Mark Shonka

Together, authors and IMPAX Corporation copresidents Mark Shonka and Dan Kosch have tallied more than 40 years experience in direct sales, sales management, and sales consulting and training. IMPAX has worked with thousands of sales professionals throughout North America and abroad at companies including IBM, DuPont, AT&T, Eli Lilly, and Microsoft.

Together, authors and IMPAX Corporation copresidents Mark Shonka and Dan Kosch have tallied more than 40 years experience in direct sales, sales management, and sales consulting and training. IMPAX has worked with thousands of sales professionals throughout North America and abroad at companies including IBM, DuPont, AT&T, Eli Lilly, and Microsoft. See less