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John Baek Email & Phone Number

Red Team at Slack
Location: Greater Philadelphia, United States, United States 9 work roles 1 school
1 work email found @slack-corp.com 1 phone found area 888 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email j****@slack-corp.com
Direct phone (888) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Red Team
Location
Greater Philadelphia, United States, United States

Who is John Baek? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

John Baek is listed as Red Team at Slack, based in Greater Philadelphia, United States, United States. AeroLeads shows a work email signal at slack-corp.com, phone signal with area code 888, and a matched LinkedIn profile for John Baek.

John Baek previously worked as Staff Software Engineer - Security (Red Team) at Slack and Philadelphia Chapter Co-Leader at Owasp Foundation. John Baek holds Bachelor Of Arts, Computer Science from Dartmouth College.

Company email context

Email format at Slack

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

{first_initial}{last}@slack-corp.com
86% confidence

AeroLeads found 1 current-domain work email signal for John Baek. Compare company email patterns before reaching out.

Profile bio

About John Baek

John is a security professional with extensive technical expertise in OS & network security, PKI, Trusted Computing, and secure programming. John is an experienced C/C++ programmer with proficiency in other programming languages. John also has research experience as part of Dartmouth PKI/Trust Lab, ISTS (Institute for Security, Technology, and Society), TCIP (Trustworthy Cyber Infrastructure for the Power Grid), and TCG (Trusted Computing Group). John also holds the following leading security professional certifications: - OSCP - CISSP - CISACombining his technical knowledge and communication skills, John understands clients' unique information security requirements and assists clients in designing, testing, and improving their security controls and programs.Specialties: - Red Team - Penetration Test - Application Security Assessment - Security Vulnerability Assessment - Wireless Security Assessment - PKI Architecture Design and Assessment - Security Program (Policy, Procedure, Standards, Guideline) Gap Analysis - Security Program Development - Compliance Review (HIPAA, PCI, SOX, GLBA, DICAP) - PCI ASV Scan - Software Development (C, C++, Java, Ruby, Perl, etc.) - Trusted Computing / High-Assurance Computing

Listed skills include Information Security, Vulnerability Assessment, Penetration Testing, Computer Security, and 25 others.

Current workplace

John Baek's current company

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

Slack
Slack
Red Team
AeroLeads page
9 roles

John Baek work experience

A career timeline built from the work history available for this profile.

Staff Software Engineer - Security (Red Team)

Current

San Francisco, California, US

Feb 2021 - Present

Philadelphia Chapter Co-Leader

Current

Wakefield, MA, US

Mar 2014 - Present

Red Team Lead

Arlington, Virginia, US

Jun 2016 - Sep 2018

Senior Manager

Dublin 2, IE

Jun 2016 - Sep 2018

Director Of Technical Services

Bala Cynwyd, PA, US

Aug 2014 - Jun 2016

Senior Manager

Menlo Park, California, US

Dec 2012 - Aug 2014

Manager

Menlo Park, California, US

Dec 2011 - Dec 2012

Senior Information Security Consultant

Indianapolis, IN, US

Dec 2007 - Dec 2011
1 education record

John Baek education

  • Dartmouth College
    Dartmouth College
    Computer Science
FAQ

Frequently asked questions about John Baek

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

What company does John Baek work for?

John Baek works for Slack.

What is John Baek's role at Slack?

John Baek is listed as Red Team at Slack.

What is John Baek's email address?

AeroLeads has found 1 work email signal at @slack-corp.com for John Baek at Slack.

What is John Baek's phone number?

AeroLeads has found 1 phone signal(s) with area code 888 for John Baek at Slack.

Where is John Baek based?

John Baek is based in Greater Philadelphia, United States, United States while working with Slack.

What companies has John Baek worked for?

John Baek has worked for Slack, Owasp Foundation, Td Ameritrade, Fusionx, and Accenture.

How can I contact John Baek?

You can use AeroLeads to view verified contact signals for John Baek at Slack, including work email, phone, and LinkedIn data when available.

What schools did John Baek attend?

John Baek holds Bachelor Of Arts, Computer Science from Dartmouth College.

What skills is John Baek known for?

John Baek is listed with skills including Information Security, Vulnerability Assessment, Penetration Testing, Computer Security, Security, Cissp, Information Security Management, and Pci Dss.

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