Becoming a Certified Digital Marketing Professional. The Professional Diploma in Digital Marketing will provide you with a strong foundation in the core concepts of digital marketing. It will give you an in-depth understanding of how to effectively strategize and implement powerful digital marketing campaigns that convert. From social media marketing to search marketing, you’ll learn everything you need to excel at your digital marketing career. Upon successful completion of the Professional Diploma in Digital Marketing, you will become a Certified Digital Marketing Professional.