Add lightning talk for lightweight forks

Change-Id: Ib965f021d563655cf814c4d96af42c7d25ac2489
diff --git a/lightning-talks/lightweight-forks.md b/lightning-talks/lightweight-forks.md
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+# Lightweight Forks
+
+Git supports the concept of alternate object databases. Compared to other
+products, Gerrit currently does not offer users to fork a repository.
+
+The use cases for forks could be manifold: From personal workspaces to
+eventually supporting pull requests. More generally: A place where one
+can use all of the upstream data, yet, doesn't pollute the upstream repo
+with unfinished work.
+
+In this lightning talk I'll go over some CUJs and talk about technical
+background.
+
+*[Patrick Hiesel, Google](../speakers.md#hiesel)*
diff --git a/schedule.md b/schedule.md
index 582177b..9a9b5ca 100644
--- a/schedule.md
+++ b/schedule.md
@@ -53,5 +53,5 @@
 | 12:45     |           | Lunch & Networking
 | 14:00     |           | [Gerrit on Kubernetes](sessions/k8s-gerrit.md)
 | 14:45     |           | [Using GPT for Code Review on Gerrit](lightning-talks/gpt-for-gerrit.md)
-| 15:00     |           | *TALK AVAILABLE - Sweden*
+| 15:00     |           | [Lightweight Forks](lightning-talks/lightweight-forks.md)
 | 16:00     |           | End of the Summit - Sweden
diff --git a/speakers.md b/speakers.md
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 tech lead at the smart hardware company, Superhexa. He previously worked at
 Xiaomi for 10 years.
 
-[Github](https://github.com/xielong)
\ No newline at end of file
+[Github](https://github.com/xielong)
+
+### Patrick Hiesel - Google {#hiesel}
+
+Patrick joined Google and the Gerrit project in 2016, working primarily on the
+backend. Since then, he has worked on making Gerrit faster, and more stable as
+well as different features, including Submit Requirements.
+
+He is a Gerrit maintainer and a member of the Engineering Steering Committee.