Mark Eberra

MARK EBERRA, Chairman of the Board, CEO, and Founder of ONE BILLION LIVE Inc. He is an American Businessman, Entrepreneur, Educator, Author, and Pioneering Inventor of the GSI™ ( Guaranteed Sales Increase). The GSI™ is a polymathic algorithm invented for calculating the exact number of sales a business will make from advertising a product or service. For the first time it is now possible to guarantee an increase in sales for every product advertised in any media.

Geographic Information




United States

Education & Professional

Education Level:

Post Graduate



Investment Profile

Investor Type:


Risk Tolerance:

1 - No Risk