John M Barr
3 email domains
AeroLeads people directory · profile
John M. Jack Email & Phone Number
Principal
at
Castle Peak Group
1 work email found
@a16z.com
8 phones found area 415, 530, and 650
LinkedIn matched
4 data sources
Profile completeness 71%
Current company
Role
Principal
Location
San Francisco, California, United States
Company size
Who is John M. Jack? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John M. Jack is listed as Principal at Castle Peak Group, a company with 8 employees, based in San Francisco, California, United States. AeroLeads shows a work email signal at a16z.com, phone signal with area code 415, 530, 650, and a matched LinkedIn profile for John M. Jack.
Company email context
Email format at Castle Peak Group
This section adds company-level context without repeating John M. Jack's masked contact details.
{first}{last}@a16z.com
86% confidence
AeroLeads found 1 current-domain work email signal for John M. Jack. Compare company email patterns before reaching out.
Profile bio
About John M. Jack
John M. Jack is a Principal at Castle Peak Group.
Current workplace
John M. Jack's current company
Company context helps verify the profile and gives searchers a useful next step.
Castle Peak Group
1 role
John M. Jack work experience
A career timeline built from the work history available for this profile.
-
Principal
FAQ
Frequently asked questions about John M. Jack
Quick answers generated from the profile data available on this page.
What company does John M. Jack work for?
John M. Jack works for Castle Peak Group.
What is John M. Jack's role at Castle Peak Group?
John M. Jack is listed as Principal at Castle Peak Group.
What is John M. Jack's email address?
AeroLeads has found 1 work email signal at @a16z.com for John M. Jack at Castle Peak Group.
What is John M. Jack's phone number?
AeroLeads has found 8 phone signal(s) with area code 415, 530, 650 for John M. Jack at Castle Peak Group.
Where is John M. Jack based?
John M. Jack is based in San Francisco, California, United States while working with Castle Peak Group.
What companies has John M. Jack worked for?
John M. Jack has worked for Castle Peak Group.
How can I contact John M. Jack?
You can use AeroLeads to view verified contact signals for John M. Jack at Castle Peak Group, including work email, phone, and LinkedIn data when available.
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