How to Write a Cover Letter the Harvard Way

A Harvard-style cover letter is short, specific, and built on evidence. Harvard Career Services' publicly documented guidance keeps returning to the same principles: keep it to one page, tailor it to the specific role, back every claim with a concrete example, and never use the letter to rehash your resume. The letter's job is to make an argument your CV cannot make on its own — why this particular experience makes you right for this particular role at this particular company.

This guide walks through that structure paragraph by paragraph, with an example excerpt, the tone rules that separate strong letters from forgettable ones, and the mistakes that get letters skimmed and discarded. If you want the format conventions at a glance first, our Harvard cover letter guide covers the one-page structure in summary form.

Before the paragraph-by-paragraph walkthrough, it helps to understand the philosophy. Four principles show up consistently in Harvard Career Services' publicly documented cover letter guidance:

• One page, no exceptions. Hiring managers read cover letters quickly. A letter that spills onto a second page signals you couldn't prioritize.
• Specific over general. Name the role. Name the company. Reference something real about the organization that connects to your interest.
• Evidence over assertion. "I'm a strong communicator" convinces no one. Describing the time you presented a project to a skeptical stakeholder group and won approval does.
• Complement, don't repeat. The reader has your CV. The letter should select and expand on your two or three most relevant experiences, not summarize all of them.

Match your letter's header to your CV: name, phone, email, and location, followed by the date and the employer's details. Then invest five minutes in the greeting. Check the job posting, the company's team page, and LinkedIn for the hiring manager or recruiter's name. "Dear Ms. Alvarez" lands very differently than "To Whom It May Concern." If no name is findable after a genuine search, "Dear Hiring Manager" or "Dear [Team Name] Hiring Team" is acceptable — dated salutations like "Dear Sir or Madam" are not.

State the position you're applying for in the first sentence, then use one or two sentences to establish why you and why them. That means one line connecting your strongest relevant credential to the role, and one line showing you know something specific about the company. Skip throat-clearing openers like "I am writing to express my interest" — the reader knows why you're writing. Your opening has one job: to make the hiring manager want to read paragraph two.

Read the job description and identify the requirement the employer cares about most — it's usually listed first, repeated, or embedded in the job title itself. Then tell the single story from your experience that best proves you meet it. Show, don't claim: describe what the situation was, what you did, and what changed as a result. One well-chosen example beats three vague ones.

Here's an illustrative excerpt for a generic operations role, to show the shape (this is an example, not a template to copy):

"Your posting emphasizes streamlining vendor onboarding. In my current role, I inherited an onboarding process that required five separate approvals and routinely stalled for weeks. I mapped each handoff, consolidated the approvals into two review stages, and documented the new process for the team — cutting typical onboarding time from weeks to days. I'd bring the same instinct for finding and fixing bottlenecks to this role."

Notice what the excerpt does: it names the employer's requirement, describes a concrete situation and specific actions, and states the outcome — without a single self-descriptive adjective.

Use your second body paragraph for one of two things. Either address the employer's second-most-important requirement with another piece of evidence, or explain your motivation for this company specifically — a product you use, a mission that connects to your background, a direction the company is moving that matches where you want to grow. Whichever you choose, keep it anchored in something verifiable. "I admire your innovative culture" is filler; "I've followed your expansion into accessibility tooling, and my two years of screen-reader testing experience maps directly to it" is a reason.

Close in two or three sentences. Restate your interest in one line, point forward to a conversation, and thank the reader for their time. Confidence without presumption is the register: "I'd welcome the chance to discuss how my experience could support the team's goals" works; "I know I'd be perfect for this role" overreaches, and "I would be so grateful for any opportunity" undersells. Sign off with "Sincerely" and your name.

Three tone rules keep a letter in the Harvard register. First, prefer concrete nouns and verbs over adjectives. Every time you write "strong," "excellent," or "passionate" about yourself, ask what evidence sits behind the word — then write the evidence instead. Second, use active voice: "I led the migration" rather than "the migration was led by me" or the evasive "the migration was completed." Third, ban the clichés that recruiters have read ten thousand times: "team player," "self-starter," "think outside the box," "hit the ground running." None of them carry information. The sentence that replaces them always says more.

Tailoring doesn't mean rewriting your life story for every application. It means a short, repeatable workflow:

• Read the job description twice and list its requirements in the employer's own words.
• Mark the two or three requirements you can evidence best — not the ones that sound most impressive, but the ones where you have a specific story with a real outcome.
• Build your body paragraphs around those, and let the rest of your qualifications live on your CV where they belong.

This selection step is where most letters are won or lost. A letter that addresses three requirements with real evidence is far stronger than one that gestures at seven. And because the letter and CV work as a pair, it's worth making sure the CV side holds up too — our guide on how to write a Harvard resume covers that half of the application.

• Rehashing the resume. If a paragraph just lists jobs and dates, delete it — the CV already does that job.
• The universal letter. If your letter would still make sense with the company name swapped out, it isn't tailored.
• Making it about you alone. "This role would be a great step for my career" answers a question the employer didn't ask. Frame everything as what you bring to them.
• Apologizing for gaps. Don't volunteer weaknesses ("although I lack experience in…"). Spend the space on what you do offer.
• Typos and mismatched details. A wrong company name — usually left over from the last application — is the fastest way to end your candidacy. Proofread, then proofread the header separately.
• Going past one page. Length discipline is part of the format, not a suggestion.

The risk with AI-written cover letters is well known: generic drafts full of confident claims with nothing behind them. The fix is grounding. Harvard CV Maker's cover letter generator works from your actual saved or uploaded CV, not from a blank slate. You give it the job title, company, and job description; it detects the signals in the job description, matches them against real evidence in your CV, and drafts a letter built on that evidence. It then shows you which CV points it used, which job-description requirements it detected — and, importantly, it warns you where the job asks for skills your CV doesn't show, so you can address a gap honestly or decide the fit isn't there. Nothing is invented on your behalf.

That workflow keeps you in the editor's seat: the AI does the matching and the first draft, and you do the judgment and the voice. Since the letter draws its evidence from your CV, it pays to pair it with a Harvard-format CV that presents that evidence cleanly in the first place.