I am writing you today to officially tender my resignation from ______ effective Monday ________ with my last day being _______, 2007.
This was a very hard decision and one that I did not take lightly, but I have an amazing opportunity to ______________________.
The past _____ years at ________have been very fulfilling and have provided me with excellent experience. I cannot say enough about all the people I've encountered in my years of service with the company and have enjoyed my time with you as my manager. Your leadership has been very welcoming and I have appreciated all your personal and professional advice over the past few months.
If I can be of any assistance during this transition, please let me know.
If you have any questions, please ask. Thanks again for everything.