Recently I applied for a job that required a certificate in six-sigma, which I don't have. In my application, I argued I had all of the relevant experience (8 years') to be able to do the job.
I considered getting a six-sigma qualification, but it typically costs thousands of pounds, which i can't afford. Also, because there is no official six-sigma organisation offering certification, then I don't think the piece of paper is worth much.
After researching it, I've found that you can confer your own certification in six-sigma (after all, there is no official certifying body or body of knowledge).
So, my question is, how do I present this on my CV?