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Phil DeVita, Director of Air QualityPhillip DeVita heads the firm’s air quality practice. Mr. DeVita is an American Meteorological Society Certified Consulting Meteorologist with twenty years’ experience in air quality permitting and modeling, wind turbine and solar evaluation, air emissions characterization, and meteorological monitoring. His expertise includes atmospheric dispersion modeling to support permitting and siting studies, mobile source analyses, feasibility studies, green house gas emission analyses, and consequence analyses for hazardous chemical releases. |
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Hugh Enxing, Chief Technology OfficerHugh Enxing leads HMMH Products Group. He provides architecture, design and implementation of flight tracking and noise contouring systems for the airport industry. Mr. Enxing is responsible for implementing software development and quality assurance standards throughout HMMH. His responsibilities also include developing next generation flight tracking and analysis software. |
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Vinnie Khera, Director/Principal ConsultantVinnie Khera manages HMMH's Washington DC office and leads our Advanced Programs group. Mr. Khera has worked with federal, state, and local governments, as well as community groups to find balanced solutions to issues involving the effects of new capacity enhancing technologies and policies on the environment. Mr. Khera is a member of TRB's Effects of Aviation on the Environment Committee, ACC’s Planning Committee and the JPDO Airports as well as Environment Working Groups. |
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Robert Mentzer, Jr., Principal ConsultantRobert Mentzer has specialized in airport environmental noise and air quality issues since 1989. Mr. Mentzer is nationally recognized as one of the most experienced users of the Federal Aviation Administration (FAA) Integrated Noise Model (INM) and assists in the preparation and presentation of HMMH’s INM course. Mr. Mentzer has led the preparation of noise contours for over 60 airports, including Part 150 Land Use Compatibility Planning Studies, Environmental Impact Studies, Part 161 Noise and Access Restriction Studies, and other airport environmental and master plan studies. He has also prepared several General Conformity determinations and Emission inventories. |
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Alison Moore, Vice PresidentAlison Moore is HMMH's Human Resources Manager and is also responsible for HMMH's administrative services group. As a Vice President at the company, she is actively involved in business operations, management, and strategic planning. |
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Gene Reindel, Vice PresidentGene Reindel leads HMMH's Aviation Environmental Services group and is manager of its Sacramento, California office. He is responsible for a the full spectrum of airport noise consulting projects including Part 150 noise compatibility studies, noise and operations monitoring system acquisition, acoustical design and testing for sound insulation programs, NEPA/CEQA, and helipad project noise assessments. Mr. Reindel holds a Master's of Engineering in Acoustics from the Pennsylvania State University and teaches courses in acoustics, sound measurements, and the Integrated Noise Model. |
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Dave Towers, PE, Principal EngineerDave Towers works on projects in a variety of areas including environmental, industrial, and architectural noise and vibration control. He specializes in rail transportation systems, construction projects and industrial facilities. His activities in these areas have included field survey measurements, acoustical design and specification, environmental assessments, and noise and vibration control for facility construction and operation. |
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Diana Wasiuk, PMP, Director of Airport & Airspace PlanningDiana Wasiuk manages HMMH's airport and airspace planning practice. She is a certified Project Management Professional and most recently served as Senior Policy Subject Matter Expert for the JPDO. Ms. Wasiuk has nearly 15 years of expertise in airfield and airspace operations. She has a strong understanding of the National Airspace System structure and is a certified pilot. |
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Corinne Cereceres, Marketing ManagerCorinne Cereceres manages HMMH's company-wide marketing efforts. Ms. Cereceres' responsibilities include coordinating proposal efforts and tradeshow events, business development, and strategic marketing. |













