Joshua Hicks
He is a two-time world champion who won gold in the coxless four at the 2017 World Rowing Championships and defended that title at Plovdiv in 2018 . 
<triplet> 2017 World Rowing Championships <subj> Plovdiv in 2018 <obj> followed by <triplet> Plovdiv in 2018 <subj> 2017 World Rowing Championships <obj> follows <subj> 2018 <obj> point in time