The giant second row will lead his country into action in the RBS 6Nations. But he faces a testing opener versus France in Paris on Saturday.
Kellock captained Scotland in their 2-0 Test series win in Argentina last summer but the 29-year-old then missed the autumn Tests after undergoing knee surgery.
Kellock went on to make his Magners League return against Aironi in November and has gone on to make four more league appearances.
"I am delighted to be in the squad and to be asked to be captain is a huge honour," said Kellock.
"I had the opportunity to do it in Argentina a couple of times and it was brilliant. To be able to do it in a Six Nations game is terrific.
"Being captain at Glasgow in the last five seasons has helped me, it's made me play better.
"I have to make sure that happens here as well, that I'm playing to the best of my ability and leading by example."
On paper Scotland go into the Six Nations the form side and they travel to France on the back of five wins in their last six Tests - the only blotch on their scorecard a defeat to New Zealand.
But Paris is not a happy hunting ground for the Scots and they have won there just twice in 42 years.
"It's an incredibly difficult place to go - our record there shows that," added Kellock.
"We've got a chance but we have to be at the top of our game. The squad will be trying to ensure that happens.
"I'm not one for setting long-term goals. We know what we want to do, but it will be week-on-week and making sure every training session, every time we get together we'll get something out of it."
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