Dear …
On behalf of __(name of organization)__ please allow me to extend an invitation to you to join our Executive Board of Directors as __(name of position)__. Our new Board will consist of business professionals, such as you, who can provide us with sound business direction, bringing fresh ideas and solid leadership to the organization.
The Board meets __(once/twice/etc.)__ per month and on special occasions, when the company requires immediate decisions on unique issues. The remuneration package to board members includes __(describe remuneration)__. We believe you have all the qualities we are looking for, __(name)__, and we are asking you to let your name stand for a position on our __(name of company’s)__ Board of Directors. We hope that you will seriously consider joining us.
If you have any questions or concerns, feel free to contact me directly at __(phone #)__. Please let me know by __(date)__ if you are willing to let your name stand. I look forward to hearing from you soon and remain hopeful of your decision.
Sincerely,