Scottsdale Author Dr. Dennis Cummins Launches Invitational Selling, Donates 100% of Proceeds to Make-A-Wish
New sales book challenges outdated tactics, inspired by a personal story and supporting Make-A-Wish and Gesher Disability Services SCOTTSDALE, AZ, UNITED STATES, April 28, 2026 /EINPresswire.com/ -- Sales communication strategist and keynote speaker Dr …