👋 About Me
Work & speaking
I’m a CPython Core Developer and Principal Software Engineer at Arm Ltd
I work in Arm’s Runtimes team, helping CPython and its ecosystem perform reliably on Arm platforms
I give talks about CPython internals, performance, and Python on Arm
Profile & links
I live in Cambridge, UK, and previously lived in Italy 
I speak Italian , Spanish 
, and English
Read my CV
Find me on LinkedIn, Bluesky, X, and Instagram
My blog is an archive; I stopped publishing there many years ago
Beyond work
I practice Wing Chun
I dance Cuban salsa
Pronouns: he/him/his
🎤 Conference Talks & Panels
2026
-
UNSa — Gobernanza y desarrollo de CPython · Spanish
YouTube · Slides · Demo code -
EuroPython — Update on the CPython JIT - What to Expect in 3.15
YouTube · Slides -
EuroPython — Python on WoA - Ecosystem Enablement Update
YouTube · Slides -
EuroPython — CPython Panel · Host
YouTube -
PyCon Italia — Keynote: From “Fast Enough” to “Fast by Design” - The Evolution of CPython Performance
YouTube · Slides -
Python SDQ, January Meetup — Python por dentro: personas, procesos, código · Spanish
YouTube · Slides
2025
-
EuroPython / PyCon UK — Exploring the CPython JIT
PyCon UK video · EuroPython video · Slides -
Microsoft Build — Run PyTorch natively on Windows on Arm using GitHub runners
YouTube · Session page
2023
🎧 Podcasts & Media
2026
-
Puentes Digitales (UNSa) — Programa 217 parte 2 · Spanish
Spotify
2025
-
Intervista Pythonista — Runtime e Interpreter con un Core Developer! #66 · Italian
YouTube · Spotify · Apple Podcasts
2024
-
Arm Innovation Coffee — GitHub Arm-hosted Runners with Larissa Fortuna and Diego Russo
YouTube
>>> import diegorusso as diegor
>>> diegor.profile()
DiegoRusso(
role='CPython Core Developer',
employer='Arm',
beyond_work=('Wing Chun', 'Cuban salsa'),
)
>>> diegor.smile()
'😄'