Ten alternative ways to say business owner or CEO when signing a document:

1. Founder
2. Managing Director
3. President
4. Chief Executive Officer (CEO)
5. Principal
6. Executive Director
7. Proprietor
8. Head of Operations
9. General Manager
10. Chief Administrator

Unique and clever alternatives:

1. Chief Excellence Officer
2. Visionary Leader
3. Chief Trailblazer
4. Mastermind
5. Strategic Architect
6. Lead Innovator
7. Executive Captain
8. Business Maestro
9. Principal Pioneer
10. Enterprise Overseer
11. Head Honcho

Funny alternatives using the Chief (blank) Officer format:

1. Chief Coffee Officer
2. Chief Idea Officer
3. Chief Fun Officer
4. Chief Cat Herder Officer
5. Chief Happiness Officer
6. Chief Chaos Officer
7. Chief Snack Officer
8. Chief Unicorn Officer
9. Chief Daydream Officer
10. Chief Everything Officer