Mastering the Science of Speaking & Training Business by Jackson Ng is for anyone aspiring to excel as a professional trainer and speaker. Drawing from over 20 years of experience in entrepreneurship, management, teaching, training, and coaching, Jackson Ng unveils the secrets behind the five core competencies essential for success in this field: speaking, training, coaching, branding, and marketing. This book encapsulates his journey and experiences, particularly from his time running the HRD Corp Train the Trainer Certification Program, where he has successfully certified over 1,500 trainers in Malaysia since 2017.