Olympic champion Moe Sbihi insists he still has "fire in the belly" to lead Great Britain's medal charge at the World Rowing Championships next month.
The 29-year-old won gold in the coxless four at the Rio Games last summer and is the only member of that crew to have continued into 2017.
Alex Gregory and George Nash have since retired while Constantine Louloudis has not returned to the boat this season, but Sbihi is still hungry for more.
"I had a little bit of time off (after Rio) but I came back because I still had that hunger, that fire in the belly to beat someone," said Sbihi, a three-time world champion.
"I feel like I'm only now entering my prime. I've set some standards and I want to see whether I can beat them. It's easy to win the Olympics once, to do it again is another thing."
The Molesey Boat Club star has been named as part of Great Britain's 64-strong team heading to the World Championships in Sarasota-Bradenton, Florida, from September 24 to October 1.
The GB Rowing Team contains 14 Olympians, including four gold medallists, and two Rio 2016 Paralympic champions among its 17 crews.
This time Sbihi will be racing alongside Matt Rossiter, Matthew Tarrant and Will Satch, who stroked the men's eight to a memorable victory in Rio.
Tom Ransley, who also triumphed at Rio 2016 in the men's eight, is back in the squad after missing the last two World Cups due to an appendectomy.
"Mentally I think I've handled it quite well," said Ransley, 31, who also claimed Olympic bronze at London 2012 with Sbihi in the men's eight.
"It is frustrating to miss races but I have got a lot of fitness years in me. I know my body, I will pick it up again quite quickly."
Joining Ransley in the men's eight will be Ollie Cook, Callum McBrierty, Jacob Dawson, Adam Neill, Alan Sinclair, James Rudkin, Lance Tredell and Henry Fieldman.
London 2012 winner Katherine Copeland teams up with Emily Craig in the lightweight women's double scull while Vicky Thornley - Rio 2016 silver medallist alongside Katherine Grainger - swaps to the single scull.
British Rowing performance director, Sir David Tanner, said: "The 2017 World Championships come at the end of a long but rewarding season for the GB Rowing Team.
"These Championships are what we've built our season around and we plan to be at our peak in Sarasota at the end of September."
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