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John Osner Email & Phone Number

Mentor Teacher at Charles Armstrong School at Charles Armstrong School
Location: San Carlos, California, United States 1 work role
2 work emails found @charlesarmstrong.org LinkedIn matched
✓ Verified August 2026 3 data sources Profile completeness 71%

Contact Signals · 2 work emails

Work email j****@charlesarmstrong.org
LinkedIn Profile matched
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Current company
Charles Armstrong School
Role
Mentor Teacher at Charles Armstrong School
Location
San Carlos, California, United States
Company size
93 employees

Who is John Osner? Overview

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Quick answer

John Osner is listed as Mentor Teacher at Charles Armstrong School at Charles Armstrong School, a with 93 employees, based in San Carlos, California, United States. AeroLeads shows a work email signal at charlesarmstrong.org and a matched LinkedIn profile for John Osner.

John Osner previously worked as Mentor Teacher at Charles Armstrong School.

Company email context

Email format at Charles Armstrong School

This section adds company-level context without repeating John Osner's masked contact details.

{first_initial}{last}@charlesarmstrong.org
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AeroLeads found 2 current-domain work email signals for John Osner. Compare company email patterns before reaching out.

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Profile bio

About John Osner

John Osner is a Mentor Teacher at Charles Armstrong School at Charles Armstrong School.

Current workplace

John Osner's current company

Company context helps verify the profile and gives searchers a useful next step.

Charles Armstrong School
Charles Armstrong School
Mentor Teacher at Charles Armstrong School
belmont, california, united states
Website
charlesarmstrong.org
Employees
93
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1 role

John Osner work experience

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Team & coworkers

Colleagues at Charles Armstrong School

Other employees you can reach at charlesarmstrong.org. View company contacts for 93 employees →

NC Nancy Collins Kelly Nancy Collins Kelly Colleague at Charles Armstrong SchoolSan Mateo, California, United States View → JR Juliana Rossi Juliana Rossi Colleague at Charles Armstrong SchoolSan Francisco, California, United States View → ER Emily Riley Emily Riley Colleague at Charles Armstrong SchoolSan Francisco, California, United States View → BL Brandon Lee Brandon Lee Colleague at Charles Armstrong SchoolLos Altos, California, United States View → MK Monica Kirkpatrick Monica Kirkpatrick Colleague at Charles Armstrong SchoolSan Francisco Bay Area, United States View → RL Ralph Lortie Ralph Lortie Colleague at Charles Armstrong SchoolUnited States View → AN Andrew Nusbaum Andrew Nusbaum Colleague at Charles Armstrong SchoolSan Francisco, California, United States View → LS Lynne Shepherd Lynne Shepherd Colleague at Charles Armstrong SchoolSan Francisco, California, United States View → AP Ana Paye Ana Paye Colleague at Charles Armstrong SchoolBelmont, California, United States View → MD Maggie Dale Maggie Dale Colleague at Charles Armstrong SchoolSan Francisco, California, United States View →
FAQ

Frequently asked questions about John Osner

Quick answers generated from the profile data available on this page.

What company does John Osner work for?

John Osner works for Charles Armstrong School.

What is John Osner's role at Charles Armstrong School?

John Osner is listed as Mentor Teacher at Charles Armstrong School at Charles Armstrong School.

What is John Osner's email address?

AeroLeads has found 2 work email signals at @charlesarmstrong.org for John Osner at Charles Armstrong School.

Where is John Osner based?

John Osner is based in San Carlos, California, United States while working with Charles Armstrong School.

What companies has John Osner worked for?

John Osner has worked for Charles Armstrong School.

Who are John Osner's colleagues at Charles Armstrong School?

John Osner's colleagues at Charles Armstrong School include Nancy Collins Kelly, Juliana Rossi, Emily Riley, Brandon Lee, and Monica Kirkpatrick.

How can I contact John Osner?

You can use AeroLeads to view verified contact signals for John Osner at Charles Armstrong School, including work email, phone, and LinkedIn data when available.

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