Is Versatility Unprofessional?
You might suspect a “writer/illustrator” of lacking focus, or even of lacking seriousness. After all, mastering just one of these communication arts takes commitment and time, and they each seem to require a different brain state. In spite of this, San has made clients happy, and occasionally won awards, across a range of work. You can look at the work and decide for yourself.
In case you’re interested, the tale of how one person came to work in two such different fields is in the personal version of the About San page. (You were reading the shorter, professional version.)
Speaking of vocational dichotomies, San maintains separate email addresses: for his work in the visual arts. You may use them interchangeably.