John Castillo

John Castillo: Email & Phone Number

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Technical Support Specialist at Follett Software|Katy, Texas, United States

Position:

Technical Support Specialist at Follett Software

Location:

Katy, Texas, United States

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Last updated: 2026-10-15
Updated: 2026-10-15

Found email addresses for John Castillo:

Business emails:
Personal emails:
j***@yahoo.com,
j***@aol.com,
c***@northitaliarestaurant.com

Found phones for John Castillo:

+1-623-***-**21
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Work Experience 3 years

Technical Support Specialist at Follett Software

Jul 2026 - Current

IT Support Specialist at School of Science and Technology-Sugar Land

Sep 2025 - Jun 2026

IT Support at CONCRETE PROS READY MIX INC

Apr 2023 - Sep 2025

John Castillo started working in 2023, then the employee has changed 2 companies and 2 jobs. On average, John Castillo works for one company for 1 year 2 months.

Their professional focus is Active Directory, Computer Science, and Customer Service across 3 core areas.

John holds CompTIA PenTest+, CompTIA Cybersecurity Analyst (CySA+), and Linux Essentials Certification certifications.

Education

Bachelor of Science at Western Governors University

Frequently Asked Questions

SignalHire found verified email addresses for John Castillo, both business and personal. Their business email is **@follettsoftware.com, and personal emails include c***@hotmail.com, j***@yahoo.com, and j***@aol.com.
SignalHire found multiple verified phone numbers for John Castillo: +1-480-***-**53, and +1-623-***-**21.
You can reach John Castillo 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.
John Castillo has 3 years of professional experience. They have held roles including IT Support Specialist, and IT Support at companies such as School of Science and Technology-Sugar Land, and CONCRETE PROS READY MIX INC. Their education includes Bachelor of Science from Western Governors University.
Yes. John Castillo's SignalHire profile was last updated on 15 October 2026, reflecting their current position as Technical Support Specialist at Follett Software in McHenry, IL, United States.

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John Castillo
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John Castillo
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