Pengarang: Dan Portik

Sokongan
Dan Portik has over thirty-five years of corporate sales and sales management experience. He has owned his own businesses for over thirty years and has experience handling every aspect of developing, promoting, and running a profitable marketing agency. In addition, Mr. Portik has worked with some of the largest companies in the world developing marketing programs and campaigns that have garnered measurable results.




1 Ebooks by Dan Portik