Sean Duffy Email & Phone Number
Principal @ H&D Mechanical
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Sean Duffy Location
- Upper Marlboro, MD, US
Sean Duffy Work
- Principal @ (June 2009 - Present)
- CEO @ Duffy Mechanical (June 1994 - January 2009)
- Project Manager @ Cornell/AEC (January 1992 - January 1994)
- Head Superintendent and Loss Control Officer @ Cornell/AEC (January 1989 - January 1992)
- Plumber and Foreman @ Cornell/AEC (January 1987 - January 1988)
Sean Duffy Education
- Plumbers Union
Apprenticeship
1986-1991 - Marist College
Bachelor of Science (B.S.) (Criminal Justice)
1982-1986 - Severna Park High School
Sean Duffy Skills
- LEED
- Inspection
- Blueprint Reading
- Construction Management
- Contract Management
- Construction
- Contract Negotiation
- Contractors
- Value Engineering
- Project Estimation
- Subcontracting
- Change Orders
- Budgets
- Management
- Process Scheduler
- Project Management
- Project Planning
- Team Building
- Green Building
- HVAC
- Project Bidding
- Pre Construction
- Renovation
Sean Duffy Summary
- Sean Duffy, based in Upper Marlboro, MD, US, is currently a Principal at H&D Mechanical. Sean Duffy brings experience from previous roles at Duffy Mechanical and Cornell/AEC. Sean Duffy holds a 1986 - 1991 Apprenticeship @ Plumbers Union. With a robust skill set that includes LEED, Inspection, Blueprint Reading, Construction Management, Contract Management and more. Sean Duffy has 1 emails and 1 mobile phone numbers on RocketReach.
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