John Harrison: Email & Phone Number

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Chief Executive Officer at Palo Alto Networks|Cranston, Rhode Island, United States

Position:

Chief Executive Officer at Palo Alto Networks

Location:

Cranston, Rhode Island, United States

View John Harrison's Email

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Last updated: 2025-10-05

Updated: 2025-10-05

Found email addresses for John Harrison:

Business emails:

h**@paloaltonetworks.com

Personal emails:

h***@yahoo.com,

h***@gmail.com,

h***@cisco.com,

h***@ibm.biz

Found phones for John Harrison:

+1-480-***-**78,

+1-870-***-**89

A different John Harrison?

Work Experience 21 years

Chief Executive Officer at Palo Alto Networks

Jan 2018 - Current

Vice President Security at Cisco

Jan 2013 - Jan 2017

Vice President Information Technology at IBM Security

Jan 2009 - Jan 2013

Director Product Strategy at Symantec

Jan 2005 - Jan 2009

John Harrison started working in 2005, then the employee has changed 3 companies and 3 jobs. On average, John Harrison works for one company for 5 years 2 months.

Education

Master of Business Administration at Harvard Business School

Master of Science at Stanford University

Bachelor of Engineering at University of Illinois Urbana-Champaign

Frequently Asked Questions

What is John Harrison's email address?

SignalHire found verified email addresses for John Harrison, both business and personal. Their business email is h**@paloaltonetworks.com, and personal emails include h***@yahoo.com, h***@gmail.com, and h***@cisco.com.

What is John Harrison's phone number?

SignalHire found multiple verified phone numbers for John Harrison: +1-480-***-**78, and +1-870-***-**89.

How do I contact John Harrison at Palo Alto Networks?

You can reach John Harrison 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 John Harrison's professional background?

John Harrison has 21 years of professional experience. They have held roles including Vice President Security, Vice President Information Technology, and Director Product Strategy at companies such as Cisco, IBM Security, and Symantec. Their education includes Master of Business Administration from Harvard Business School, and Master of Science from Stanford University.

Is John Harrison's contact information up to date?

Yes. John Harrison's SignalHire profile was last updated on 5 October 2025, reflecting their current position as Chief Executive Officer at Palo Alto Networks in SANTA CLARA, California, United States.

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