In 2011, he released The Secret of Teams outlining the key principles that enable some teams to outperform the all the rest. Great Leaders Grow: Becoming a Leader for Life came next, also in 2011.
In addition to writing, Miller really love speaking to leaders. Over the years, he has traveled extensively around the world teaching for numerous international organizations. His theme is always the same: encouraging and equipping leaders.
Today Mark serves as the Vice President for Leadership Development. During his time with Chick-fil-A, annual sales have grown to over $5 billion and the company now has more than 1,700 restaurants in 39 states and the District of Columbia.