Lucas Flatgard
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Lucas Flatgard Email & Phone Number

Information Security Architect at Sidley Austin LLP at Sidley Austin LLP
Location: San Diego, California, United States 8 work roles 2 schools
1 work email found @sidley.com 3 phones found area 312 and 202 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email l****@sidley.com
Direct phone (312) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Sidley Austin LLP
Role
Information Security Architect at Sidley Austin LLP
Location
San Diego, California, United States
Company size
4015 employees

Who is Lucas Flatgard? Overview

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Quick answer

Lucas Flatgard is listed as Information Security Architect at Sidley Austin LLP at Sidley Austin LLP, a company with 4015 employees, based in San Diego, California, United States. AeroLeads shows a work email signal at sidley.com, phone signal with area code 312, 202, and a matched LinkedIn profile for Lucas Flatgard.

Lucas Flatgard previously worked as Information Security Architect at Sidley Austin Llp and Information Security Specialist at Sidley Austin Llp. Lucas Flatgard holds M.S, Computer, Information And Network Security from Depaul University.

Company email context

Email format at Sidley Austin LLP

This section adds company-level context without repeating Lucas Flatgard's masked contact details.

{first_initial}{last}@sidley.com
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AeroLeads found 1 current-domain work email signal for Lucas Flatgard. Compare company email patterns before reaching out.

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Profile bio

About Lucas Flatgard

Lucas Flatgard is a Information Security Architect at Sidley Austin LLP at Sidley Austin LLP. He possess expertise in firewalls, security, network security, switches, information security and 1 more skills.

Listed skills include Firewalls, Security, Network Security, Switches, and 2 others.

Current workplace

Lucas Flatgard's current company

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

Sidley Austin LLP
Sidley Austin Llp
Information Security Architect at Sidley Austin LLP
chicago, illinois, united states
Website
sidley.com
Employees
4015
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Company profile
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8 roles

Lucas Flatgard work experience

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

Information Security Architect

Current
Sidley Austin Llp

Los Angeles County, California, United States

Jul 2020 - Present

Information Security Specialist

Sidley Austin Llp

Dallas, Texas, United States

Jul 2016 - Jul 2020

Senior Information Security Analyst

Sidley Austin Llp

Chicago, Illinois, United States

Jul 2013 - Jul 2016

Information Security Analyst

Sidley Austin Llp

Chicago, Illinois, United States

Nov 2010 - Jul 2013

Networking And Security Lab Assistant

Depaul

Greater Chicago Area

Support networking labs made up mostly of Cisco routers, switches and firewalls.

Sep 2006 - Nov 2010

Deskside Support

S&A Computer Services

Tier 2 hardware and software support in Windows environment.

Jun 2007 - Dec 2009

Network Infrastructure Security Intern

Rockwell Collins

Securing Linux servers and supporting PGP Universal Server.

May 2006 - Sep 2006
Team & coworkers

Colleagues at Sidley Austin LLP

Other employees you can reach at sidley.com. View company contacts for 4015 employees →

AD Alex Dyon Alex Dyon Colleague at Sidley Austin Llp Greater Chicago Area, United States View → ZT Zachry Tannis Zachry Tannis Colleague at Sidley Austin Llp New York City Metropolitan Area, United States View → ST Sandee Taylor Sandee Taylor Colleague at Sidley Austin Llp London, England, United Kingdom, United Kingdom View → DS Dahlia Saleh Dahlia Saleh Colleague at Sidley Austin Llp Chicago, Illinois, United States, United States View → RG Robin Gedge Robin Gedge Colleague at Sidley Austin Llp Bartlett, Illinois, United States, United States View → MR Mccain Renada Mccain Renada Colleague at Sidley Austin Llp Washington, District Of Columbia, United States, United States View → ER Emily Rose Emily Rose Colleague at Sidley Austin Llp Richmond, Virginia, United States, United States View → AP Ausjia Perlow Ausjia Perlow Colleague at Sidley Austin Llp Washington, District Of Columbia, United States, United States View → KE Keisha E. Brown Keisha E. Brown Colleague at Sidley Austin Llp Washington, District Of Columbia, United States, United States View → IP Issy Petersen Issy Petersen Colleague at Sidley Austin Llp Chicago, Illinois, United States, United States View →
2 education records

Lucas Flatgard education

FAQ

Frequently asked questions about Lucas Flatgard

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

What company does Lucas Flatgard work for?

Lucas Flatgard works for Sidley Austin LLP.

What is Lucas Flatgard's role at Sidley Austin LLP?

Lucas Flatgard is listed as Information Security Architect at Sidley Austin LLP at Sidley Austin LLP.

What is Lucas Flatgard's email address?

AeroLeads has found 1 work email signal at @sidley.com for Lucas Flatgard at Sidley Austin LLP.

What is Lucas Flatgard's phone number?

AeroLeads has found 3 phone signal(s) with area code 312, 202 for Lucas Flatgard at Sidley Austin LLP.

Where is Lucas Flatgard based?

Lucas Flatgard is based in San Diego, California, United States while working with Sidley Austin LLP.

What companies has Lucas Flatgard worked for?

Lucas Flatgard has worked for Sidley Austin Llp, Depaul, S&A Computer Services, Sidley Austin, and Rockwell Collins.

Who are Lucas Flatgard's colleagues at Sidley Austin LLP?

Lucas Flatgard's colleagues at Sidley Austin LLP include Alex Dyon, Zachry Tannis, Sandee Taylor, Dahlia Saleh, and Robin Gedge.

How can I contact Lucas Flatgard?

You can use AeroLeads to view verified contact signals for Lucas Flatgard at Sidley Austin LLP, including work email, phone, and LinkedIn data when available.

What schools did Lucas Flatgard attend?

Lucas Flatgard holds M.S, Computer, Information And Network Security from Depaul University.

What skills is Lucas Flatgard known for?

Lucas Flatgard is listed with skills including Firewalls, Security, Network Security, Switches, Information Security, and Networking.

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