Although this blog is entitled "Zurich Lawyer On the Difference Between In-House and Law Firm Life", I think the most useful parts of it are Edward Paulis' tips for general counsel and in-house lawyers. Worth reading.
Time management is a crucial skill, and I keep lists of action items and priorities. As I switch focus during the day from one task to the other, the lists allow me to keep track of those items I do not want to lose sight of. And it is very rewarding to cross a task off my list. I also develop checklists for tasks, often administrative, I expect to repeat from time to time, such as intake of a new matter or preparing reports for management. This allows for timely and consistent deliverables that improve over time as lessons learned are incorporated into the checklists.