Holliston, MA Construction manager Colantonio Inc. has completed four recent additions to its team: assistant project managers Derek Koenig and Alexander Hack and assistant superintendents Steven Woodland and Christian Burcham.

Koenig brings 18 years of construction experience as a project manager, superintendent, estimator, site safety officer, and quality control officer. He has worked on design/build renovations, new construction projects, environmental remediation, and high-end commercial hardscape and landscape projects with former employers Brightview Landscape Development, Green Leaf Construction, Charter Environmental Contracting, and Diamond Contracting. Koenig received a bachelor of science in construction management from Wentworth Institute of Technology.

Hack received a bachelor of science in construction management from the University of Maine in Orono. He joins the firm with eight years of experience in the corporate residential and commercial markets. Hack’s experience includes roles as an assistant manager, assistant purchasing manager, estimator, and project engineer on both ground up and renovation projects with former employers Toll Brothers, Limbach, LLC, and TG Gallagher. 

Woodland joined the firm with 11 years of construction and facility management experience. He served as a construction superintendent and assistant superintendent on commercial, higher ed, and mixed-use renovation projects with former employers NEI General Contracting and Walker Development. Woodland earned an associate of science in business administration from New England College of Business and Finance.

Burcham, who earned a bachelor of science in civil engineering from the University of Massachusetts in Lowell, brings six years of field engineering experience on heavy highway and civil construction projects. His background includes roadway, water and sewer infrastructure work for local municipalities, and bridge structural and substructure repairs for MassDOT. Burcham’s former employers include SPS New England Inc., the city of Waltham, and the town of Andover.

“Derek, Alex, Steve and Christian have a wide variety of skills and experience that add real value to the work we do,” said president George Willwerth. “They have all hit the ground running.”