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A Few Key Personnel
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David C. Liebal, P.E., RRC
  • Vice President

  • Project Manager

  • Mechanical Engineer

  • Registered Roof Consultant

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Nick Lemmon
  • CADD Technician

  • Designer

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Fred R. Danner
  • Environmental Technician

  • Construction Inspector

  • Roof QAO

  • Asbestos Inspector

  • Asbestos Project Monitor

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Robin H. Liebal
  • President (HDH Technical)

  • Vice President (HDH Associates)

  • Project Manager

  • Office Manager

  • Specializes in Asbestos, Lead and Mold Testing

Mike Lafon
  • Project Manager

  • Occupational Safety & Health Senior Compliance Officer

  • Safety Engineer

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Katelyn Morrison
  • Environmental Technician

  • Asbestos Project Monitor

  • Asbestos Supervisor

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Brittney Shalna
  • Marketing Specialist

  • Clerical

  • Specification Manager

Alexander Carlson
  • Bookkeeper

  • Administrative Assistant

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