John Aldrin Rivera

John Aldrin Rivera: Email & Phone Number

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Operations Supervisor at ServiceFirst|National Capital Region, Philippines

Position:

Operations Supervisor at ServiceFirst

Location:

National Capital Region, Philippines

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Last updated: 2026-05-20
Updated: 2026-05-20

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Work Experience 10 years

Operations Supervisor at ServiceFirst

Sep 2023 - Current

Lead Trainer at ServiceFirst

Sep 2023 - Nov 2024

Quality Assurance Analyst at AJT Diabetic Inc.

Apr 2022 - Jun 2023

Head Of Corporate Affairs at Qualitech Diagnostic and Medical Services

Jan 2021 - Mar 2022

Head of Sales and Marketing at Qualitech Diagnostic and Medical Services Corporation

Jan 2021 - Feb 2022

Quality Assurance Supervisor at ARB Call Facilities Inc

May 2018 - Jan 2021

Quality Assurance Specialist at ARB Call Facilities Inc

May 2018 - Jan 2020

Quality Assurance Analyst at TP

Sep 2016 - May 2018

John Aldrin Rivera started working in 2016, then the employee has changed 6 companies and 6 jobs. On average, John Aldrin Rivera works for one company for 1 year 8 months.

Their professional focus is Analytical Skills, Customer Relationship Management (CRM), and Customer Service Management across 3 core areas.

Education

Bachelor of Science - BS at Central Luzón State University

Frequently Asked Questions

What is John Aldrin Rivera's email address?

SignalHire found verified email addresses for John Aldrin Rivera, both business and personal. Their business email is a**@servicefirstcx.com, and personal emails include j*********6@gmail.com.

What is John Aldrin Rivera's phone number?

SignalHire found a verified phone number for John Aldrin Rivera: +63-***-***-4808.

How do I contact John Aldrin Rivera at ServiceFirst?

You can reach John Aldrin Rivera 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 Aldrin Rivera's professional background?

John Aldrin Rivera has 10 years of professional experience. They have held roles including Lead Trainer, Quality Assurance Analyst, and Head Of Corporate Affairs at companies such as ServiceFirst, AJT Diabetic Inc., and Qualitech Diagnostic and Medical Services. Their education includes Bachelor of Science - BS from Central Luzón State University.

Is John Aldrin Rivera's contact information up to date?

Yes. John Aldrin Rivera's SignalHire profile was last updated on 20 May 2026, reflecting their current position as Operations Supervisor at ServiceFirst in Alabang, Metro Manila , Philippines.

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