Attitude Is Everything: Change Your Attitude, Change Your Life! | Book Review | 1999 | Jeff Keller

ABOUT THE AUTHOR Jeff Keller is a motivational speaker and writer. He became a full-time speaker after serving as an attorney for over ten years. Keller is a member of the National Speakers Association. He is the president of Attitude is Everything Inc., which works with organizations aimed at developing achievers. Keller is also the Read more…