Improve formatting and update speaker image

Added line breaks for better formatting and updated Ayodeji Ogundare's image.

Author: rrrutledge

content/en/events/isc-2025.md

@@ -72,9 +72,10 @@ This year’s Summit brings together the very best InnerSourcerers from across t
 With in-person presentations in Yokohama, Berlin, and New York, alongside contributions from online speakers worldwide, this is a truly global gathering. Together, our speakers will share their expertise, stories, and visions for the future of InnerSource—making this 10-year anniversary Summit one to remember.
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 ### Keynote speakers
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@@ -113,10 +114,12 @@ Olivia has been building machine learning and natural language processing models
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 ### Speaker Bios
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 <img alt="Ana Gamito photo" src="/images/events/speakers/Summit 2025/Ana gamito.png" width="200" class="speaker-photo" id="Ana_Gamito" />
@@ -130,7 +133,7 @@ Ana Gamito is Open Source Program Officer at AXA, leading the strategy and imple
 
 
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-<img alt="Ayodeji Ogundare photo" src="/images/events/speakers/Summit 2025/Ayodeji Ogundare.jpeg" width="200" class="speaker-photo" id="Ayodeji_Ogundare" />
+<img alt="Ayodeji Ogundare photo" src="/images/events/speakers/Summit 2025/White_Square.png" width="200" class="speaker-photo" id="Ayodeji_Ogundare" />
 
 
 **Ayodeji Ogundare** (InnerSource by Design: Scaling Internal Collaboration with Open Source Operating Models)