Mentor Llunji, is a practicing structural engineer. Throughout the last 15 years, he has acted as an expert consultant, lead structural engineer and reviewer for more than 400 projects of all types. In addition to earthquake engineering, his field of interest is the relation between structure and architecture, as well as the role of structure in enriching architectural creations. He is the author of three books related to earthquake-resistant design and architecture, and has published many papers related to this subject.He is currently working on his fourth book.