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⭐2.03M influencer listings 🏢31.7K sponsor listings 🌍52.41B combined audience reach 📊13 platforms indexed 🗺️130+ countries covered 🏷️10,000+ niches 🟣697.6K Twitch creators 🦋618.9K Bluesky creators 🎙️327K podcast creators 🐘141.4K Mastodon creators ▶️71.9K YouTube creators 🥊65.5K Kick creators ✈️47.4K Telegram creators 𝕏32.3K X creators 🎵15.6K TikTok creators 🎮5.2K Discord creators 🎬3.1K Rumble creators 🧵1.2K Threads creators ⭐2.03M influencer listings 🏢31.7K sponsor listings 🌍52.41B combined audience reach 📊13 platforms indexed 🗺️130+ countries covered 🏷️10,000+ niches 🟣697.6K Twitch creators 🦋618.9K Bluesky creators 🎙️327K podcast creators 🐘141.4K Mastodon creators ▶️71.9K YouTube creators 🥊65.5K Kick creators ✈️47.4K Telegram creators 𝕏32.3K X creators 🎵15.6K TikTok creators 🎮5.2K Discord creators 🎬3.1K Rumble creators 🧵1.2K Threads creators
Prof Cathryn Costello

Prof Cathryn Costello

Bluesky @profccostello.bsky.social
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🔄 Data last refreshed 11 hours ago
🤝

Make a deal with Prof Cathryn Costello

🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne post with your link and message, clearly disclosed. $15→ 🧵Sponsored threadA 3–5 post storytelling thread — Bluesky rewards substance o… $38→ 📌Pinned sponsored postA sponsored post pinned to the top of my profile for the mon… $45/mo→ 🔗Link-in-bio placementYour link in my bio for the month. $23/mo→ 🔁Repost packageI repost your account's posts through the month — distributi… $30/mo→ ⭐Starter-pack placementYour account included in my starter pack — new users follow … $30/mo→ 🎁Giveaway postYou supply the prize — I run the giveaway post and pick winn… $12→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $18→ 🤝Mutual shoutout collabWe shout each other out — a value swap between accounts. Swap→ 🎬UGC HireBranded content for your own channels & ads from $50→ 🎙️Podcast guest spotInvite Prof Cathryn Costello onto your podcast (~45 min, rem… $27→

Every booking is a normal escrow-protected deal.

Followers
835
Account age
1 yrs
🧰 Free analysis for Prof Cathryn Costello
🕵️ Fake follower check 📊 Engagement rate 💰 What they charge

📊 Activity & format

Follower / following
0.5×
Follows 1.8K back. A more reciprocal / networked account.

🦋 Handle & authenticity

Bluesky handle
@profccostello.bsky.social
A default .bsky.social handle — genuine, but not domain-verified. Confirm identity before a high-value deal.
On Bluesky since
Mar 2025
Joined after Bluesky opened to the public — a settled account with a real history.

💡 Facts

🗓️Joined Bluesky in 2025 — 1 year ago.

🕵️ Fake follower check

Estimated
53/100
Fair Credibility score
84%
Real Real audience
Low Fake-follower risk
Medium Data confidence
  • Est. 84% real, active audience · Low fake-follower risk.
  • Limited engagement data — score uses the signals available.

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

Full Prof of Global Refugee and Migration Law, Sutherland School of Law, UCD; ex-Refugee Studies Centre, University of Oxford; ex-Centre for Fundamental Rights, Hertie School, Berlin. Recent return migrant after two decades.

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

J2Ruto - Voice Actor | Comedian | Writer | Creative Director J2Ruto - Voice Actor | Comedian | Writer | Creative Director 17% Drace Phylo Drace Phylo 17% Shishi Shishi 16% IndexOfSuspicion IndexOfSuspicion 15% Evets Evets 14% donniedonuts donniedonuts 10%

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