I would portray as one role, and a few really important projects.
For example:
Senior Consultant For the past 24 months, I've worked with a large number of varied clients to realise true business value for them. This has included Real Example A and Specific Detail B, but beyond the pure technical skills, it has highlighted the value of softer skills.
Most notably, I recently worked with the estate of Douglas Adams in an ecommerce towel distribution hub. Don't panic, I'm the right chap for the job.