Lead Jaeil
LinkedIn Creator / Author
Showing how to build career and business opportunities through LinkedIn branding.
30,000+
Followers
1.3M+
Impressions
3
Career moves via LinkedIn
11
Speaking Events
Followers and impressions are totals across LinkedIn, Threads, and the Naver blog. The per-channel figures are on the channels page.
Start Here
Your LinkedIn starting point
Four paths, depending on where you are right now. Pick the one that sounds like you.
If you're just getting started
LinkedIn Lab (free)
A free open chat where you can ask anything before spending a won. Pairs well with the book if you want a structured walkthrough.
Join the free communityIf you're aiming for a global company
5-Week Global Career Challenge
Profile, English resume, recruiter outreach, interview prep. One mission a week until you get there.
See the challengeIf you want business opportunities
LinkedIn Workshop
Done-with-you sessions covering profile optimization, content strategy, and your first posts, built together.
See the workshopIf you're looking for a speaker
Speaking & Lectures
Conference talks, company lectures, and university sessions. Browse past events, then send an inquiry.
See speaking historyAbout
Who is Lead Jaeil
A creator who writes a career down on LinkedIn. From rewriting a single line of a headline to publishing week after week, what gets shared here is what has been tried firsthand and measured.
Writing that process down turned into two books, and into sessions on LinkedIn branding for companies, universities, and communities.
Selected work
Recent sessions
Three in-person sessions. The full record, including mentoring and campaigns, is on the speaking page.
Microsoft AI Community, "LinkedIn social branding" workshop
- Curriculum built in two stages after profiling the tracks in the room: engineering, PM, marketing
- Wrote and printed a worksheet and a reference summary so attendees could draft profile copy and post ideas on the spot
Yonsei x Indonesian Embassy 'Greenprint of Progress' Lecturer
- First solo English session
- Received 'Confident' and 'Impressive' feedback
Hyphencon Conference Speaker
- Topic pivot from career to sales
- Compressed from 40 to 30 minutes
Published Works
Books
Practical guides and essays born from real LinkedIn and career experience.
Work together
Three ways in
Free through to hands-on. Compare them side by side before deciding.
LinkedIn Lab
- Who it's for
- Anyone who wants to start on LinkedIn but is not sure what to ask first
- Cost
- Free
5-Week Global Career Challenge
- Who it's for
- Students through mid-career professionals targeting a global company
- Cost
- ₩300,000 (₩100,000 refunded at 100% mission completion)
LinkedIn Workshop
- Who it's for
- Anyone with a profile that is not producing results, or who wants business opportunities
- Cost
- ₩600,000 (one all-in session)
Feedback
What attendees said
Written and surveyed by people who were in the room.
On 3 June I had 38 LinkedIn connections. Today I have 1,059.
Reader of “It works! LinkedIn” · 2026.08
Every respondent said they would recommend it to a friend or colleague.
Microsoft AI Community, AI Playground · 2026.07
What stayed with me most: opportunity is made inside relationships.
Twojob Lab, Twojobmate fifth guest talk · 2026.07
Let's Connect
For speaking, coaching, collaboration, or interview inquiries, feel free to reach out.
Speaking or collaboration? Use the inquiry form