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Geometric Decoration

David Hagen

Principal Consultant

David enjoys tackling complex problems to improve the environment and offering creative solutions to his clients. During his 34 years with Haley & Aldrich, he has dedicated himself to managing projects in the aerospace, energy, environmental trusts, manufacturing, real estate, and construction industries. He also has extensive experience with contaminated site management; environmental, health, & safety (EHS) compliance; and sustainability. 

David’s creative thinking, paired with his technical expertise, enables him to formulate solutions for his clients’ toughest problems. His collaborative approach often includes offering clients an informed list of benefits and disadvantages to help them select a solution that’s right for them and their unique project or problem. David then partners with his clients to implement a plan supported by his extensive experience and backed by sound science and engineering.

  • Checkmark Assessments
  • Checkmark Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) allocation and estimation
  • Checkmark Environmental trust formation
  • Checkmark Expert testimony 
  • Checkmark Feasibility studies
  • Checkmark Remedial construction and operations
  • Checkmark Remedial design
  • Checkmark Resource Conservation and Recovery Act (RCRA) compliance
  • Checkmark Securities and Exchange Commission contingent environmental liability compliance 
  • Checkmark Site investigations

“I offer creativity in the context of science and engineering. I often provide unconventional solutions to fit the unique nature of many of our clients’ tough issues.”