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Meet Our Team

Elizabeth Hillgren

Elizabeth Hillgren

Senior Consultant

  • Areas of Expertise: Waste characterization/management, RCRA, TSCA, transportation, regulatory compliance, environmental audits, training
  • Education/Certifications: B.A. in Microbiology, University of Kansas; MDiv in Theology, Southwestern Theological Seminary; hazardous waste coursework, Texas Christian University and Wayne State University; OSHA 40-hour certification; Certified Hazardous Materials Manager (CHMM); Certified Environmental Auditor (CEA)

Elizabeth has over 20 years of experience in the environmental services industry, with extensive management responsibilities for multiple facilities and service functions. She has broad knowledge of various waste management options and regulations, including RCRA, TSCA, and DOT, as well a working knowledge of Canadian requirements and transshipment.

Elizabeth uses her extensive regulatory knowledge to:

  • Review and approve customer waste applications for completeness, accuracy, and compliance with applicable federal, state, and facility regulations
  • Screen waste streams for potential safety issues
  • Communicate treatment protocols with operations staff
  • Develop audit programs
  • Conduct internal/external environmental audits.

Elizabeth’s experience prior to joining Kestrel includes:

  • Organizing pre-notifications and approvals for transshipment of waste to Canada Training and teaching RCRA, DOT, PCB/TSCA and facility permits
  • Managed customer service staff at multiple TSDFs and 10-day facilities
  • Implementing a regional customer service structure to improve communication and ensure standardization of systems and service
  • Managing in-plant services and projects at automotive plants, where she conducted inspections and audits, and managed waste characterization, transportation, disposal, and invoice creation/submittal
  • Managing customer service, technical approvals, waste receiving, scheduling, and administrative staff
  • Developing training programs for fuel blending strategies, oil recycling, solvent recycling, and wastewater management