Volunteer rather than waiting to be asked.
Take a risk - such as working abroad for six months.
Strike a balance between confidence and over-confidence.
Be visible rather than reticent.
Request a pay increase rather than assume one.
Focus on your successes rather than your failures.
Network, network, network.
Seek out a mentor, someone who will champion you. People love to give advice.
Dress for the job you want. Buy a new suit if you are going for a more senior role.