To thrive as a Development Office Intern, you need strong organizational skills, attention to detail, and a background or interest in fundraising, communications, or nonprofit management. Familiarity with donor management systems like Raiser's Edge or Salesforce and proficiency in Microsoft Office are often expected. Professionalism, initiative, and strong written and verbal communication skills set top candidates apart. These abilities are crucial for supporting fundraising efforts, maintaining donor relations, and ensuring smooth office operations in a nonprofit environment.