Williams was a co-host on the satirical news and entertainment television programme Jono and Ben until the show's end in 2018.

[9] He attended Victoria University of Wellington and graduated with a Bachelor of Arts degree majoring in political science in 2011.

"[17] In March 2014, Williams was selected by TV Guide magazine as New Zealand's Sexiest Male Television Personality, beating Shortland Street's Benjamin Mitchell, who had won the award for several years beforehand.

[21] In September 2015, Williams released a charity single entitled "The Pigeon Song", featuring Christchurch rapper Scribe.

[23] He released his first half-hour standup special in 2017, and started hosting the satirical news show New Zealand Today[5] in 2019.

In 2025, Williams confronted ACT New Zealand party leader David Seymour at a impromptu press conference during the 2025 Waitangi Day event regarding the Treaty Principles Bill.