William Hsieh's hobbies:

• Music
  I sing tenor, and my repertoire consists of arias from operas and operettas, folk songs, art songs and sacred music. To hear my recordings, click here.
  

• Reading
  I enjoy reading books on history, orthomolecular and herbal medicine, horticulture and economics/investing.

• Exercises
  Chinese martial arts (click for video), walking/hiking, paddling and growing organic vegetables.