People
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.
Management Team

James N. Miades,
CIH
Principal and President
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Shannon R. Magari,
ScD, MS, MPH
Principal and Vice President, Health Sciences
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Michele N. Shepard,
PhD, MS, CIH
Principal and Vice President, EHS Services
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Clinton E. Smith,
MS, CIH, CSP
Principal and Project Manager
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David R. de Lalla
Principal Emeritus and Senior Advisor
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Joshua M. Humlhanz,
CSP
Project Manager
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Katie Podsiedlik,
SHRM-CP
Human Resources Manager
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Susan Reynolds,
MS, CIH
Senior Consultant
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Greg W. Richey,
MS, CIH, CSP, AIHA Fellow
Principal Emeritus and Senior Consultant
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Chrisy C. Walsh,
MS, CIH, CSP
Project Manager
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Christopher J. Wesley,
CIH
Vice President, EHS Services
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Senior Consultants

Peter Bulman,
MS, CIH, CSP
Senior Consultant
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Joseph Cantone,
CSP
Senior Consultant
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Mike Glowatz,
MS, CIH-Retired, CSP-Retired
Senior Consultant
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Brian Hovendon,
CIH
Senior Consultant
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Michael L. Howe,
CIH
Principal Emeritus and Senior Consultant
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Matt Macomber,
MS, CIH
Senior Consultant
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Michael B. McElhinny,
CIH
Senior Consultant
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EHS Professionals

Kyle Blakely
Industrial Hygiene and Safety Specialist
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Andrew Byrne
Project Manager
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Julie Corriveau
EHS Specialist
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Aprille Darang
Project Consultant
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Giovanni Delgado
EHS Specialist
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Daniel Inman,
CIH, CSP
Project Consultant
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Brian Jackson
Project Consultant
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Haley MacDougall,
MPH
Project Consultant
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Nicole M. Neu-Baker,
MPH, CPH
Health & Safety Research Specialist
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Chizoba Onwubuche,
MS, CSP
Project Consultant
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Jessica Phippard,
MPH
Project Consultant
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Joshua Pinals
EHS Specialist
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Thomas Rodgers,
CIH, GSP
Project Consultant
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Phillip Stepherson,
MS
Project Consultant
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Jason Straut
Project Manager and Consultant
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Mark C. Yates
EHS Specialist
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