I'm a personal stylist who helps execs at Big Tech firms figure out what to wear. This is what goes into making a techie look trendy.

Julia Blank

• Julia Blank is a personal stylist who helps Big Tech executives look their best.
• She says these executives come to her because they don't want to look like techies or students.
• Blank sends them home with a new wardrobe, new makeup skills, and a bottle of scent that suits them.

This as-told-to essay is based on a conversation with Julia Blank, a...