Our people are our greatest asset; they are our capabilities.

Colden’s professionals combine rigorous, continuing academic training with real-world technical expertise. Our extensive and diverse experience translates into client solutions requiring little or no learning curve. With this range and depth, we have the flexibility to place qualified individuals on your project at a moment’s notice, or commit long-term, on-site resources, as needed.

Colden has Certified Industrial Hygienists, Certified Safety Professionals, Certified Professional Environmental Auditors, Certified Biosafety Professionals, and doctoral trained scientists all supported by experienced senior project managers and technical field personnel.

Senior Management Team

David R. de Lalla

David R. de Lalla
Principal and President

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Michael L. Howe

Michael L. Howe,

Principal / Senior Consultant

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Shannon R. Magari

Shannon R. Magari,

Principal and Vice President, Health Sciences

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Senior Consultants

EHS Professionals

Joseph Cantone

Joseph Cantone,

Project Manager, Asbestos Program Coordinator

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Mark C. Yates

Mark C. Yates
Industrial Hygienist

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