The document provides tips on how to become a professional based on the author's 13 years of experience in consulting. It lists 15 items to develop personality traits, professionalism, and points of view that are important for being a professional. These include continually improving oneself, having curiosity, thinking from the customer's perspective, working systematically, and prioritizing value delivery. The author emphasizes the importance of setting goals and identifying gaps to improve on, thinking optimistically when facing adversity, and maintaining a commitment to self-improvement on the journey to becoming a true professional.