Ken Blanchard is an American author and management expert, best known for his book, The One Minute Manager, co-authored with Spencer Johnson. This influential work, published in 1982, focuses on effective management techniques and has sold millions of copies worldwide. Blanchard's ideas emphasize the importance of leadership and communication in the workplace. In addition to his writing, Blanchard is a sought-after speaker and consultant, helping organizations improve their management practices. He co-founded the Ken Blanchard Companies, a global training and consulting firm that offers resources and programs aimed at developing effective leaders and fostering a positive work environment.