<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en"><generator uri="https://jekyllrb.com/" version="4.4.1">Jekyll</generator><link href="https://realzst.github.io/feed.xml" rel="self" type="application/atom+xml" /><link href="https://realzst.github.io/" rel="alternate" type="text/html" hreflang="en" /><updated>2026-04-23T20:53:11+00:00</updated><id>https://realzst.github.io/feed.xml</id><title type="html">Sitong Zhang</title><subtitle>Postdoc at Aalto working on runtime systems for distributed RL and LLM post-training. Background in deep RL. Open-source side projects around AI coding agents and personal audio pipelines.
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