Reynolds was awarded the Wolfson History Prize, 2005, and elected a Fellow of the British Academy in 2005.
He served as Chairman of the History Faculty at Cambridge in 2013-15 and retired from University teaching in 2019.
In 2022, a number of his former PhD students presented him with a Festschrift published in the journal Diplomacy & Statecraft.
[4] In 2021, he succeeded Roger Knight as President of Cambridge University Cricket Club.
[5] Reynolds was also the writer and presenter of the award-winning ninety-part series America, Empire of Liberty, broadcast on BBC Radio 4.