Michael Duff: Email & Phone Number

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Founder at 48x|Matthews, North Carolina, United States

Position:

Founder at 48x

Location:

Matthews, North Carolina, United States

View Michael Duff's Email

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Last updated: 2026-08-19

Updated: 2026-08-19

Found email addresses for Michael Duff:

Business emails:

m**********f@buyerquest.com,

m*******f@buyerquest.com,

m***f@brandmuscle.com

Personal emails:

w*******o@gmail.com,

m***f@yahoo.com,

m**********f@sbcglobal.net

Found phones for Michael Duff:

+1-909-***-**14,

+1-323-***-**59,

+1-480-***-**11

A different Michael Duff?

Work Experience 22 years

Founder at 48x

Jan 2026 - Current

Health and well-being at Career Break

Mar 2025 - Jan 2026

Principal Software Engineer at Appfire

Oct 2022 - Mar 2025

Co-Founder, CTO at Nextup.ai

Apr 2017 - Oct 2022

UI Lead Developer at BrandMuscle

May 2017 - Jan 2018

Director of User Experience at BuyerQuest

Feb 2015 - Apr 2017

Front End Architect at BuyerQuest

Jul 2013 - Feb 2015

UI Consultant at CrossView

Apr 2010 - Jul 2013

Sr. Tech Consultant at Perficient

Mar 2008 - Mar 2010

Web Producer at Tenth Floor

Jul 2007 - Mar 2008

Developer at Minch Design

Jan 2007 - Jul 2007

Developer at Sprokets

Jul 2006 - Jul 2007

Consultant at Promevo

Jul 2006 - Dec 2006

Developer at Digital Day

Mar 2006 - Jul 2006

Java / Creative Consultant at Brulant

Mar 2004 - Mar 2006

Michael Duff started working in 2004, then the employee has changed 13 companies and 12 jobs. On average, Michael Duff works for one company for 1 year 7 months.

Their professional focus is .NET, Accessibility, and ActionScript across 3 core areas.

Frequently Asked Questions

What is Michael Duff's email address?

SignalHire found verified email addresses for Michael Duff, both business and personal. Their business email is m**********f@buyerquest.com, and personal emails include w*******o@gmail.com, m***f@yahoo.com, and m**********f@sbcglobal.net.

What is Michael Duff's phone number?

SignalHire found multiple verified phone numbers for Michael Duff: +1-909-***-**14, +1-323-***-**59, and +1-480-***-**11.

How do I contact Michael Duff at 48x?

You can reach Michael Duff 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 Michael Duff's professional background?

Michael Duff has 22 years of professional experience. They have held roles including Health and well-being, Principal Software Engineer, and Co-Founder, CTO at companies such as Career Break, Appfire, and Nextup.ai.

Is Michael Duff's contact information up to date?

Yes. Michael Duff's SignalHire profile was last updated on 19 August 2026, reflecting their current position as Founder at 48x in Charlotte, NC, United States.

Michael Duff Namesakes

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Company

Position

Michael Duff

Gilroy Homes

Custom Home Consultant

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Michael Duff

ACS Group

Director - Business Development - Aftermarket

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Michael Duff

S.T. Wooten Corporation

Structural Project Engineer

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