Jazz pianist, neuroscientist, composer, pianist for @laluchaband, & and artist.
Followers
20.9K
Following
4.3K
Total Posts
Engagement Rate
1.01%
Avg Likes
200
Avg Comments
John C. O'Leary III, PhD is a verified Music brand on Instagram, tracked in the InstME index with 20.9K followers. Its posts sit across music and art. To date John C. O'Leary III, PhD has posted 976 times, currently less than one post a week. Typical posts draw 200 likes and 12 comments, putting engagement at 1.01%.
Johncolearyiii has built an audience of 20.9K followers on Instagram over 976 posts as a Music account.
Johncolearyiii's 1.01% engagement rate is below the median of 2.47% among Music accounts with 10K–100K followers, measured across 17,051 accounts in the InstME index.
Roughly one in 17 likes comes with a comment, an unusually discussion-heavy audience.
Johncolearyiii's videos average 2K views per post.
Johncolearyiii's output runs to less than one post per week.
On audience quality, Johncolearyiii lands at 100/100, an estimated 0% of followers read as low-quality or inactive, a strong signal of genuine reach.
Estimated sponsored-post value
$74–$140
Based on 20.9K followers and a 1.01% engagement rate, a single sponsored post by Johncolearyiii is worth an estimated $74–$140. This is a modeled range, not a quoted rate, actual pricing varies by niche, content format, usage rights and exclusivity.
Audience Health
~0% of followers look low-quality or inactive.
View Full AuditThere’s more behind this audience. See what the full audit reveals.Audience (estimated)
Est.| Metric | Johncolearyiii | Cohort median |
|---|---|---|
| Engagement rate | 1.01% | 2.47% |
| Average likes | 200 | 535 |
| Average comments | 12 | 35 |
| Posts per week | 0.04 | 0.35 |
Median values from 17,051 Music accounts with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Jul 15, 2026
John C. O'Leary III, PhD is a verified music brand on Instagram, with 20.9K followers.
John C. O'Leary III, PhD posts on Instagram as @johncolearyiii.
John C. O'Leary III, PhD has 20,890 followers on Instagram (20.9K) as of Jul 15, 2026.
John C. O'Leary III, PhD's engagement rate is 1.01%, calculated from average likes and comments per post relative to followers. That is below the median of 2.47% for Music accounts with 10K–100K followers in the InstME index.
Posts by John C. O'Leary III, PhD average 200 likes and 12 comments.
John C. O'Leary III, PhD posts less than once a week on average.
InstME's audience-quality analysis estimates about 0% of John C. O'Leary III, PhD's followers are low-quality or inactive, giving an audience-quality score of 100/100.
John C. O'Leary III, PhD is registered as a business account on Instagram and is verified.
976
12
Avg Views
1,955
Posts / Week
0.04
Growth Score
20.2 / 100
More men than women · mostly 16–30
Typical for Music creators, modeled from the niche, not measured for this account.
Content Focus
Primary: Music
Secondary: Art
Engagement
1.43%
John C. O'Leary III, PhD is categorized as a music and art account in the InstME index, based on the profile's bio and Instagram category across 976 posts.
Yes. John C. O'Leary III, PhD carries the blue verified badge on Instagram.
A sponsored post from John C. O'Leary III, PhD is estimated at $74 to $140. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.