About Ellipsis.

"Bringing the best building solutions to our clients and making a difference in the lives of our people, in our environment, and communities."
The standards behind every project.
Relationships
We put trust and communication at the forefront of our business.
We are committed to understanding our clients’ project goals and collaborating to build long-term relationships with our network of customers, design partners, trade partners, and teammates.
Sustainability
We are stewards of the Earth and make sustainability a priority in our designs and operations.
We seek out project efficiencies in both time and material use, and incorporate recycling where appropriate — building in a way that serves the next tenant, not just this one.
Innovation
We leverage the latest construction technology to streamline the building process, avoid redundancies, and adhere to project deadlines and budgets.
Lean methodology, transparent reporting, and a coordinated trade-partner network — old industry, new playbook.
Yvette Roman.

Ellipsis is led by Yvette Roman, a licensed General Contractor with over a decade of experience in commercial construction projects.
With a degree in civil engineering, Yvette excels at taking on complex projects that require both a depth of understanding and strong coordination between teams. Her team of experts help support you to achieve your commercial construction goals.
- Bachelor of Science in Civil Engineering. Emphasis on Building Science. University of Southern California. Los Angeles, CA
- Construction Management Certificate. Colorado State University. Denver, CO
- Licensed General Contractor in Colorado jurisdictions
- LEED BD+C Accredited Professional
- OSHA 30 Hour Certified
- STS-C Certified
- Woman-owned business
The people behind every build

Yvette Roman
Yvette Roman is the Founder and Principal of Ellipsis Construction, a women-owned commercial general contracting firm serving clients throughout Colorado. With more than a decade of experience in commercial construction, she has led projects across a variety of sectors, building a reputation for collaborative leadership, technical expertise, and proactive problem-solving.
She holds a Bachelor of Science in Civil Engineering with an emphasis in Building Science from the University of Southern California, a Construction Management Certificate from Colorado State University, and is a licensed General Contractor, LEED Accredited Professional, and OSHA 30 certified.
Today, Yvette leads Ellipsis with a focus on innovation, sustainability, operational excellence, and building lasting relationships with clients, partners, and the communities they serve.

Kahniley Sangare
Kahniley Adam Sangare is a construction professional with 17 years of experience delivering complex commercial construction projects across preconstruction, project management, field operations, and business development. With a Bachelor of Science in Mechanical Engineering from the University of Southern California, Kahniley brings a strong technical foundation combined with hands-on experience managing large-scale projects, coordinating multidisciplinary teams, and driving successful project outcomes.
Throughout his career, Kahniley has worked on some of the most high-profile construction projects in Southern California, including SoFi Stadium, where he served as Project Engineer and Superintendent overseeing engineering coordination and field installation for a trade scope exceeding $50 million on the $5 billion project. His responsibilities included resolving design and installation challenges, coordinating subcontractors, architects, and ownership teams, and managing the installation of more than 150 food service spaces, kitchens, premium bars, and restaurants.
Kahniley has extensive experience managing projects from preconstruction through closeout, including estimating, procurement, contract negotiations, subcontractor coordination, scheduling, quality control, and entitlement support. As Senior Project Manager at Orange Barrel Media, he led construction management efforts for large-format outdoor advertising assets and specialty projects, developing capital estimates, improving RFP/RFQ processes, managing contractor relationships, and overseeing multiple concurrent projects.
At Ellipsis Construction, Kahniley has continued to apply his expertise in commercial construction delivery, serving as Project Manager/Superintendent on projects including the LCAC Las Bodegas renovation, a $9.3 million, 11,000 SF warehouse transformation involving structural upgrades, commercial kitchen installation, MEP improvements, interior finishes, and site enhancements. He has also managed hospitality and commercial improvement projects, including closeout and renovation work at the Populus Hotel.

Daniel Reiling
Daniel Reiling is a construction professional with experience in field supervision, project management, residential construction, and real estate development. As Superintendent at Ellipsis Construction, Daniel brings a strong background in managing construction operations, coordinating subcontractors, maintaining quality standards, and supporting successful project delivery from mobilization through completion.
Daniel earned a Bachelor of Arts in Architecture from the University of San Diego and has developed a diverse construction background spanning custom homes, spec home development, remodels, and commercial construction support. Prior to joining Ellipsis Construction, Daniel served as a Project Manager and Superintendent with Lux Builders in Denver, where he managed multiple residential projects simultaneously, coordinating architects, engineers, designers, homeowners, subcontractors, and city inspectors while maintaining project schedules, budgets, and quality expectations.
Daniel has also led field operations for Strong Finish Drywall, managing crews throughout the Denver-Boulder metro area, overseeing daily site documentation, schedule coordination, quality control, scope interpretation, and communication between contractors, subcontractors, homeowners, and inspectors. His hands-on construction experience began in the field, giving him a practical understanding of trade coordination, jobsite operations, and the importance of collaboration between project teams and subcontractors.
Beyond construction, Daniel is actively involved in community leadership through his role as President of the NOON Registered Neighborhood Organization and Director of Gallery Development for the Denver Art Society, where he supports community initiatives, development discussions, accessibility efforts, and organizational growth.
Daniel combines architectural knowledge, field experience, and strong relationship-building skills to help deliver safe, organized, and high-quality construction projects while fostering positive partnerships with owners, trades, and project stakeholders.

Gio Sierra
Gio Sierra is a Safety Consultant at Ellipsis Construction with seven years of experience promoting safe, compliant, and efficient construction environments. He holds a Bachelor of Science in Safety, Health, and Applied Sciences from Indiana University of Pennsylvania and is a Certified Safety Professional (CSP) with numerous industry certifications, including OSHA 500 and HAZWOPER 40. Throughout his career, Gio has supported a diverse portfolio of commercial, industrial, and infrastructure projects, including airport expansions, data centers, retail renovations, and restoration work. His expertise includes site safety management, OSHA compliance, safety training, inspections, risk mitigation, and environmental health and safety programs. Gio is committed to fostering a culture of safety that protects workers, supports project success, and helps clients achieve their construction goals.
Procurement-ready certifications.
Ellipsis is a certified woman-owned commercial GC — registered with the City & County of Denver, RTD, and SAM.gov. For our clients, that translates into real procurement access: diversity-spend credit, eligibility to compete for set-aside scopes, and qualification for federally funded work.
If your project has WBE / DBE / SBE participation requirements — public infrastructure, school district, transit, or federal — we count, and we deliver the documentation to prove it.
