YELLOW is all about facilitating and cocreating change, improving effectiveness of people in organizations. YELLOW change = blooming people, in blooming organizations. Just easier, happier, better. YELLOW's favorite theories and methodologies: - Gareth Morgan's Images of Organizations - Jim Collins’ Good to Great - The Value Profit Chain - Myers Briggs Type Indicator (MBTI) - Stephen Covey's 7 habits - Stephen R. Covey's Speed of Trust - Brené Brown's Daring Greatly - Dr. Phillip McGraw's Life Strategies - Peter Senge's Presencing - De Caluwé’s "Veranderkunde" - Appreciative Inquiry - Scenario Planning - David H. Maister's Trusted Advisor - Daniël Ofmans' "kernkwadranten" - Socrates and Plato.