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Sean Liang Email & Phone Number
Cloud Security Engineer at Proofpoint
at
Proofpoint
LinkedIn matched
✓ Verified July 2026
2 data sources
Profile completeness 71%
Current company
Role
Cloud Security Engineer at Proofpoint
Location
San Francisco, California, United States
Company size
Who is Sean Liang? Overview
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Quick answer
Sean Liang is listed as Cloud Security Engineer at Proofpoint at Proofpoint, a with 3582 employees, based in San Francisco, California, United States. AeroLeads shows a matched LinkedIn profile for Sean Liang.
Sean Liang previously worked as Cloud Security Engineer at Proofpoint.
Company email context
Email format at Proofpoint
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Proofpoint
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Profile bio
About Sean Liang
Sean Liang is a Cloud Security Engineer at Proofpoint at Proofpoint.
Current workplace
Sean Liang's current company
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Proofpoint
1 role
Sean Liang work experience
A career timeline built from the work history available for this profile.
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Cloud Security Engineer
Team & coworkers
Colleagues at Proofpoint
Other employees you can reach at proofpoint.com. View company contacts for 3582 employees →
SL
Scot Lymer, Cissp
Colleague at ProofpointColumbia, Missouri, United States
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GD
Grant Duffey
Colleague at ProofpointDenver, Colorado, United States
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VG
Vondalea G.
Colleague at ProofpointSevern, Maryland, United States
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GE
Gretel Egan
Colleague at ProofpointClinton, Pennsylvania, United States
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ML
Matthew Lane
Colleague at ProofpointPittsburgh, Pennsylvania, United States
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RA
Raonel Alvarez Villanueva
Colleague at ProofpointPompano Beach, Florida, United States
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OA
Omer Akay
Colleague at ProofpointFatih, Istanbul, Türkiye, Turkey
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CR
Chris Romero
Colleague at ProofpointSouth Jordan, Utah, United States
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UG
Ulf Gåhlin
Colleague at ProofpointGreater Stockholm Metropolitan Area, Sweden
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CF
Christopher Fong
Colleague at ProofpointSan Francisco Bay Area, United States
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Scot Lymer, Cissp
Colleague at ProofpointColumbia, Missouri, United States
View →
GD
Grant Duffey
Colleague at ProofpointDenver, Colorado, United States
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VG
Vondalea G.
Colleague at ProofpointSevern, Maryland, United States
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GE
Gretel Egan
Colleague at ProofpointClinton, Pennsylvania, United States
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ML
Matthew Lane
Colleague at ProofpointPittsburgh, Pennsylvania, United States
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RA
Raonel Alvarez Villanueva
Colleague at ProofpointPompano Beach, Florida, United States
View →
OA
Omer Akay
Colleague at ProofpointFatih, Istanbul, Türkiye, Turkey
View →
CR
Chris Romero
Colleague at ProofpointSouth Jordan, Utah, United States
View →
UG
Ulf Gåhlin
Colleague at ProofpointGreater Stockholm Metropolitan Area, Sweden
View →
CF
Christopher Fong
Colleague at ProofpointSan Francisco Bay Area, United States
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FAQ
Frequently asked questions about Sean Liang
Quick answers generated from the profile data available on this page.
What company does Sean Liang work for?
Sean Liang works for Proofpoint.
What is Sean Liang's role at Proofpoint?
Sean Liang is listed as Cloud Security Engineer at Proofpoint at Proofpoint.
Where is Sean Liang based?
Sean Liang is based in San Francisco, California, United States while working with Proofpoint.
What companies has Sean Liang worked for?
Sean Liang has worked for Proofpoint.
Who are Sean Liang's colleagues at Proofpoint?
Sean Liang's colleagues at Proofpoint include Scot Lymer, Cissp, Grant Duffey, Vondalea G., Gretel Egan, and Matthew Lane.
How can I contact Sean Liang?
You can use AeroLeads to view verified contact signals for Sean Liang at Proofpoint, including work email, phone, and LinkedIn data when available.
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