Pairings and tee times have been released:
https://www.pgatour.com/news/2019/06/06/tee-times-2019-us-open-thursday-friday-round-1-2-pebble-beach.html
Tiger is playing with Spieth and Rose.
Other featured groupings: Mickelson, DJ and Graeme McDowell (he won the US Open the last time it was played at Pebble); Rory, Rahm and Lieshman; Koepka (reigning US Open Champ), Molinari (reigning British Open Champ), Victor Hovland (reigning US Am Champ - played at Pebble); Webb, Adam Scott and Kuchar.
FWIW, Cameron Young has not declared pro yet; he is playing with Swedish golfer Marcus Kinhult and PGA golfer Brian Stuard.