Updating training activity conveners (#1642)

Also adding former conveners at the bottom and reorganizing the list.

Author: michmx

_activities/training.md

@@ -141,18 +141,20 @@ We are always looking for volunteers from the community to help us with our trai
 {% endif %}
 ## Conveners
 
-{% assign persons = "Alexander Moreno Briceño, Lera Lukashenko, Jim Pivarski, Holly Szumila-Vance" | split: ", " %}
+{% assign persons = "Alexander Moreno Briceño, Lera Lukashenko, Richa Sharma, Michel Hernandez Villanueva" | split: ", " %}
 {% include list_of_selected_profiles.html %}
 
-The conveners can be [reached by email](mailto:alexander.moreno@uan.edu.co,valeriia.lukashenko@cern.ch,pivarski@princeton.edu,hszumila@jlab.org). <!-- markdown-link-check-disable-line -->
+The conveners can be [reached by email](mailto:alexander.moreno@uan.edu.co,valeriia.lukashenko@cern.ch,richa.sharma@cern.ch,mhernande1@bnl.gov). <!-- markdown-link-check-disable-line -->
 
 ### Former Conveners:
 
+- Jim Pivarski (CMS and IRIS-HEP, Princeton), 2024
+- Holly Szumila-Vance (Jefferson Lab), 2024
+- Wouter Deconinck (Jefferson Lab), 2022 - 2023
+- Kilian Lieret (Princeton), 2020 - 2023
+- Jason Veatch (California State University), 2023
 - Sudhir Malik (CMS, University of Puerto Rico), 2018-2022
-- Michel Hernandez Villanueva (Belle II, DESY), 2021-2022
-- Dario Menasce (INFN Milano), 2016-2019
-- Sam Meehan (CERN, ATLAS and FASER), 2020
 - Meirin Oan Evans (ATLAS), 2021
-- Wouter Deconinck
-- Kilian Lieret
-- Jason Veatch
+- Sam Meehan (CERN, ATLAS and FASER), 2020
+- Dario Menasce (INFN Milano), 2016-2019
+