Ryan brings to the table over 10 years of Management and Leadership experience, beginning with his time as an Officer in the United States Air Force.
OUR TEAM
TDSC OFFICE TEAM
A company is only as good as its staff… and we have great staff!
Todd Scanlon
President
Todd has a solid background of over 20 years in Construction Management, specifically in Commercial Roofing with an established track record of achieving success in multiple facets of the Commercial Roofing Industry.
Misty Scanlon
Chief Administrative Officer
Misty has over 20 years of experience in the construction industry, specializing in Construction Management, CPM Scheduling, and Construction Contract Administration and holding positions of Project Scheduler, Project Manager, SATOC Manager, and Chief Operating Officer.
Nathan Wallace
Corporate Safety Director
Nathan Wallace is a highly experienced and certified safety professional with over 15 years of leadership in occupational health, safety, and environmental (HSE) management. His extensive background spans multiple industries, including construction, transportation, and energy, where he has successfully led large-scale safety programs, developed strategic policies, and implemented comprehensive risk mitigation plans.
Christopher May
Vice President of Construction
Christopher joins TDSC as the Vice President of Construction and brings with him over 25 years of experience in the construction industry as an experienced engineer, specializing in Construction Management, Quality Control, Scheduling, and Construction Estimating. In his career, he has held positions as a Company Owner, Managing Partner, President, Director of Engineering, Project Manager, SATOC Manager, and Division Manager.
Sidonia Young
Director of Admin & Precon
Sidonia has over 5 years of experience in the construction industry, specializing in Construction Contract Administration, Project Support, and Preconstruction Proposals and Estimating, as well as over 12 years of Administration experience in general. She is instrumental in aiding the Preconstruction team to manage all the essential duties to support responses to Federal, Municipal, and Private bid solicitations.
Robert “Bobby” Schulz
Project Manager
Robert (Bobby) Schulz is a results-oriented and highly skilled Project Manager with extensive experience in construction project management, environmental compliance, and contract execution. With a strong background in both government and private sector projects, he has successfully led multimillion-dollar construction initiatives, ensuring quality, safety, and regulatory compliance.
Rick Chalk
Project Manager
Rick brings to TDSC over 24 years of experience in construction and environmental construction project management. He is well-versed in pre-construction and construction management/coordination including work plans, drawings, and specifications, project budgets, and schedule development.
Bryan Harshall
Project Manager
Bryan’s 20+ years of combined experience in both the Military and Private Sector of construction, providing leadership, hands-on management, and work ethic have proven to allow him to meet or exceed all project objectives put in front of him.
Jason Scislowicz
Project Manager
Jason Scislowicz is a seasoned Construction Project Manager with over two decades of hands-on experience leading commercial and residential building projects. His expertise spans the full construction lifecycle—from preconstruction planning and budgeting to execution, compliance, and project closeout.
Eric Helms
Project Manager
Over 15 years of experience in the construction fields - Eric has a wide variety of knowledge and services. He has a keen sense of construction practices and managerial knowledge to effectively and successfully complete construction projects. Eric has estimated, planned and managed civil utility projects ranging from $250K-$3M.
Stephen Campbell
General Superintendent
Stephen offers over 30 years of on-site construction management background to the TDSC team. His overall responsibility includes planning and coordinating of on-site construction operations and services for all work and personnel under his supervision. He is an irreplaceable asset to all of our field Superintendents!
Barbara Knight
Project Manager Assistant/Contract Administrator
Barbara has 15 years of experience in the construction industry bringing to TDSC great administration capabilities. She is a positive force that is always eager to learn. Barbara assists with the planning, organization, contract administration, and management of the day-to-day operations of construction projects from the buyout process through project closeout, as well as any other responsibilities that support and aid the Project Management team.
Misti Dhume
Project Manager Assistant/Contract Administrator
Misti has notable experience in the construction industry and is skilled in project management administration from project award to closeout. She has experience working on projects in both the Federal and Private/Commercial sectors.
Anthony “Tony” Pearson
Project Engineer/Asst PM
Tony joined TDSC at the end of 2024 as a Project Engineer/Asst PM. He has been working in the construction industry, primarily in framing, while completing school at VMI. He is quickly proving to be a hardworking, dependable employee, with a strong work ethic.
Cole Reibel
Project Engineer/Asst PM
Cole is a highly driven and technically skilled individual pursuing a Bachelor’s degree at Old Dominion University. With a strong foundation in emergency medical services and engineering, Cole brings a unique blend of problem-solving, leadership, and hands-on technical expertise to any team.
Kayden Turner
Chief Canine Officer
Kaiden joined the TDSC team in 2018 when he made it very clear that he would not stand for being left home alone... EVER. He is one of our best employees with an impeccable attendance record. He is insistent on being involved in all top company business with his presence in all very important corporate meetings, albeit from under the conference table.
TDSC FIELD TEAM
We couldn’t do any of this without a great team out on the job sites!
- Jef Abersold
- Bryan Crenshaw
- Sarah Hackert
- Jason Jennings
- Abe Marquez
- Christopher Powers
- Michael Spence
- Britt Sturgis
- Ken Sturgis
- Jeffrey VanHosen
JEF ABERSOLD | SUPERINTENDENT/QCM/SSHO
Jef brings over 20 years of on-site construction experience to the TDSC team. He is crucial in driving project operational excellence. Jef has an impressive track record of positive subcontractor relationships, uncovering project cost reductions, driving schedules for on-time delivery, and taking the time daily to make jobsite safety his #1 priority.
Jef’s specialties include logistics, commercial construction, and transportation. He has successfully managed projects with budgets of up to $65M and he prides himself on building a culture of safety, commitment, and accountability among teams of up to 80+ subs and team members.
Bachelor of Science in Computer Science/Business Management, Commonwealth College, VA 30-hour OSHA, Mold Certification OSHA, Certified Forklift Trainer, Certified in Basic Life Support & CPR, Basic Life Support Trainer, Train the Trainer Load Securement, Drug, and Alcohol Abuse & Awareness, Substance Abuse Training Management, DOT Hazmat Certification, Workplace Bloodborne Pathogens, Communicating for Managers, Respiratory Fit Test Train-the-Trainer, Developing OSHA Safety Programs, Developing & Managing Safety & Health Programs, ISO 9000 Quality System Documentation, Global Security, USACE & NAVFAC QCM Certified
BRYAN CRENSHAW | SUPERINTENDENT/QCM/SSHO
Bryan has been in the construction industry for over 15 years and is very well-versed in all phases of new construction and renovation work. He brings to TDSC an excellent work ethic and a positive outlook on projects. He is a huge proponent in ensuring the success of his projects is based on clear direction, leading the team by example, and insisting on accountability of all trades and team members, including himself.
Bryan prides himself on his direct communication with his project teams, identifying concerns early, scheduling, Owner interaction, group management, and working with all officials through required inspection processes.
OSHA 30-Hour, QCM Certified, Forklift Operator – Rough Terrain
SARAH HACKERT | SUPERINTENDENT/QCM/SSHO
Sarah is a detail-orientend Superintendent that brings an extensive construction background and specialized experience on challenging projects. She leads team members to meet goals, maximize performance and maintain important safety standards. She is knowledgeable about building codes and industry best practices.
She is a hardworking and reliable team member, with strong ability in leadership and strong work ethic. Offering computer/technology skills, and versatile in both field
and office settings.
Currently pursuing a Structural Engineering Degree; with focus on Construction Management
Saint Leo University, Associate of Arts, 2014
24-Hour Fall Protection Competent Person, CPR, CQM Construction Quality Management, Lift Operator ID, OSHA 30-Hour
JASON JENNINGS | SUPERINTENDENT/QCM/SSHO
Jason has over 20 years experience in the Construction industry, specifically in General Contracting, with projects ranging from $500K to upwards of $50M. His background includes extensive renovations to complete ground-up construction. He is an excellent leader when it comes to managing Subcontractors, and is great at handling all miscellaneous carpentry needs along the way. He is a tremendous asset to the TDSC team!
CPR, CQM Construction Quality Management, Hilti Firestop Systems, Lift Operator ID, OSHA 10-Hour, OSHA 30-Hour, Powder Actuated Tools Operator, Responsible Land Disturber, Scaffolding Competent Person, Trenching & Excavation
ABE MARQUEZ | SUPERINTENDENT/QCM/SSHO
Abe has over 20 years of on-site construction experience and has become a crucial member of the TDSC team since 2019. He has overseen numerous simultaneous multi-trade projects, supervising all activities and on-site staff while consistently ensuring the safety and compliance requirements of each project.
Abe is well-versed in communicating with Owner Representatives, Subcontractors, and Project Management teams alike – coordinating outages, phased construction schedules, testing, and special inspections impeccably.
Certified Forklift Operator, Certified in Basic Life Support & CPR, Certified Aerial Work Platforms, 30-hour OSHA, USACE &
NAVFAC QCM Certified
CHRISTOPHER POWERS | CIVIL FOREMAN
Profile Coming Soon
Certifications Coming Soon
MICHAEL SPENCE | SUPERINTENDENT/QCM/SSHO
Michael has 20 years of experience, in a broad range of construction activities, including Federal construction project oversight and management, versed in overall construction industry knowledge, and construction safety and quality control experience. Michael’s strong quality is his ability to communicate with both Owners and Subcontractors, allowing projects to run smoothly, from start to finish!
CQM Construction Quality Management, EM385 40-Hour, OSHA 30-Hour, Responsible Land Disturber
BRITT STURGIS | ASST. SUPERINTENDENT
Profile Coming Soon
Certifications Coming Soon
KEN STURGIS | SUPERINTENDENT/QCM/SSHO
Ken has over 40 years of construction experience. He possesses extensive knowledge in total building envelope weatherproofing, waterproofing, masonry, joint sealants, metal panels, and glazing. Ken’s leadership and communication skills are key to project success in addition to experience in the coordination of work between multiple trades. He is committed to safety, quality, service, and job cleanliness.
QCM Certification, CPR, 24-Hour Fall Protection Competent Person, Scaffolding Competent Person, OSHA 10-Hour
JEFF VANHOSEN | SUPERINTENDENT/QCM/SSHO
Jeff has over 30 years of experience in construction, in both the commercial and federal sectors. He possesses an excellent background in Building Codes and Code requirements. He is experienced as a federal building Quality Control Manager and has experience working on Federal bases on both single award and IDIQ style projects.
Norfolk State University-AS Degree Architectural Drafting, Norfolk State University-BS Degree Building Construction Technology, OSHA30, Confined Space Training and Certification, Fall Protection Certification, CQM Certification, VA Fire Prevention Assoc. Training, Building Code Training