Wales will be led by Jason Forster of Newport in the IRB World Sevens Series at Twickenham on May 24/25 and then in the final round at the Millennium Stadium, Cardiff on May 31/June 1.
The squad to play at Twickenham is: - Jason Forster (Newport, capt), Robin Sowden-Taylor (Cardiff), Gareth Gravell (Newport), Andy Powell (Newport), Michael Phillips (Llanelli), Rhodri Jones (Swansea), Arwel Thomas (Swansea), Emyr Lewis (Newport), Gareth Swales (Swansea), Ben Breeze (Newport), Matthew Robinson (Swansea), Craig Richards (Whitland).
For the matches at the Millennium Stadium, Michael Phillips and Gareth Swales will drop out and be replaced by the Pontypridd trio of Gareth Wyatt, Gareth Baber and Shaun James.
As the countdown continues for RWC2015, Tournament Chief Executive Debbie Jevans visited the Millennium Stadium to discuss preparations for the eight matches and reveal the positive news that 100,000 tickets for games at the home of Welsh rugby have sold in the last seven days.
Jason Harries is targeting a first win on the World Series circuit this season with Wales. The series returns to action this weekend in Dubai where Harries is part of a team hoping to build from its efforts in round one in October.
Wales skipper Jevon Groves says his side have addressed a few points from Gold Coast and aim to 'hit the ground running' in the next two rounds of the World Series, kicking off with this weekend in Dubai before heading off to South Africa next week.
Wales Sevens manager Steff Thomas is hopeful his side can build from a quarter-final spot in the opening round of the World Series in Australia when his side take part in the forthcoming double header in Dubai and South Africa.