During his career, Lex created and edited the Dutch quarterly, high horology magazine Watch Report. Lex also created and produced the bi-annual magazine and bi-annual high-end watch supplement Watch Tribune in cooperation with Dutch Esquire magazine.
Lex was the editor-in-chief at 00/24 Horloges, another Haute Horlogerie magazine. Further back, Lex started working as editor-in-chief in 2001 at the weekly youth and music magazine Hitkrant (De Telegraaf Media Groep) and later did the same job with football monthly Voetbal Magazine at the same publishing house.
