Exeter University student Luke Treharne is the surprise inclusion in the Wales Sevens squad for the Commonwealth Games in Glasgow.
American flyer Carlin Isles has left the Glasgow Warriors and returned home to the USA to focus on earning selection for the 2016 Olympic Sevens.
Wallaby Liam Gill and Rebels flank Sean McMahon are all but certain starters for the Australian Sevens side in next month's Commonwealth Games.
Cecil Afrika will headline the Springboks Sevens Select team to play in the Roma Seven tournament in Rome on June 20 and 21.
Calum MacRae will be leaving his position as skills and attack coach at Newcastle Falcons to take up the role of coach to the Scotland Sevens side.
IRB CEO Brett Gosper urged unions to play their star names at the Rio Olympics Sevens to maximise the sport's opportunity on the world stage.
Bryan Habana and Schalk Brits have been named in the South African Sevens squad for the upcoming Commonwealth Games in Glasgow.
Geraint John has joined the Australian Sevens team as head coach from Canada who enjoyed their most successful season to date.
Neil Powell has admitted that he needs to improve the depth of his squad to make them more competitive next season.