John Hammann: Email & Phone Number

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Research Scientist at DuBois Chemicals, Inc.|Cincinnati, Ohio, United States

Position:

Research Scientist at DuBois Chemicals, Inc.

Location:

Cincinnati, Ohio, United States

View John Hammann's Email

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Last updated: 2026-05-30

Updated: 2026-05-30

Found email addresses for John Hammann:

Business emails:

j**********n@duboischemicals.com

Personal emails:

j***@duboischemicals.com,

j***@yahoo.com,

h***@deweyspizza.com

Found phones for John Hammann:

+1-870-***-**78,

+1-623-***-**01,

+1-205-***-**59,

+1-205-***-**06

A different John Hammann?

Work Experience 16 years

Research Scientist at DuBois Chemicals, Inc.

Aug 2022 - Current

Shift Supervisor at Dewey's Pizza

Jul 2014 - Current

Quality Control Manager at DuBois Chemicals, Inc.

Feb 2020 - Aug 2022

Quality Assurance Specialist at DuBois Chemicals, Inc.

Jul 2019 - Feb 2020

Laboratory Technician at Prestige Technical Services, Inc.

Aug 2017 - Jul 2019

Team Leader at Cedar Fair Entertainment Company

Apr 2010 - Jul 2013

John Hammann started working in 2010, then the employee has changed 3 companies and 5 jobs. On average, John Hammann works for one company for 4 years.

Their professional focus is Communication, Employee Training, and Inventory Management across 3 core areas.

Education

Bachelor of Science - BS at University of Cincinnati

Frequently Asked Questions

What is John Hammann's email address?

SignalHire found verified email addresses for John Hammann, both business and personal. Their business email is j**********n@duboischemicals.com, and personal emails include j***@duboischemicals.com, j***@yahoo.com, and h***@deweyspizza.com.

What is John Hammann's phone number?

SignalHire found multiple verified phone numbers for John Hammann: +1-870-***-**78, +1-623-***-**01, and +1-205-***-**59.

How do I contact John Hammann at DuBois Chemicals, Inc.?

You can reach John Hammann 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 Hammann's professional background?

John Hammann has 16 years of professional experience. They have held roles including Shift Supervisor, Quality Control Manager, and Quality Assurance Specialist at companies such as Dewey's Pizza, DuBois Chemicals, Inc., and DuBois Chemicals, Inc.. Their education includes Bachelor of Science - BS from University of Cincinnati.

Is John Hammann's contact information up to date?

Yes. John Hammann's SignalHire profile was last updated on 30 May 2026, reflecting their current position as Research Scientist at DuBois Chemicals, Inc. in Sharonville, OH, United States.

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