The Two Tenses That Make or Break Your Professional Bio
And why your "About" section probably uses the wrong one!
Your bio is working right now, whether you like it or not.
While you sleep, someone in another time zone is reading your LinkedIn “About.” A recruiter is skimming your X profile. A potential client is checking the homepage of your personal website. You aren’t in the room. Your words are.
And here’s the awkward truth most language courses skip: two small tenses decide whether those words sound confident or confusing.
Present Perfect and Past Simple. Six words between them. They’re the reason an intermediate speaker and a fluent speaker can write the same bio and get completely different responses.
Today we’ll show you the rule (it’s simpler than you think), walk you through real examples from real bios, and hand you a toolkit you can download and keep. No jargon. Just the thing that fixes it.
Why this tiny grammar point matters so much
Think about where your English shows up online:
Your LinkedIn profile
Your X / Instagram / TikTok bio
The “About” page on your website
Your email signature
The first line you write when you cold-message someone
These are tiny pieces of text. Fifty words, maybe a hundred. Every word does heavy lifting.
Now imagine two versions of the same person:
❌ “I am marketing specialist. I worked in three companies. I do campaigns since 2020.”
✅ “I’m a marketing specialist. I have worked with three companies and have run campaigns since 2020.”
Same facts. Same person. Same experience. The second one gets the interview.
The difference isn’t vocabulary. It isn’t accent. It’s two tenses, used in the right places.



