David Guo

David Guo: Email & Phone Number

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Lead Security Architect at Apple|United States

Position:

Lead Security Architect at Apple

Location:

United States

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Last updated: 2025-12-18
Updated: 2025-12-18

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Work Experience 17 years

Lead Security Architect at Apple

Apr 2022 - Current

Senior Security Engineer at Apple

Mar 2020 - Mar 2022

Security Architect at Apple

Jun 2018 - Feb 2020

Security Architect at Palo Alto Networks

Jul 2016 - May 2018

Senior Security Engineer at Palo Alto Networks

Jan 2015 - Jun 2016

Security Engineer at Palo Alto Networks

Jan 2013 - Dec 2014

Security Architect at IBM Security - by Megaplus

Apr 2011 - Dec 2012

Senior Security Engineer at IBM Security - by Megaplus

Feb 2009 - Mar 2011

IT Security Engineer| Entry-Level Engineering at IBM Security - by Megaplus

Jan 2009 - Feb 2009

David Guo started working in 2009, then the employee has changed 2 companies and 4 jobs. On average, David Guo works for one company for 1 year 10 months.

Education

Master of Science, Computer Science at Stanford University

Bachelor of Engineering, at Tsinghua University

Frequently Asked Questions

What is David Guo's email address?

SignalHire found a verified business email address for David Guo: g*****d@apple.com.

What is David Guo's phone number?

SignalHire found a verified phone number for David Guo: +1-***-***-8500.

How do I contact David Guo at Apple?

You can reach David Guo through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is David Guo's professional background?

David Guo has 17 years of professional experience. They have held roles including Senior Security Engineer, Security Architect, and Security Architect at companies such as Apple, Apple, and Palo Alto Networks. Their education includes Master of Science, Computer Science from Stanford University, and Bachelor of Engineering, from Tsinghua University.

Is David Guo's contact information up to date?

Yes. David Guo's SignalHire profile was last updated on 18 December 2025, reflecting their current position as Lead Security Architect at Apple in Cupertino, California, United States.

David Guo Namesakes

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Company
Position
David Guo
Customer Relationship Management Administrator
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David Guo
SHENZHEN PERTIE TECHNOLOGY LIMITED COMPANY
Director Sales
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David Guo
Shanghai AREC Financial Service Company
CEO
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