Chegg's Employee Email Address Formats

Chegg uses 9 email formats, with first (ex. john@chegg.com)
being used 51% of the time.
first_initial lastjsmith@chegg.com18%
last first_initialsmithj@chegg.com1%
lastsmith@chegg.com3%
first lastjohnsmith@chegg.com3%
first last_initialjohns@chegg.com5%
first_initial '.' lastj.smith@chegg.com1%
first '.' last_initialjohn.s@chegg.com4%
other_templateother_template@chegg.com15%
firstjohn@chegg.com51%