Stefan Koopmanschap✓ Add us as a preferred source on Google
🔄 Data last refreshed 3 hours ago
🤝
Make a deal with Stefan Koopmanschap
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
1.5K
Account age
8 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Stefan Koopmanschap
📊 Post engagement
Recent posts · likes + reposts
Jul 2latest
7
Avg engagement / post
2–7
Typical post (engagement)
0.5%
Engagement vs followers
42/100
Variable reach
Aug 2018
On Mastodon since
Half of recent posts land between 2 and 7 likes + reposts (median 4) — reach is spiky, driven by the occasional post that pops.
🔥 Top post: oh come on people! "AI powered" is not the fancy sales pitch you · 31 likes + reposts
📊 Activity & format
Posting cadence
3.2 / week
Posts several times a week.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
3.1×
Follows 491 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
@ploi heya! I was looking at your offering, and it's looking good! Any chance you're working on adding Dutch server providers such as Tilaa or TransIP?
France and the whole world just got a bit darker.
https://youtu.be/MV_3Dpw-BRY
#protip: if you want to select something from a database, do not start your query with `seleect`. that won't work.
Decided to put some leftover bandcamp codes on band.codes, so if anyone wants to grab my Elektroraum EP: https://band.codes/stefankoopmanschap/elektroraum
Yay for having tests that catch a bug in a change in code.
What to do when your old developer/development partner leaves? https://magma.dev/2026/06/the-orphaned-system/ #linktuesday
if you haven't seen it yet, @dutchphpconference has my talk on sociocratic decision making available: https://phpconference.nl/session/how-to-make-good-decisions-with-a-happy-team/
Happy international non-binary people's day!
Happy to announce I'll be speaking at #SymfonyCon Warsaw this November! It's going to be a brand new talk on improving inclusiveness: https://live.symfony.com/2026-warsaw-con/schedule
Will I see you there?
Last day of the CfP for @symfony con Warsaw!
I just submitted two brand new talks. Have you submitted something already? https://live.symfony.com/2026-warsaw-con/cfp
🐘 Community & instance
Home server
phpc.social
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Aug 2018
An OG fediverse account from Mastodon's early years — a long, established presence.
💡 Facts
🗓️Joined Mastodon in 2018 — 8 years ago.
👁️Averages 7 views per post.
📤Posts about 3.2× per week.
🕵️ Fake follower check
Estimated75/100
Good
Credibility score
92%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 92% real, active audience · Low fake-follower risk.
- Engagement (~0.5% of followers engage each post) is around typical for Mastodon.
- Verified account.
- Established account (8+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
PHP | speaker | anticapitalist entrepreneur | Rebel @ Extinction Rebellion
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
Rami Krispin :unverified:
15%
Five Books
14%
maique :prami_pride:
14%
Philip Loring
14%
Tricia Wood
10%
Florence 🌺
10%
More like this
Find more →
Mastodon
＋
Tricia Wood
@pkbwood@mastodon.online
1.5K
Followers
Mastodon
＋
Rami Krispin :unverified: ✓
@ramikrispin@mstdn.social
1.5K
Followers
Mastodon
＋
Florence 🌺
@florence_carlus@mastodon.art
1.5K
Followers
Mastodon
＋
Five Books ✓
@fivebooks@mastodon.social
1.5K
Followers
Mastodon
＋
maique :prami_pride: ✓
@maique@social.lol
1.5K
Followers
Mastodon
＋
Philip Loring ✓
@conservechange@spore.social
1.5K
Followers
Frequently asked questions
How much does Stefan Koopmanschap charge for a sponsorship?
Stefan Koopmanschap hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact Stefan Koopmanschap for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify Stefan Koopmanschap, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does Stefan Koopmanschap have?
Stefan Koopmanschap has 1,506 followers on Mastodon.
✉ Message Stefan Koopmanschap
Reaching out to influencers is a Pro feature. Upgrade to message any influencer directly — perfect for brands and agencies booking sponsorships.
- ✓ Message any influencer from their listing
- ✓ The influencer gets notified by email
- ✓ Manage every conversation in one inbox
Already Pro? Log in.
🎤 Event / appearance with Stefan Koopmanschap
Booking an event / appearance is a Pro feature. Upgrade to book Stefan Koopmanschap for an in-person or virtual appearance — payment held safely in escrow until the event is done.
- ✓ Book them for events, livestreams, panels & more
- ✓ Stefan Koopmanschap gets notified by email
- ✓ Fee held in escrow, released after the appearance
Already Pro? Log in.
🚀
You're out of free requests this month
Free accounts get 5 per month. Go Pro for unlimited sponsor pitches, collab requests & sponsorship deals — plus featured placement, the Verified badge, free withdrawals and more.
Upgrade to Pro — $9.95/mo →Your free limit resets on the 1st of next month.
Auto-generated from Mastodon's public data — no affiliation with or endorsement by SocialDB. Is this you? Claim it · Remove