What is the fine-grained topic of the following text: As a keynote speaker Debra Z. Sabatini, RDH, specializes in marketing progressive informational, motivational and implementable programs for small business, sales professionals industry leaders, as well as the medical community she is dedicated to. Only return the topic.
Debra Z. Sabatini's role as a keynote speaker specializing in promoting programs for small business and medical community.