Aristotle was a Greek philosopher and scientist born in the Macedonian city of Stagira, Chalkidice, on the northern periphery of Classical Greece.

“Quality is not an act, it is a habit.” Aristotle

Jay Abraham

Jay Abraham is an American business executive, conference speaker, and author. He is known for his work in developing strategies for direct-response marketing in the 1970s

“Everything a business does is a process. And as a process, it can be measured, it can be compared, it can be quantified, it can be improved.” – Jay Abraham

W. Edwards Deming

William Edwards Deming was an American engineer, statistician, professor, author, lecturer, and management consultant.

“If you can’t describe what you are doing as a process, you don’t know what you’re doing.” W. Edwards Deming

Peter Drucker

Peter Ferdinand Drucker was an Austrian-born American management consultant, educator, and author, whose writings contributed to the philosophical and practical foundations of the modern business corporation.

“Efficiency is doing things right; effectiveness is doing the right things.” Peter Drucker

Jack Welch

John Francis “Jack” Welch, Jr. is a retired American business executive, author, and chemical engineer. He was chairman and CEO of General Electric between 1981 and 2001. During his tenure at GE, the company’s value rose 4,000%.

“An organization’s ability to learn, and translate that learning into action rapidly, is the ultimate competitive advantage.” – Jack Welch

Tom Peters

Thomas J. “Tom” Peters is an American writer on business management practices, best known for In Search of Excellence.

“Excellent firms don’t believe in excellence – only in constant improvement and constant change.” – Tom Peters