Senior Consultant
Current
Aug 2016 - Present
AeroLeads people directory · profile
Mark Simpson Email & Phone Number
Senior Consultant
at
Def Method
1 work email found
@theworld.com
1 phone found area 631
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Consultant
Location
New York City Metropolitan Area, United States
Who is Mark Simpson? Overview
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Quick answer
Mark Simpson is listed as Senior Consultant at Def Method, based in New York City Metropolitan Area, United States. AeroLeads shows a work email signal at theworld.com, phone signal with area code 631, and a matched LinkedIn profile for Mark Simpson.
Mark Simpson previously worked as Mentor / Maintainer: Common Lisp Language Track at Exercism and Senior Developer at Cyrus Innovation. Mark Simpson holds Bs, Computer Science from Worcester Polytechnic Institute.
Company email context
Email format at Def Method
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*@theworld.com
68% confidence
AeroLeads found 1 current-domain work email signal for Mark Simpson. Compare company email patterns before reaching out.
Profile bio
About Mark Simpson
Over the course of more than two decades as a software engineer I have worked with teams of various sizes, working on software solving many different problems. I have experience in different processes, methodologies, paradigms and languages.I am focused in crafting highly valuable software and helping others do the same.I value transparency, fast feedback, good design, maintainability, continuous learning, and coffee.I enjoy developing software, working with people to increase our collective knowledge and success, and gin.
Listed skills include Test Driven Development, Software Development, Java, Object Oriented Design, and 14 others.
Current workplace
Mark Simpson's current company
Company context helps verify the profile and gives searchers a useful next step.
15 roles · 37 years
Mark Simpson work experience
A career timeline built from the work history available for this profile.
Mentor / Maintainer: Common Lisp Language Track
Initiated and have been primary maintainer of the Common Lisp track for Exercism. Also mentors students on the track for this language.
Senior Developer
Sep 2013 - Jul 2016
Senior Agile Developer
Lexington Solutions
Quickly came up to speed to be a significant contributor to the Fusion Java Webapp. Significant contributor and tech lead of the Revere data-collection project
Apr 2011 - Sep 2013
Senior Agile Developer
Boston Capital
Apr 2011 - Sep 2013
Principal Software Engineeer
Itg Software Solutions, Inc.
2005 - Apr 2011
Principal Engineer
2001 - Apr 2011
Principal Engineer
Macgregor / Itg Inc
Copy of ITG & Macgregor positions since some collegues might have this as the company name
2001 - Apr 2011
Software Engineer
Itg (Acquired Macgregor)
2000 - Apr 2011
Principal Engineer
2001 - 2006
~5 yrs
Software Engineer
Centerline Systems
Worked on TestCenter product, later renamed Acqua. Then company went under and was bought by Compuware.
1997 - 2001
~4 yrs
1995 - 1997
~2 yrs
Software Engineer
Investment Software Systems
1992 - 1997
~5 yrs
Software Engineer
Walker Sonix
1992 - 1992
Software Engineer
Software Emancipation Technology
Summer programming job.
1990 - 1990
1 education record
Mark Simpson education
-
Worcester Polytechnic Institute
FAQ
Frequently asked questions about Mark Simpson
Quick answers generated from the profile data available on this page.
What company does Mark Simpson work for?
Mark Simpson works for Def Method.
What is Mark Simpson's role at Def Method?
Mark Simpson is listed as Senior Consultant at Def Method.
What is Mark Simpson's email address?
AeroLeads has found 1 work email signal at @theworld.com for Mark Simpson at Def Method.
What is Mark Simpson's phone number?
AeroLeads has found 1 phone signal(s) with area code 631 for Mark Simpson at Def Method.
Where is Mark Simpson based?
Mark Simpson is based in New York City Metropolitan Area, United States while working with Def Method.
What companies has Mark Simpson worked for?
Mark Simpson has worked for Def Method, Exercism, Cyrus Innovation, Lexington Solutions, and Boston Capital.
How can I contact Mark Simpson?
You can use AeroLeads to view verified contact signals for Mark Simpson at Def Method, including work email, phone, and LinkedIn data when available.
What schools did Mark Simpson attend?
Mark Simpson holds Bs, Computer Science from Worcester Polytechnic Institute.
What skills is Mark Simpson known for?
Mark Simpson is listed with skills including Test Driven Development, Software Development, Java, Object Oriented Design, Extreme Programming, Software Engineering, Programming, and Microsoft Sql Server.
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