There's video of his announcement.
https://www.cnbc.com/2025/05/03/warren-buffett-to-ask-board-...
On one hand, he doesn't sound that great (in terms of subtle overall health markers in his voice) when he talks.
On the other hand, he's 94 and most people (especially men) don't make it into their 90s, so...
comparing the video to 2024, he sounded similar to last year. not much of a difference