Raun D. Melmed, MD, FAAP, a developmental and behavioral pediatrician, is the director of the Melmed Center in Scottsdale, Arizona, and co-founder and medical director of the Southwest Autism Research and Resource Center. He is the author of Autism: Early Intervention; Autism and the Extended Family; and a series of books on mindfulness for children: Marvin's Monster Diary: ADHD Attacks, Timmy's Monster Diary: Screen Time Stress,Harriet's Monster Diary: Awfully Anxious, Marvin's Monster Diary 2 (+Lyssa): ADHD Emotion Explosion, Marvin's Monster Diary 3: Trouble with Friends (But I Get By, Big Time!), and the next in the series, and Marvin's Monster Diary 4: Bullying.
Arief Kriembonga graduated from Jakarta Arts Institute, Indonesia. He started his career as a children's and comic book illustrator in 2010. In addition to being an illustrator, Arief also works as a UI/UX and graphic designer. Besides art, his greatest passion is single-origin coffee. He lives with his wife and one beloved daughter in Jakarta, Indonesia.