Dr Roberts said the new-look DCELLS would be split into two parts EUR"Children, Young People and School Effectiveness (CYPSE) and Skills, Higher Education and Lifelong Learning (SHELL) EUR" under two group directors.
The shake-up follows strong words from Education Minister Leighton Andrews, who last month criticised DCELLS for a lack of performance measurement and weak implementation of policy.
Dr Philip Dixon, director of teaching and lecturing union ATL Cymru, said: EUR[pounds sterling]ItEUROs no secret that for some time many people have thought that DCELLS has been dysfunctional.
Dr John Graystone, chief executive of college representative body ColegauCymru, said he was hopeful the new head would be able to translate his experience in other policy areas to DCELLS.
I'm very pleased that he has agreed to take on the leadership role in DCELLS on a permanent basis.
Following his official appointment, Dr Roberts said: "I am delighted to have been given the opportunity to lead DCELLS.
There were several reasons for this, which we put to DCELLS
SUCCESS STORY: Huw Lewis, left, with students, from left, Kirsty Tavender, Alana Miles, Luke Carey, Josh Foley and David Hawker of DCELLS
at The Military Preparation College in Cardiff
The network is constantly directed by DCELLS to reshape its learning delivery in line with new priorities emerging from changes in the Welsh economy and society in general.
This responsiveness is not available in any other area of learning funded by DCELLS, and this flexibility ensures that ever changing needs and demands for skills by business, industry, learners and communities can be met.
This joint approach by the Heads of the Valleys and DCELLS has clear advantages as the lessons learned will provide valuable intelligence on key issues surrounding e-learning.
The projects will be monitored and evaluated and the early outcomes - both qualitative and quantitative - will help inform the development of the One Wales laptop pilot by DCELLS.