Peter Lyle DeHaanPeter Lyle DeHaan, PhD, is an entrepreneur and businessman who has managed, owned, and started multiple businesses over his career. Common themes at every turn have included leadership and management, customer service, and sales and marketing. He shaes his lifetime of business experience and personal insights through his books, articles, and blogs to encourage, inspire, and occasionally entertain. Learn more at peterlyledehaan.com. Read More Read Less