[4] In 2015, he appeared as a Mouseketeer alongside other SM Rookies members on Disney Channel Korea's show The Mickey Mouse Club, which aired from July 23 to December 17, 2015.

[10][11] On March 13, 2019, Jeno, alongside fellow NCT Dream members Jaemin and Jisung, represented K-pop stars at the "K-Wave & Halal Show" in Malaysia.

The friendship event between South Korea and Malaysia was attended by President Moon Jae-in as part of his three-day state visit to the country.

[15][16] The Business of Fashion commented that it "may have been the most-anticipated show of the week" and praised Do's tailoring, highlighting the back of the garments, and ability "to reference other designers through his own work without it feeling soulless".

[17] In December 2022, Jeno featured on "Hot & Cold" from 2022 Winter SM Town: SMCU Palace alongside labelmates Kai, Seulgi and Aespa's Karina.