Chief Executive Officer
CurrentPlanning, permitting and performance of California underwater construction and decommissioning in California inland, coastal and offshore waters.
Oct 1995 - Present
AeroLeads people directory · profile
Mark Steffy Email & Phone Number
Chief Executive Officer
at
Longitude 123, Inc.
1 work email found
@longitude123.net
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Chief Executive Officer
Location
Ventura, California, United States
Who is Mark Steffy? Overview
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Quick answer
Mark Steffy is listed as Chief Executive Officer at Longitude 123, Inc., based in Ventura, California, United States. AeroLeads shows a work email signal at longitude123.net and a matched LinkedIn profile for Mark Steffy.
Mark Steffy previously worked as Vice President of Marketing - Western US at Stolt Comex North America and Co-Founder - Senior Vice President at Ids. Mark Steffy holds U/W Construction Tech, Underwater Construction from U.S. Navy.
Company email context
Email format at Longitude 123, Inc.
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{first_initial}{last}@longitude123.net
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AeroLeads found 1 current-domain work email signal for Mark Steffy. Compare company email patterns before reaching out.
Profile bio
About Mark Steffy
Mark Steffy is a Chief Executive Officer at Longitude 123, Inc.. He possess expertise in project management, construction management, construction, petroleum, pipelines and 6 more skills.
Listed skills include Project Management, Construction Management, Construction, Petroleum, and 7 others.
Current workplace
Mark Steffy's current company
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3 roles
Mark Steffy work experience
A career timeline built from the work history available for this profile.
Vice President Of Marketing - Western Us
Stolt Comex North America
Aug 1994 - Oct 1995
Co-Founder - Senior Vice President
Ids
Jan 1979 - Aug 1994
1 education record
Mark Steffy education
-
U.S. Navy
FAQ
Frequently asked questions about Mark Steffy
Quick answers generated from the profile data available on this page.
What company does Mark Steffy work for?
Mark Steffy works for Longitude 123, Inc..
What is Mark Steffy's role at Longitude 123, Inc.?
Mark Steffy is listed as Chief Executive Officer at Longitude 123, Inc..
What is Mark Steffy's email address?
AeroLeads has found 1 work email signal at @longitude123.net for Mark Steffy at Longitude 123, Inc..
Where is Mark Steffy based?
Mark Steffy is based in Ventura, California, United States while working with Longitude 123, Inc..
What companies has Mark Steffy worked for?
Mark Steffy has worked for Longitude 123, Inc., Stolt Comex North America, and Ids.
How can I contact Mark Steffy?
You can use AeroLeads to view verified contact signals for Mark Steffy at Longitude 123, Inc., including work email, phone, and LinkedIn data when available.
What schools did Mark Steffy attend?
Mark Steffy holds U/W Construction Tech, Underwater Construction from U.S. Navy.
What skills is Mark Steffy known for?
Mark Steffy is listed with skills including Project Management, Construction Management, Construction, Petroleum, Pipelines, Maritime, Strategic Planning, and Offshore Drilling.
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