Hermundur Sigmundsson (b. 1964) is from Iceland. He is a professor of biological psychology at the Department of Psychology, Norwegian University of Science and Technology in Trondheim, Norway. Hermundur's research focuses on learning, skill development, motivational factors, flow, and well-being. He has been an active researcher for 31 years with over 130 international publications and 8 books in the Norwegian language.

Chapter 1. Development.- Chapter 2. What is trained develops!.- Chapter 3. To become experts!.- Chapter 4. Motion, relation, passion.- Chapter 5. Conclusion.

This book explores how we learn new skills and knowledge. The book also focuses on how we become experts. Currently, there is an understanding that experts and expertise are made, and thus, deliberate practice and follow-up are needed over time to excel over the years. This volume will also analyze which factors may be important to be able to train your brain and behavior to develop expertise. Passion may be one such factor; others may be grit and a growth mindset.