Caster John: Email & Phone Number

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Business Development Supervisor at Jassen Harris Industries Corporation|Manila, National Capital Region, Philippines

Position:

Business Development Supervisor at Jassen Harris Industries Corporation

Location:

Manila, National Capital Region, Philippines

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Last updated: 2026-06-18

Updated: 2026-06-18

Found email addresses for Caster John:

Business emails:

c***********a@jassenharris.com

Found phone for Caster John:

+63-***-***-6297

A different Caster John?

Work Experience 5 years

Business Development Supervisor at Jassen Harris Industries Corporation

Apr 2024 - Current

Business Development Specialist at Jassen Harris Industries Corporation

Jan 2024 - Apr 2024

Technical Specialist at Jassen Harris Industries Corporation

Jan 2023 - Jan 2024

Part-Time University Instructor at University of Santo Tomas

Sep 2023 - May 2024

Science Research Assistant at University of Santo Tomas - iSULAT

Jul 2022 - Jul 2023

Intern at DOST-TOMASInno Center

Jul 2021 - Feb 2022

Caster John started working in 2021, then the employee has changed 3 companies and 5 jobs. On average, Caster John works for one company for 1 year.

Their professional focus is Adobe Photoshop, Analytical Skills, and Arduino IDE across 3 core areas.

Caster holds Licensed Electronics Technician and Licensed Electronics Engineer certifications and has been awarded Natatanging Lider ng Taon, St. John the Baptist for Leadership Awardee, and National Robotics Competition 2016 Creative Category, Second Placer

Education

Bachelor of Science - BS at University of Santo Tomas

Frequently Asked Questions

What is Caster John's email address?

SignalHire found a verified business email address for Caster John: c***********a@jassenharris.com.

What is Caster John's phone number?

SignalHire found a verified phone number for Caster John: +63-***-***-6297.

How do I contact Caster John at Jassen Harris Industries Corporation?

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

Caster John has 5 years of professional experience. They have held roles including Business Development Specialist, Technical Specialist, and Part-Time University Instructor at companies such as Jassen Harris Industries Corporation, Jassen Harris Industries Corporation, and University of Santo Tomas. Their education includes Bachelor of Science - BS from University of Santo Tomas.

Is Caster John's contact information up to date?

Yes. Caster John's SignalHire profile was last updated on 18 June 2026, reflecting their current position as Business Development Supervisor at Jassen Harris Industries Corporation.

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