For starters-
Avril Haines (who is now Director of National Intelligence under Biden, and who was former CIA deputy director and former national security adviser to President Barack Obama) was at the 2023 World Economic Forum
Download Attendee Lists of World Economic Forum 2023:
1) “List of public figures” (Download: 12 pages) | (Alt Link)
“World Economic Forum Annual Meeting, 16 – 20 January 2023”
2) “List of Participants” (Download: 79 pages)
“World Economic Forum Annaul Meeting, 16-20 January 2023