Mark Steffy Location
- Ventura, CA, US
Mark Steffy Work
- 1995 - now Chief Executive Officer @
- 1994 - 1995 Vice President of Marketing - Western US @ Stolt Comex North America
- 1979 - 1994 Co-Founder - Senior Vice President @ IDS
Mark Steffy Education
- U.S. Navy
U/W Construction Tech (Underwater Construction)
1972 - 1975
Mark Steffy Skills
- Maritime
- Petroleum
- Construction Management
- Project Management
- Pipelines
- Inspection
- Offshore Drilling
- Subsea Engineering
- Gas
- Strategic Planning
- Construction
- Energy
Mark Steffy Summary
- Mark Steffy, based in Ventura, CA, US, is currently a Chief Executive Officer at Longitude 123, Inc.. Mark Steffy brings experience from previous roles at Stolt Comex North America and IDS. Mark Steffy holds a 1972 - 1975 U/W Construction Tech in Underwater Construction @ U.S. Navy. With a robust skill set that includes Maritime, Petroleum, Construction Management, Project Management, Pipelines and more. Mark Steffy has 1 emails and 1 mobile phone numbers on RocketReach.
5 free lookup(s).
If you need more lookups,
subscriptions start at $34 USD/month.
Looking for a different Mark Steffy?
Find contact details for 700 million professionals.
Others Named Mark Steffy
Mark Steffy
Chief Executive Officer
Ventura, CA, US
Top Longitude 123, Inc. Employees
Gareth Owens
Manager, Engineering and Regulatory Compliance
Ventura, CA, US
Scot Anderson
Vice President - Projects
Ventura, CA, US
Valerie Estvan
Office Manager
Ventura, CA, US
Joseph Connell
Director of Technical Services
Spring, TX, US
Mark Steffy
Chief Executive Officer
Ventura, CA, US
How It Works
Get a Free Account
Sign up for a free account. No credit card required. Up to 5 free lookups. 
Search the #1 Contact Database
Get contact details of over 700M profiles across 60M companies - all with industry-leading accuracy. Sales and Recruiter users, try out our Email Finder Extension. 
Use our AI-Powered Email Finder
Find business and personal emails and mobile phone numbers with exclusive coverage across niche job titles, industries, and more for unparalleled targeting. Also available via our Contact Data API. 
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co