Mark Sullivan: Email & Phone Number

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CEO at DQS Inc.|Pittsburgh, Pennsylvania, United States

Position:

CEO at DQS Inc.

Location:

Pittsburgh, Pennsylvania, United States

View Mark Sullivan's Email

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Last updated: 2026-10-24

Updated: 2026-10-24

Found email addresses for Mark Sullivan:

Business emails:

m********n@dairyqueen.com

Personal emails:

s************e@msn.com,

m******0@hotmail.com

Found phones for Mark Sullivan:

+1-520-***-**67,

+1-623-***-**87,

+1-909-***-**73,

+1-623-***-**33

Prospect analytics

Current work details

DepartmentManagement Consulting

Availability

TimezoneEST

Best time to contact12:00 PM – 4:00 PM

A different Mark Sullivan?

Work Experience

CEO at DQS Inc.

Sep 1996 - Current

Chief Financial Officer at Freelance

Jan 1992 - Current

Mark Sullivan started working in 1992, then the employee has changed 1 company and 1 job. On average, Mark Sullivan works for one company for 32 years 6 months.

Their professional focus is Accounting, Analytical Skills, and Business Development across 3 core areas.

Education

University of Pittsburgh - Joseph M. Katz Graduate School of Business

BS/MS/MBA at St. Vincent College, University of Pgh

Frequently Asked Questions

What is Mark Sullivan's email address?

SignalHire found verified email addresses for Mark Sullivan, both business and personal. Their business email is m********n@dairyqueen.com, and personal emails include s************e@msn.com, and m******0@hotmail.com.

What is Mark Sullivan's phone number?

SignalHire found multiple verified phone numbers for Mark Sullivan: +1-520-***-**67, +1-623-***-**87, and +1-909-***-**73.

How do I contact Mark Sullivan at DQS Inc.?

You can reach Mark Sullivan 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 Mark Sullivan's professional background?

They have held roles including Chief Financial Officer at companies such as Freelance. Their education includes University of Pittsburgh - Joseph M. Katz Graduate School of Business, and BS/MS/MBA from St. Vincent College, University of Pgh.

Is Mark Sullivan's contact information up to date?

Yes. Mark Sullivan's SignalHire profile was last updated on 24 October 2026, reflecting their current position as CEO at DQS Inc. in Schaumburg, IL, United States.

Mark Sullivan Namesakes

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Company

Position

Mark Sullivan

Challenge Manufacturing

Automation Technician

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Mark Sullivan

PORTABLE COMPONENTS LTD

Sales Manager

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Mark Sullivan

Embraer

Aircraft Mechanic

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