1. Digital Thinker
  2. Digital Disrupter
  3. Digital Leader
  4. Digital Transformer

"Although there continues to be a need for digital disruptors at the board level (think Stacy Brown-Philpot, CEO of TaskRabbit and director at HP and Nordstrom), increasingly we’re seeing and encouraging the appointment of leaders from the fourth category. "

Harvard Business Review July 13 2017

See also "Digital islands isolated in seas of analogue complacency?"