Who is Gordon Mitchell from Your Money or Your Life and what is their importance?

Gordon is a program participant who starts as an organizer at a militant black organization. He does not like the way the reality of his job does not match what the organization claims as its goals. He later becomes a financial planner. He realizes after using the 3 questions that he is caving in to his children every time they ask him for money. He also reduces his expenses by moving his office to his home.