Data updated: July 2026
John C. O'Leary III, PhD ✓
@johncolearyiii · Instagram · US · music
About John C. O'Leary III, PhD
@johncolearyiii's followers & following
@johncolearyiii currently has 20,876 followers on Instagram and follows 4,301 accounts, a follower-to-following ratio of 4.85. That places the account in the micro tier of music creators.
@johncolearyiii's content
@johncolearyiii has published 968 posts to date, working across reels, long-form-video, static-posts. The account's content is classified under music, science, education. Bio: “Jazz pianist, neuroscientist, composer, pianist for @laluchaband, & @yamahaentertainmentgroup and @sequential_llc artist.”
AI quality check on @johncolearyiii
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@johncolearyiii's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@johncolearyiii's audience
Audience snapshot
50% male · 50% female
Core age group35-44
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate → free trialWhich brands fit John C. O'Leary III, PhD?
Frequently asked questions
How many Instagram followers does @johncolearyiii have?
As of July 2026, @johncolearyiii has 20,876 followers (21K) on Instagram, follows 4,301 accounts, and has published 968 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @johncolearyiii?
Verified contact details for @johncolearyiii — including business email where available — are held in Zaver, alongside contacts for millions of other Instagram creators. Zaver users can unlock them instantly and reach out from your own inbox. Unlock @johncolearyiii's contact info — free trial →
How much does @johncolearyiii charge for a sponsored post?
@johncolearyiii sits in the standard price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate →
What is @johncolearyiii's net worth?
@johncolearyiii's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 21K followers and a standard price tier in music, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @johncolearyiii have fake followers?
Zaver's AI authenticity check scores @johncolearyiii 97/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →
Who follows @johncolearyiii?
@johncolearyiii's 21K followers skew 50% male / 50% female, core age group 35-44. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @johncolearyiii's report on Zaver.
Which influencers are similar to @johncolearyiii?
Zaver lists comparable music creators in United States in the "Influencers like @johncolearyiii" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 124,111 vetted music creators with plain-English queries.
