Meet Our Team

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Gricel Muñoz is a construction executive, educator, and community leader with more than 12 years of experience delivering commercial and public-sector projects. As Managing Partner of Mardel Contracting, she leads preconstruction, operations, and business development, while also serving as an Adjunct Professor at Montgomery College, wher

Gricel Muñoz is a construction executive, educator, and community leader with more than 12 years of experience delivering commercial and public-sector projects. As Managing Partner of Mardel Contracting, she leads preconstruction, operations, and business development, while also serving as an Adjunct Professor at Montgomery College, where she is dedicated to shaping future industry talent and advancing workforce development. Her commitment to community impact is seen through board leadership with MBHCA and the Children’s Home nonprofit organizations. She consistently champions minority-owned businesses and supports Baltimore’s youth— building not only successful projects, but stronger, more inclusive communities.

Bret Waskiewicz is a high-impact Construction Management Leader with over 20 years of experience delivering complex, multi-million dollar commercial and public- sector developments. As a Partner and seasoned Project Manager, he specializes in bridging the gap between strategic oversight and field execution, having successfully steered pro

Bret Waskiewicz is a high-impact Construction Management Leader with over 20 years of experience delivering complex, multi-million dollar commercial and public- sector developments. As a Partner and seasoned Project Manager, he specializes in bridging the gap between strategic oversight and field execution, having successfully steered projects ranging from $4M small additions, to $65M+ school replacements. While running the field operations division with the State of Maryland, Bret managed the $2B+ budget of state funding for K-12 projects. Bret combines deep technical expertise in engineering and project accounting with a mastery of industry- standard technologies.