having work in this field for the 3 year .i have learn it by self studying .i haven't done any diploma in this art but have a lot of concept in design.know the knowledge of Photoshop workflow an have a concept of illustrator for making any logo design and t-shirt design other color correction in any photograph as i know the knowledge of some of the 3D program like blender for 3D logo design . so if any one interested in making of logo design or t-shirt design then you can contact me so i can be help for you.thank for reading