. With 20 years of experience and a client list of over , Jack Black is Britain's foremost motivational speaker and founder of MindStore, the country's leading personal development programme. Jack Black is acknowledged as a leader in the field of performance and personal development. Las mejores ofertas para Mindstore for Personal Development von Black, Jack | Buch | Zustand gut están en eBay ✓ Compara precios y características de. Where you can find a local farm venue near you for weddings, parties, meetings and events! [Click here to add this page to your favorites]. E34 Jack Black, Owner of Mindstore International Shares What He Knows Now. Cada vez que te encuentres pensando algo empobrecedor o. Las mejores ofertas para Mindstore: Die Macht der Visualisierung von Black, | Buch | Zustand sehr gut están en eBay ✓ Compara precios y características. 11 sep. [Canning supplies. Jack Black, autor británico, propone en su libro MindStore una simple pero efectiva estrategia.