diff --git a/src/developers.md b/src/developers.md
index 1da8415..63f5c3d 100644
--- a/src/developers.md
+++ b/src/developers.md
@@ -4,4 +4,22 @@
 
 # Areas of expertise
 
+## Base Julia
+
+- **Sorting:** Lilith Hafner (`@LilithHafner`)
+
+## Standard Library
+
+- `JuliaSyntaxHighlighting`: Timothy (`@tecosaur`)
+- `JuliaSyntax`: Claire Foster (`@c42f`)
+- `LinearAlgebra`: Daniel Karrasch (`@dkarrasch`)
+- `SparseArrays`: Daniel Karrasch (`@dkarrasch`)
+- `StyledStrings`: Timothy (`@tecosaur`)
+
+##  Other
+
+- **Continuous Integration (CI):** Dilum Aluthge (`@DilumAluthge`)
+- **BuildKite:** Dilum Aluthge (`@DilumAluthge`)
+- **Juliaup:** David Anthoff (`@davidanthoff`)
+
 # Becoming a core developer