A Silicon Valley stylist on why tech moguls dress like college kids Vox What is business casual: How to look sharp at work GQ India Dressing down is so played out, said Andrew Weitz, a Los Angeles based executive style consultant who has worked with tech leaders, though not the ones mentioned in this article. Hoodies, a tired clich. What is Business Casual for Men? A Modern Style Guide What the Brands Inside the VC Starter Kit Really Think of Being Part of a Silicon Valley Parody