Your Name
Your Address
Your Phone Number
Your E-Mail Address

Date

Recipient's Name
Company Name
Address

Dear (Recipient's Name from above):

After much deliberation I have decided to resign from (Company Name).

I have made this decision as I feel it is the best way for me to advance my career. It has been a pleasure working for you at (Company Name). I wish you nothing but the best of the luck in the future.

Sincerely,

(Signature)

(Your Name, Your Title)