• Cotati, CA
    Phone: 707.794.0400

    Denver, CO
    Phone: 707.794.0400
  • Team

    • Paul R. Donavan, Sc.D., Principal

      Dr. Donavan began his professional career in acoustics in 1976. At General Motors from 1979 to 2001, Dr. Donavan led … Continue reading

    • James A. Reyff, Principal

      Mr. Reyff began his environmental studies career in 1989 as a meteorologist. He joined our firm in 1995 as an … Continue reading

    • Fred M. Svinth, Associate AIA, Principal

      Mr. Svinth has been consulting in the U.S. and internationally on various aspects of acoustics and vibration and has worked … Continue reading

    • Michael S. Thill, Principal

      Mr. Thill began his professional career in environmental acoustics in 1999. His expertise lies in field research, data analysis, and … Continue reading

    • Heather Bruce, Senior Consultant

      Ms. Bruce has 10 years of experience with noise analyses, transportation planning, and traffic forecasting/analyses. Since 2011, she has been … Continue reading

    • Carrie J. Janello, Senior Consultant

      Ms. Janello has extensive educational and practical experience in Digital Signal Processing (DSP), Acoustics, Systems Dynamics, and Automotive Noise, Vibrational, … Continue reading

    • Jay Witt, P.E., Senior Consultant

      Mr. Witt joined I&R in March 2020. He began his career as an Air Quality Engineer with the Idaho Department … Continue reading

    • Casey Divine, Consultant

      Ms. Divine started with Illingworth & Rodkin, Inc. in 2013, and was promoted to an acoustic staff consultant in 2016. … Continue reading

    • Zachary Palm, Consultant

      Mr. Palm joined Illingworth & Rodkin, Inc in 2021. He is a meteorologist that performs air quality and greenhouse gas … Continue reading

    • Micah Black, Staff Consultant

      Mr. Black joined I&R in August 2018, bringing his knowledge of field research methods, Geographic Information System (GIS) mapping experience, … Continue reading

    • Adwait Ambaskar, Consultant

      Adwait Ambaskar (Acoustics) joined I&R in 2021 after graduating from Penn State University with a Masters in Acoustics. While at … Continue reading

    • Angela Machado, Director of Administration

      Angela Machado started with Illingworth & Rodkin in 2015, bringing her extensive management experience to the team. With over 30 … Continue reading

    Who We Areimg
  • An engineering consulting firm with experience since 1987 in acoustics and air quality learn more

  • Capabilitiesimg
  • Expert consultants dedicated to providing clients with quality service in acoustics and air quality management learn more

  • Past Performanceimg
  • Since 1987 Illingworth & Rodkin consultants have conducted over 4,500 proprietary studies in... learn more
  • In the Newsimg

    Illingworth & Rodkin's Dana Lodico interviewed on highway noise barriers...learn more

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