I work with alot of family business. Beside the usual entrepreneurial issues, working with your family brings special challenges and baggage. Business Week wrote an article on what we can learn from a Japanese family business, Kongo Gumi that just went out of business after 1400 years! This was the world’s oldest continually running family business until last month…Keys to their success? First, flexibility in selecting a CEO- it always wasn’t the oldest son or a son at all! Second, sons-in-laws taking the family name.