Hi. I am a service designer,
design strategist,
co-founder
of The Contextual, and a
design lecturer 🙂
design strategist,
co-founder
of The Contextual, and a
design lecturer 🙂
I’m Dia of Idiakoshi or Tanatta Koshihadej, co-founder of
The Contextual –Â a Bangkok-based service design studio, andÂ
Contextual Communication – where we craft brand experiences and strategies.Â
With a designer’s heart, I bring design thinking into both creative and business worlds.
You’ll find my personal visual explorations at Casual Context, where I play with illustration
and brand identity design
I’m also a design methods lecturer at Chulalongkorn University’s Faculty of Architecture 
and teach brand-experience for the MA Industrial Design program.