Showing results by author "David Seidman"

Discover the 11 insights that will change the way you think and sell. Improve performance through self-awareness and relationships. Mattson and Seidman - C-level executives at Sandler Training, a world leader in sales training - focus listeners on the 11 core principles that can reshape identity and promote professional growth.  

This work tells the story of how Samuel Morse developed a working telegraph in 1844 that changed the way people communicated.