Lyn started his career directing Welsh-language programmes broadcast on S4C, such as Pam Fi Duw?, Iechyd Da and Y Glas.

In 2015 Lyn received the Siân Phillips Award at the BAFTA Cymru ceremony for his contributions to the industry.

[2] In the same year, he directed the three-part BBC series Capital based on John Lanchester's novel of the same name.

The film starred Ryland Teifi, Catrin Stewart, Dyfan Dwyfor and Sharon Haf Morgan.

[4] A Welsh speaker, Lyn resides in Llangennith, Gower, with his husband Craig Hughes.