Six Thinking Hats Certification For Trainers – $5,250 Posted by: de Bono Consulting on October 31, 2016 Event Details Date: September 4, 2018 9:00 am – 7, 2018 5:00 pm Venue: Los Angeles, CA Seminar Cancellation Policy | Trainer Recertification 31 OCT 0 Related PostsNo related posts found.