Contact Media Inquires Please send requests, speaking engagements, book offers, hot covered dishes to Dickerson Media Requests Speaking Inquiries If you would like to book John for a speech on politics, leadership, the presidency or a daily regimen of meaning, please contact the Harry Walker speaking agency. Subscribe to the Newsletter Recieve updates and stay in the know ! Subscribe Something went wrong. Please check your entries and try again. General Inquires Invalid Email Send Message Sent! Message failed. Please try again.