Our Team. Building Foundations, Forging Futures: The Rasco Team
At Rasco International LLC, our team is more than a collective of professionals; it's a dynamic force driving change in the construction industry. With decades of combined experience, our engineers, architects, and project managers share a unified commitment to transforming communities through sustainable and affordable housing. Each member brings a wealth of expertise, innovation, and passion to our mission, working tirelessly to ensure every Rasco project not only meets but sets new benchmarks for quality, sustainability, and impact. Together, we're not just building homes—we're shaping the future.

President/CEO
S. Richard Harrigan
With over 25 years of experience in both private and public sector construction projects, S. Richard Harrigan brings a wealth of expertise in water and wastewater facilities, roadways, and site redevelopment projects. A Civil Construction Engineer by profession, he holds certifications in Water Main Distribution, Waffle-Crete technology, and is a certified ACI Level 1 and NICET I professional. Harrigan's leadership is marked by strong communication skills and a profound understanding of project management tools.

Vice President/COO
Lybrant Robinson
A dynamic leader with more than 16 years in program management, construction supervision, and operations. His strong decision-making and problem-solving skills, coupled with the ability to implement effective action plans, make him a hands-on supervisor. Robinson's background in marketing and his certifications in Waffle-Crete technology and HAZWOPER underscore his multifaceted expertise in driving Rasco's missions.

Chief Architect
Steven Zayas
Steven M. Zayas stands as a pillar in the architectural realm of Rasco International LLC, bringing over three decades of experience from his tenure at New York Life. As the Corporate Vice President of the Facilities & Design division, Zayas has honed his expertise in project management, design and space planning, and the creation of construction documents and specifications. His role at Rasco International LLC is instrumental in melding architectural finesse with functional design, ensuring that each project not only meets but transcends industry standards. Zayas's dedication to meticulous planning and detail-oriented execution reflects Rasco’s commitment to innovative and sustainable architectural solutions.

Sr. Structural Engineer
Frissner Tisslen
Boasting over 39 years in the construction industry, Frissner Tisslen is a seasoned structural engineer whose experience spans highways, bridges, and site development projects. His tenure has equipped him with unparalleled skills in overseeing large-scale construction endeavors, ensuring each project's structural integrity and success.

Resident Engineer
Tim Kyara
Bringing over 24 years of rich professional experience in civil and structural engineering across Tanzania, England, and Botswana. His roles have spanned senior project and contracts management, design management, and quality management. Kyara's extensive education and further training in leadership, quality management, and project management equip him to oversee complex projects with a strategic, quality-focused approach.

Resident Engineer
Samson Ndosi
With over seven years as Managing Director of Fundi Hub Limited, plays a pivotal role in advancing Rasco International LLC's mission for sustainable and affordable housing. His leadership in steering successful commercial and residential projects showcases a deep commitment to innovation, quality, and sustainability. Ndosi's expertise in project management and civil engineering perfectly aligns with Rasco's ethos, driving the creation of environmentally responsible and community-centric living spaces. His dedication ensures Rasco's projects not only meet but elevate community and environmental standards.
