"representative of the group" is a perfectly valid phrase that can be used in written English.
For example, you could say "John serves as a representative of the group on the project committee."
Eric Romann, a representative of the group, said fare increases represent "an on-going civil rights issue".
The acute hospital and transitional care group discharge PC-PART scores were probably not representative of the group they were intended to represent, that is, patients transferred to acute care due to ongoing problems requiring medical management.
The representative of the group that commands authority in this little world is the "Pry Mincer".
A representative of the group could not be reached on Friday.
The president shall be the official representative of the group to any other organization and to MIT.
Those show strong potential for reducing the death toll, said J. T. Griffin, a Washington representative of the group.
For one, pollsters can't be sure that the members of a group they've reached are representative of the group generally.
In fact, you want to be the aspirational member of the group, the chosen representative of the group.
Allegedly speaking for Boko Haram, a representative of the group said it was responsible for the attack.
Spinosaurus aegypticus, hence Spinosauroidea, was the earliest known representative of the group, but the original Egyptian specimen (mostly bits and pieces) was destroyed in WWII.
A representative of the group said Warner was committed to paying $18,000 of the tour's $60,000 budget, but that did little to comfort the band members.
