Alan Hoffler Trainer, Speaker, Consultant, Coach Alan Hoffler is the Executive Director and Principal Trainer at MillsWyck Communications. He is a sought after speaker and the author of "Presentation Sin: The Practical Guide to Stop Offending (and Start Impressing) Your Audience" and the co-author of "Silver Goldfish: Loud & Clear: The 10 Keys to Delivering Memorable Business Presentations." Alan is also the co-author of "6 Steps Forward," and leads retreats based on the concepts in the book.