You’re about to develop your company’s personas for connecting. Based on the inbound sales approach, your best path to success would be:
Starting with one segmentation at the company level (like industry) and then moving to one segment at the individual level (like role).
Starting with the most common individual-level segments and then moving to company-level segments.
Starting with your most profitable segments at the individual level (like role) and then moving to the company size (like small, medium or enterprise).
Being all encompassing, as you’re looking to define this for the first time and need a starting point to work from