Estimating, Design and Business Development Team

Carl Montegna

Senior Estimator

Carl Montegna is senior landscape estimator at CDI. He has 11 years experience in the industry.  Carl brings the necessary attention to detail for the evaluation of new projects.  He has successfully bid landscape, retaining walls, irrigation systems and more.

Dave Kostic

Landscape Architect / Estimator

Email: davek@cdi-services.com

Dave Kostic is a registered Landscape Architect, State of Colorado license number 822.  Dave has over twenty three years of  landscape design and construction experience; he has over twenty five years of irrigation design, installation and maintenance experience.

Stephanie Dreiling

Senior Environmental Director

Stephanie Dreiling is the Senior Environmental Director at CDI.  She has been with the company since 2008.  CDI, a Colorado based company, provides erosion control, revegetation, wetland construction and related services throughout the western United States.  Stephanie travels throughout the western United States, visiting with clients and reviewing projects.

Stephanie participates in the American Society of Mining and Reclamation; the HBA; BOMA and other trade organizations that support education and training in the fields that CDI serves.  Additionally, she is very active in the International Erosion Control Association.  She serves on the Mountain States Chapter board of directors as Vice President, and works on the Membership, Newsletter, University Partners and Conference committees as a volunteer.