The Building 21 company source record lists 28 employees. The visible Building 21 management graph includes:
Eric Coronel
Director of Data Analytics at Building 21
1
0
General
(10)
Laura Shubilla
Co-founder, Building 21
4
3
Healthcare
(1)
Kevin Mcrory
Special Education Teacher - Building 21contracted to Teacher Through Invo Healthcare Services
1
0
Related company intelligence for Building 21
1 same-industry peer
9 with employee estimates
10 with websites
10 with social profiles
4 peer evidence types
Peer evidence source coverage
4 source-backed evidence types support this related-company graph.
same-industry peers, employee benchmarks, website records, and social profiles
Same-industry peers
1 / 10
1 of 10 related companies shares this company's industry classification.
Employee benchmarks
9 / 10
9 of 10 related companies include employee estimates.
Website records
10 / 10
10 of 10 related companies include official website records.
Social profiles
10 / 10
10 of 10 related companies include company social profile signals.
Peer link quality filter
Multi-signal peer link set
10 related companies met the 2-signal peer-link threshold. Eligible peers average 3.9 source-backed signals.
10
eligible
0
filtered
3.9
avg signals
Peer comparison matrix
Limited peer comparison
Compares this company with related-company evidence across employee scale and peer graph evidence.
employee scale and peer graph evidence
Employee scale
Near peer median size
This company
28 employees
Related peers
27 median peer employees
4 related employee-estimated peers are higher and 5 are lower.
9 related companies with employee estimates
Peer graph evidence
Multi-signal peer benchmark evidence
This company
Benchmark-ready peer graph
Related peers
3 benchmark dimensions
Peer benchmark combines 10 related companies with peer graph strength, size benchmark, and size position. Underlying peer graph includes 4 evidence types: industry context, employee benchmarks, website records, social profiles.
industry context, employee benchmarks, website records, social profiles
Peer benchmark evidence
Multi-signal peer benchmark evidence
Peer benchmark combines 10 related companies with peer graph strength, size benchmark, and size position. Underlying peer graph includes 4 evidence types: industry context, employee benchmarks, website records, social profiles.
peer graph strength
size benchmark
size position
Peer position benchmark
Employee-scale peer position benchmark
Peer-position benchmark shows employee scale above 55.6% of 9 comparable related peers.
Directional peer-position evidence:
Peer-position evidence combines employee scale above 55.6% of 9 comparable related peers from related-company records.
Employee scale: 55.6%
Peer graph strength
Benchmark-ready peer graph
Related peer graph has industry context, employee benchmarks, website records, and social profiles across 10 related companies.
Peer median size
27 employees
Largest peer by size
Launchpad Philly
70 employees
Building 21 size signal
28 employees
Peer size comparison
4 larger · 5 smaller
Peer scale position
Near peer median size
4 related employee-estimated peers are higher and 5 are lower.
Building 21 people graph sample
-
Benjamin Koch
Interim Principal
Philadelphia, Pennsylvania, United States3 email signals: 1 email signal on b-21.org, 2 non-official email signals4 phone signals available
-
Thomas Gaffey
Always Learning. Always Teaching.
Philadelphia, Pennsylvania, United States4 email signals: 1 email signal on b-21.org, 3 non-official email signals2 phone signals available
-
Melanie Hidalgo-Britt
Fundraising and Development Executive - Relationship Builder - Strategy - Marketing - Stem Advocate
Greater Philadelphia, United States4 email signals across 4 non-official domains2 phone signals available
-
Amy Ksir
I Love Solving Challenging Problems Through Joyful Teamwork.
Philadelphia, Pennsylvania, United States2 email signals across 2 non-official domains
How AeroLeads builds company intelligence
Use source-backed company records
AeroLeads combines company source fields, workforce samples, email-pattern aggregates, and related-company records when those signals are available.
Show only available evidence
Blank source fields are omitted. Contact channels are summarized as signals, with raw email addresses and phone numbers masked on public pages.
Compare useful company context
Related company, market, workforce, technology, and management signals help turn a static company listing into a company intelligence page.
Contact research
AeroLeads intelligence
Review reachable contact coverage for Building 21
AeroLeads maps 4 visible contact signals for Building 21. Coverage is multi-channel contact coverage.