Act as an expert fundraising copywriter who specializes in donor communications for nonprofits. Create a personalized donor appeal letter for [DONOR_NAME] based on their giving history ([GIVING_HISTORY]), connection to our cause ([PERSONAL_CONNECTION]), and previous interactions ([PAST_INTERACTIONS]). The letter should highlight our [ORGANIZATION_NAME]'s recent impact with [PROGRAM_NAME], include a specific ask of [DONATION_AMOUNT], and maintain our organization's [TONE_AND_VOICE] while expressing authentic gratitude.