Annette Lendal Circular Economy Expert Lab21st Annette Lendal is a Danish sustainability expert, public speaker, juror, and writer. After studying political science and economics, she has spent the past 10 years specializing in systems thinking working for renowned strategy consultancies, NGOs and think tanks internationally. To disseminate her expertise on circular economy she has written several books on upstream innovation for the Ellen MacArthur Foundation and acts as an expert adviser to the Earth Shoot Prize on zero waste solutions. Annette leads the innovation consultancy Lab21st and is a co-founder of Planetarium Expeditions.