How to Write a Letter of Recommendation

A letter of recommendation is a written endorsement that speaks to a person's skills, character, and suitability for a role, program, or opportunity. It's often the piece of an application that carries the most human weight—a chance for someone else to vouch for the candidate in a way a résumé or transcript can't.

Done well, a recommendation letter can tip the balance. Done poorly, it can feel generic—or worse, quietly undermine the candidate. That's why it's worth taking the time to get it right.

What Is a Letter of Recommendation?

A letter of recommendation is a formal document written by someone who has direct experience with the candidate's work, character, or abilities. A strong letter includes

• Context about the writer's relationship to the candidate
• Insight into the candidate's strengths
• Specific examples that demonstrate those strengths
• A clear endorsement of the candidate's suitability

Think of it less as a summary and more as a persuasive narrative grounded in real experience.

When Should You Write One?

You'll typically be asked to write a recommendation letter when someone is applying for

• A job
• A university or graduate program
• A scholarship or fellowship
• A volunteer or leadership position

Just as important as knowing when to say yes is knowing when to say no.

If you can't write a strong, specific, and genuinely positive letter, it's better to decline. A lukewarm recommendation is often more damaging than no letter at all. It's reasonable to say "I don't feel I'm the best person to give you the strong recommendation you deserve."

What to Include in a Letter of Recommendation

At its core, a strong recommendation letter rests on a few essential elements:

Your relationship to the candidate

Explain who you are and how you know them. This establishes credibility.

Key skills and strengths

Focus on qualities that are relevant to the opportunity.

Specific examples

A useful rule of thumb: Every claim should be supported by evidence. General praise isn't enough—use concrete examples to show how the candidate demonstrated their good qualities.

A clear endorsement

State plainly that you recommend the candidate and why.

How to Write a Letter of Recommendation

1.     Gather information

Ask the candidate for

• The job or program description
• Their résumé or CV
• Key achievements they'd like highlighted
• Submission details and deadline

This helps you tailor the letter rather than relying on memory alone.

2.     Write the introduction

Introduce yourself, your role, and your relationship to the candidate. Be specific about how long you've known them and in what capacity.

3.     Highlight key strengths

Choose 2–3 of the candidate's strengths that are most relevant to the role. Avoid trying to cover everything.

4.     Provide examples

This is where the letter becomes convincing. Briefly describe situations where the candidate demonstrated those strengths.

5.     Write a strong conclusion

End with a clear endorsement and an offer to provide further information if needed.

Recommendation Letter Format

A recommendation letter should be clear, structured, and easy to read. Here's a practical guide:

• Header: Your name and date at the top
• Salutation: Address a specific person if possible; otherwise use "Dear Hiring Manager" or "To Whom It May Concern"
• Introduction: Tell the reader who you are and how you know the candidate
• Body paragraphs:
• List the candidate's relevant skills and experience
• Note their valuable personal qualities (e.g., reliable, thoughtful, collaborative)
• Describe how well the candidate works with others
• Identify what sets the candidate apart
• Conclusion: Summarize why you recommend them and what they would bring to the organization
• Closing: Offer to be contacted for more information

Follow these style and length guidelines to keep your letter of recommendation clear, concise, and professional:

• Keep it to one page
• Use a professional font (e.g., Times New Roman, 11–12 pt)
• Maintain a formal but readable tone
• Avoid dense blocks of text—clarity matters

Recommendation Letter Example

Here's a simple, effective example of a letter of recommendation:

Dear Hiring Manager,

I am pleased to recommend Michael Chen, who worked as a project coordinator on my team at ABC Logistics for four years. In my role as operations manager, I had the opportunity to work closely with Michael on a range of complex, fast-paced projects.

Michael is an exceptionally organized and proactive professional. He has a strong ability to manage competing priorities while maintaining attention to detail. During a major systems transition in 2023, he coordinated communication across multiple departments, ensuring that timelines were met and disruptions were minimized. His ability to anticipate challenges and respond quickly was instrumental in the project's success.

In addition to his technical skills, Michael is a thoughtful and reliable team member. He communicates clearly, supports his colleagues, and approaches problems with a calm, solutions-focused mindset. He is equally comfortable working independently or collaborating with others to achieve shared goals.

I recommend Michael without reservation for any role that requires strong organizational skills, initiative, and professionalism. I am confident that he will make a meaningful contribution to your organization. Please do not hesitate to contact me if you require further information.

Sincerely,

[Your Name]

Common Mistakes to Avoid

Being too vague

Generic statements like "hard worker" don't carry much weight without examples. Instead, stating that the candidate "redesigned our training process and documents in 4 weeks and reduced new hire errors by 30%" is much more concrete and convincing.

Overdoing the praise

Excessive praise can make a letter sound insincere. Aim for credible, grounded enthusiasm. A well-identified strength that's supported by a specific example inspires more confidence than three unearned superlatives.

Including irrelevant details

Focus on what matters for the specific role or opportunity. Two paragraphs about interpersonal warmth in a letter for a data analyst role won't land well, even if the candidate is accurately described.

Writing a letter that's too long

Keep it concise—ideally under one page. If you can't make your case in one page, it's better to remove a strength, not an example that supports one.

Using an inconsistent tone

The tone should be consistently professional, clear, and supportive. Switching between formal and casual registers will call your credibility into question. For example, a shift in tone like "Dr. Hewitt is a brilliant researcher whose intellectual curiosity set her apart from her peers. She's super easy to talk to and everybody loves her." will make it seem like the letter wasn't properly reviewed, and that poor impression can transfer to the candidate.

Final Checklist

Before you send your letter, ask yourself:

• Have I clearly explained my relationship to the candidate?
• Have I focused on relevant strengths?
• Have I included at least one concrete example?
• Is my endorsement clear and direct?
• Is the letter concise and well-structured?
• Has it been carefully reviewed?
• Have I tailored it to the specific opportunity?

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