Update data analysis convenors for 2025 (#1697)

* update data analysis conveners for 2025

* Correct former converter years

Co-authored-by: Matthew Feickert <[email protected]>

---------

Co-authored-by: Graeme A Stewart <[email protected]>
Co-authored-by: Matthew Feickert <[email protected]>

Author: 3 people

_activities/dataanalysis.md

@@ -28,15 +28,17 @@ well-defined set of problems.
 
 ## Conveners 
 
+- Matthew Feickert, ATLAS and University of Wisconsin-Madison Data Science Institute
 - Jamie Gooding, LHCb and Technische Universität Dortmund
-- Alexander Held, ATLAS and University of Wisconsin–Madison
+- Luke Kreczko, CMS/LZ and University of Bristol
 - Nick Smith, CMS and Fermilab
 
-Contact the [convenors by email](mailto:[email protected],alexander.held@cern.ch,[email protected]) <!-- markdown-link-check-disable-line -->
+Contact the [convenors by email](mailto:[email protected],[email protected],kreczko@cern.ch,[email protected]) <!-- markdown-link-check-disable-line -->
 
 ### Former Convenors
 
-- Nicole Skidmore (LHCb), 2021-2024
+- Alexander Held (ATLAS), 2023-2024
+- Nicole Skidmore (LHCb), 2021-2023
 - Danilo Piparo (ROOT), 2019
 - Andrea Rizzi (CMS), 2019-2020
 - Paul Laycock (Belle II), 2019-2020