John Ma: Email & Phone Number

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Director, Cost Control at Quanex|United States

Position:

Director, Cost Control at Quanex

Location:

United States

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Last updated: 2025-10-12

Updated: 2025-10-12

Found email addresses for John Ma:

Business emails:

j*****a@quanex.com

Personal emails:

j***@aol.com,

j***@eastman.com

Found phones for John Ma:

+1-323-***-**33,

+1-205-***-**96,

+1-870-***-**59,

+1-909-***-**71

A different John Ma?

Work Experience 22 years

Director, Cost Control at Quanex

Jun 2022 - Current

Finance Manager at Quanex

Mar 2015 - May 2022

Senior Budget Analyst at Eastman

Jul 2009 - Feb 2015

Control Specialist at Eastman

Aug 2006 - Jun 2009

Financial Analyst at Balchem Corporation

Aug 2004 - Jul 2006

John Ma started working in 2004, then the employee has changed 2 companies and 4 jobs. On average, John Ma works for one company for 4 years 4 months.

Their professional focus is ACL Data Analysis, Budget Modeling, and Cost Analysis across 3 core areas.

Education

Bachelor's degree at School of Social Work, University of Illinois at Urbana-Champaign

Master's degree at University of Southern California

Frequently Asked Questions

What is John Ma's email address?

SignalHire found verified email addresses for John Ma, both business and personal. Their business email is j*****a@quanex.com, and personal emails include j***@aol.com, and j***@eastman.com.

What is John Ma's phone number?

SignalHire found multiple verified phone numbers for John Ma: +1-323-***-**33, +1-205-***-**96, and +1-870-***-**59.

How do I contact John Ma at Quanex?

You can reach John Ma 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 Ma's professional background?

John Ma has 22 years of professional experience. They have held roles including Finance Manager, Senior Budget Analyst, and Control Specialist at companies such as Quanex, Eastman, and Eastman. Their education includes Bachelor's degree from School of Social Work, University of Illinois at Urbana-Champaign, and Master's degree from University of Southern California.

Is John Ma's contact information up to date?

Yes. John Ma's SignalHire profile was last updated on 12 October 2025, reflecting their current position as Director, Cost Control at Quanex in Houston, Texas, United States.

John Ma Namesakes

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