Add sessions about the owners plugin improvement

Change-Id: Iaeb0c4aa25a9bd976e7c97159f05f0fa18df0245
diff --git a/schedule.md b/schedule.md
index 983b7c4..aad24b8 100644
--- a/schedule.md
+++ b/schedule.md
@@ -26,7 +26,7 @@
 |   11:45   |           | *TALK AVAILABLE - Sweden*
 |   12:45   |           | Lunch & Networking
 |   15:00   |           | *TALK AVAILABLE - Sweden*
-|   15:45   |           | *TALK AVAILABLE - Sweden*
+|   15:45   |           | [Make your owners rules faster](sessions/speed-up-owners.md)
 |   16:00   |           | Break & Networking
 |   17:00   |    08:00  | *TALK AVAILABLE - Sweden / USA(early attenders,
 breakfast with remote viewing of talk)*
diff --git a/sessions/speed-up-owners.md b/sessions/speed-up-owners.md
new file mode 100644
index 0000000..c8a5e62
--- /dev/null
+++ b/sessions/speed-up-owners.md
@@ -0,0 +1,11 @@
+# Make your owners rules faster
+
+The
+[owners plugin](https://gerrit.googlesource.com/plugins/owners)
+has a powerful engine to fine-grain certain files or directories
+gating, but it comes at a price.
+
+In this talk, I will explain the latest owners' plugin improvements
+and how your Gerrit projects could benefit from them.
+
+*[Jacek Centkowski, Unaffiliated](../speakers.md#jacek)*
diff --git a/speakers.md b/speakers.md
index a23cb0d..d498f0d 100644
--- a/speakers.md
+++ b/speakers.md
@@ -24,4 +24,12 @@
 Ph.D. research is making pragmatic improvements to the quality and efficiency of peer code
 review.
 
-[LinkedIn](https://www.linkedin.com/in/farshadkazemi/)
\ No newline at end of file
+[LinkedIn](https://www.linkedin.com/in/farshadkazemi/)
+
+### Jacek Centkowski - Unaffiliated {#jacek}
+
+Jacek Centkowski is a Gerrit contributor since 2013. He deepened his Gerrit knowledge and
+involvement and was trusted a maintainer in 2020. He has recently focused on
+[owners' plugin improvements](https://gerrit-review.googlesource.com/c/plugins/owners/+/373094/1).
+
+[LinkedIn](https://www.linkedin.com/in/jcentkowski/)
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