Sean Christophersen
San Pedro,CA
Summary
Results-driven Project Superintendent with 10+ years of experience managing commercial construction projects from pre-construction through closeout. Expertise in coordinating subcontractors, managing change orders, maintaining schedules, and ensuring consistent project follow-up to drive on-time, on-budget completion. Strong background in field operations, safety compliance, and stakeholder communication across complex renovation and infrastructure projects.
Overview
26
26
years of professional experience
1
1
Certification
Work History
Project Superintendent
HC Olsen Construction
04.2019 - Current
- Oversee all phases of commercial construction projects, ensuring successful delivery from kickoff through final completion
- Manage and coordinate multiple subcontractors, enforcing schedules, quality standards, and safety compliance
- Track, review, and implement change orders, ensuring accurate documentation and cost control
- Conduct daily site meetings and maintain consistent follow-up with subcontractors and project stakeholders
- Develop and maintain project schedules, proactively identifying and resolving delays or conflicts
- Ensure adherence to project specifications, building codes, and safety regulations
- Perform site inspections, oversee quality control, and manage punch list completion
- Act as primary on-site liaison between project managers, clients, and field teams
Shipping Lead
Denso Products and Services America
02.2004 - 04.2019
- Supervised logistics operations, ensuring accuracy in inventory control and shipping processes
- Coordinated workflow and team responsibilities in a fast-paced environment
- Maintained detailed records and ensured timely delivery of materials
Journeyman
Thomas Acoustics Inc.
06.2000 - 02.2004
- Installed acoustical systems in commercial construction environments
- Interpreted blueprints and collaborated with site supervisors to meet project specifications
- Maintained high standards of workmanship and safety compliance
Education
Associate’s Degree - Carpentry
Santiago Canyon College
High School Diploma - undefined
Valley Christian High School
Cerritos, CASkills
- Project lifecycle management (start to completion)
- Subcontractor coordination and supervision
- Change order management and cost tracking
- Construction scheduling and sequencing
- Daily reporting and project documentation
- Quality control and site inspections
- Safety compliance (OSHA standards)
- Problem-solving and conflict resolution
- Client and stakeholder communication
- Microsoft Office (Excel, Word, Outlook, Project) & Adobe
- Strong follow-up and accountability across all project phases
- Ability to manage multiple trades and shifting priorities
- Detail-oriented with a focus on quality and efficiency
- Proven ability to drive projects to completion under tight deadlines
Certification
- OSHA 30
- First Aid / CPR
- Fall Protection (CITF)
- Smart Mark (CITF)
- Scaffold Competent Person
Timeline
Project Superintendent
HC Olsen Construction
04.2019 - Current
Shipping Lead
Denso Products and Services America
02.2004 - 04.2019
Journeyman
Thomas Acoustics Inc.
06.2000 - 02.2004
High School Diploma - undefined
Valley Christian High School
Associate’s Degree - Carpentry
Santiago Canyon College