Your letter reminds them why they gave in the first place and good letters can often lead to professional networking opportunities for you. The sample letters (provided below) are to help you compose your own thank you letter in a professional business format.I want to convey my heartfelt gratitude to all the members of the foundation who work tirelessly to make the world a better place for individuals like me. We ask that you write a letter expressing your thanks to the donor(s) associated with your particular scholarship.