruce-tate)
-   [Frank Hunleth · Nerves core team](https://elixir.community/people/frank-hunleth)
-   [Lars Wikman · Writer at Underjord, Goatmire organiser](https://elixir.community/people/lars-wikman)

[Everyone ](https://elixir.community/people)

Meet someone new from the community, now and then.