Social skills play the most important role in your success:

• Not always the smartest get selected, usually the most popular
• Have the learning attitude at all times
• Communicate everyday with your team; share the vision and keep the motivated
• Don’t just rely on emails! make phone calls or go see them face to face
• Be honest at all times
• Keep your promises or don’t make any in the first place
• Learn to say a clear NO!