Meri Huws says her vision is of a Wales where the Welsh language plays a completely central role in public life.
First task of Commissioner:to identify which orgs & companies will be required to comply & to see if they are complying.
Qualifications are: public sector, utilities, telecom companies & businesses receiving more than £400k public money per year.
More top news
All this week we're looking at some of this year's winners from the Black History Month Youth Award.
Tonight's specially extended Wales This Week, looks back at the case of Gordon Anglesea, who was convicted of indecent assault last week.
The parents of Private Cheryl James who was found dead at Deepcut Barracks more than 20 years ago have been given a human rights award.