It doesn’t matter that Marc Fienberg is an author, movie director, strategy consultant, entrepreneur, owner of The Great Advice Group, husband, and all-around nice guy. What matters is that he is the father of four kids, two of whom are teens. He has served as a life coach to his kids for more than sixteen years, and since none of them have been rushed to the emergency room or spent a night in jail yet, it seems like his Great Advice is working. To learn more about him, go to greatadvicegroup.com.