
When I needed a lifeline at the lowest point in one of my careers, I did not have to ask for it.
It came from people I had worked with years earlier — in different companies, different industries, different countries. People I had not been in regular touch with. People I had no transactional reason to expect anything from.
But because we had treated each other well when we worked together, the connection was still there. And when it mattered, it showed up. That has happened to me more than once. It has happened in every country I have lived in.
Over time, I realised something most career advice gets wrong. Skills age. Industries change. Job titles disappear. But the people who watched you do the work — and remember how you treated them while doing it — keep paying that memory back, sometimes for decades.
Your network is the only career asset that compounds. And almost nobody treats it that way.
Why Networks Are Underestimated
The word “networking” has been ruined by the version of it that involves business cards, LinkedIn pitches, and awkward events with name tags. None of that is what I mean.
Real networking is what happens during the regular course of work. The colleague you helped without being asked. The junior team member you took 10 minutes to mentor. The client you treated fairly when you could have squeezed them. The vendor you paid on time when others did not. The peer in another department who you sent a useful link to because you thought of them.
Each of those interactions is a tiny deposit. Most of them feel inconsequential at the time. But over a 20- or 30-year career, those deposits accumulate into something that no résumé can capture.
The career advice industry undervalues this because it is hard to measure. There is no certification for “people who quietly trust you.” There is no LinkedIn metric for “the number of former colleagues who would take your call at midnight.” But those numbers are real, and they determine more about your career than almost anything else.
The phone calls I didn’t have to make. The people who showed up across 4 continents. Restart traces every one of those threads.
4 Lessons on Building a Network That Compounds
1. Treat Every Working Relationship Like It Will Last 20 Years
The colleague today might be the CEO of your future client tomorrow. The intern you were patient with might be the VP who hires you in another country a decade from now. The vendor you treated as a partner might launch a startup you want to invest in.
I have seen every one of those scenarios play out. The world is much smaller than it looks, and time is much longer. Acting accordingly costs nothing in the short term and pays out enormously in the long term.
The corollary is also true. Burning a bridge today often costs you something specific 10 years from now, in a way you will not even be able to trace.
2. Stay in Loose Touch — Not Heavy Contact
You do not need to maintain weekly contact with everyone you have ever worked with. That is not realistic, and it is not what compounding looks like.
What works is being someone who responds when others reach out, who occasionally reaches out yourself with something useful and not transactional, and who shows up genuinely interested when paths cross again. Send the article that reminded you of them. Congratulate them on the new role. Reply to their message even if you have no need at that moment.
Loose, warm, sporadic contact over decades beats intense contact for a few years and then silence.
3. Be Specific in How You Help
“Let me know if I can help” is a polite phrase that almost never produces actual help, because the other person has no idea what you can actually do for them.
The most valuable people in any network are specific. “I noticed you mentioned X — I worked with someone who specialises in exactly that, want me to introduce you?” “I wrote up some notes on this topic last year, here they are.” “I am happy to review your deck if you want fresh eyes.”
Specific help builds memorable relationships. Vague offers build polite acquaintanceships.
4. Leave Every Job Better Than You Found It
The way you exit a role is more important than how you entered it. The colleagues who watched you handle your final 90 days will remember that long after they forget your first 90.
Document what you knew. Train your replacement. Hand off relationships cleanly. Speak well of the company even after you have left, especially when there is something honest to be said. Send a thank-you note to the people who shaped you while you were there.
This is one of the highest-return acts in your entire career. It cost almost nothing in time, and the reputation it builds follows you forever.
The Long View Is the Only View That Works
The reason most people undervalue their network is that the payoff curve is invisible for the first 10-15 years of a career. You are putting in deposits and seeing nothing back. It feels like wasted effort.
Then somewhere around year 15, the curve bends sharply upward. People you helped 10 years ago are now in positions to help you. Former colleagues are running the companies you want to work with. Junior team members you mentored are now hiring managers. The phone calls you do not need to make happen on their own.
If you are early in your career and feel like none of this is paying off yet, that is normal. Keep making the deposits. The compounding is real, but it is slow.
If you are mid-career and starting to see the curve bend, you already understand. The work now is to keep showing up the same way for the next generation.
Restart tells the story of the relationships that carried me across six countries, four continents, and many career restarts. It is available now on Amazon and free on Kindle Unlimited.
Who is the person from your past career who unexpectedly helped you years later? I would love to hear the story.

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