When you enter an organization as its new leader, forget about plotting out the first 90 days. Focus on the first 90 hours. Why are those initial hours on the job so important? Because you don’t get a second chance to make a first impression. If you don’t get the first 90 hours right, the remaining 10 weeks won’t make up for any ground that gets lost.
[This article was provided with permission from Harvard Business School Working Knowledge.]