In this episode of World of Roofing, John & Andrew welcome Tatsuya "Tats" Nakagawa from Vancouver, British Columbia, Canada; Tats is the CEO at Castagra, manufacturing commercial roof coatings, Including their Ecodur Roof Coating line. Tats also has a podcast (Specified Growth Podcast) for building materials, coatings & construction entrepreneurs. - youtube.com/tatstalks or tatstalks.com. He also co-authored a book on innovation success after seeing too many people lose their investments on poorly researched ideas. (Overcoming Inventoritis - Forward by Steve Wozniak, co-founder of Apple).