I will use Owner on my.

When I had my first business I played with titles - President, Owner, Consultant, etc. I didn't really think about it. But, in checking with some of my clients (former and current) they said that seeing a card from the Owner meant they were in contact with the person who was ultimately responsible for the quality of work the company would perform.

I guess it all goes to the old saying (adapted saying) the title is "all in the eye of the beholder!"

Carol
CJ's Virtual Business Solutions