Pivot provides our clients with senior level construction and environmental monitoring and inspection professionals.  Our people offer expert services throughout a wide range of compliance scenarios. We provide top-level, senior professionals, experts in their fields. Our environmental and construction monitoring includes all the critical functions needed to ensure your project stays in compliance with all local, state and Federal environmental laws.

  • Construction Site / Linear Projects Compliance Monitoring

  • Stormwater Plans and BMP Development and Compliance Monitoring
  • Worker and Site Supervisor Training

  • Routine and Special Reports

  • Mitigation Development, Implementation Plans & Monitoring
  • Reclamation Plans Development and Compliance Monitoring

  • Revegetation and Restoration Plans and Monitoring

  • Wetland Delineation Plans and Compliance

  • Vegetation, Ecology and Habitat Monitoring

Construction / Biological Monitoring Team

Jon Silva

Principal Biologist

Jon Silva is a Principal Biologist and co-owner of Pivot Environmental. 


Jon has principal-level experience organizing, training and leading biological and ecological survey and monitoring teams in the performance of various large-scale projects throughout the western United States. Jon has 20 years of field experience conducting a variety of botanical, fish and wildlife surveys throughout the western United States. Jon has extensive field experience conducting a variety of field surveys including baseline survey, stream inventories, culvert passage, red tree vole surveys, mollusk and amphibian surveys and eagle, owl, raptor and migratory bird surveys. Jon received his Bachelor’s degree in Wildlife Management from Humboldt State University.

Michael Scaffidi

Senior Biologist / Construction Monitor Lead & Supervisor

Michael Scaffidi is an experienced environmental compliance specialist, environmental inspector and construction monitor. Michael has been involved in numerous large-scale construction projects ensuring on-the-ground environmental compliance across an array of environmental conditions. In these roles he has been responsible for developing and conducting pre-construction nesting bird and special-status species surveys, preparing associated reports for regulatory and resource agencies, and creating the Worker Environmental Awareness Program (WEAP) trainings. In addition to these roles Michael also develops and conducts weekly construction meetings, illustrating and explaining environmental constraints, special conditions and the scheduling of Environmental Inspectors and biologists necessary to conduct critical monitoring and compliance inspections. Michael also serves to discuss and enhance “problem-solving” with construction crews to avoid impacts to environmental resources, and otherwise ensuring compliance with the project’s permit terms and conditions. Michael received a Bachelor’s degree in Environmental Biology and Management from UC Davis.

Scott Ackert

Principal Environmental Scientist

Scott Ackert is a Principal Environmental Scientist and co-owner of Pivot Environmental.


Scott has over 23 years of experience specializing in environmental permitting and planning for private and public projects and programs. Scott has experience providing a broad array of assistance with federal and state permits and regulatory compliance solutions for mining, linear and site construction, infrastructure development, natural resource management. Scott has senior level experience on over 25 NEPA and CEQA projects throughout the western USA and an extensive background of experience managing Native American development and infrastructure initiatives including NEPA assessments under BIA jurisdiction. Mr. Ackert is a veteran of the US Navy and the US Army and earned his Bachelor’s Degree in Environmental Science and Planning (ENSP) from Sonoma State University.

Chris Webster, M.S.

Principal Archaeologist

Chris Webster is a Principal Archaeologist and co-owner of Pivot Environmental.

Chris has diverse experience in 19 different states and in every region of the continental United States. Chris has extensive experience in all phases of contract archaeology; from literature searches and Class 1 surveys to full-scale excavations and lab work.  Mr. Webster specializes in a range of services from NEPA compliance to Section 106 review, and including all phases of archaeological research, and monitoring activities. Mr. Webster has done important pioneering work in practical utilization of digital field archaeology transitioning all phases of his operation to full digitization. A fully digitized operation saves client time and money on projects of all sizes.


Chris also operates and provides aerial drone surveying to Pivot clients.

Chris received his Bachelor’s degree in Anthropology from the University of Georgia, and his Master’s degree in Anthropology from the University of North Dakota. Chris is a veteran of the United States Navy. 

Michael Finnel

Biologist, Construction Monitor

Michael Finnell is a biologist with experience in biological surveys and environmental compliance. He has worked both in the private and government sectors specifically working with the flora and fauna in the Sacramento-San Joaquin and Sierra Nevada ecoregions. Michael has experience working with fisheries and wetlands and has strong experience in surveying for raptors, pollinators and associated flora, aquatic macrophytes, and sensitive/listed species. Michael received a Bachelor’s degree in Biological Science from Sacramento State University.

Menemsha Zotstein, M.S.

Biologist, Biological & Construction Monitor

Menemsha is an associate Biologist with both B.S. and M.S. degree's in biology, with a primary focus on ecological studies. Menemsha has designed her own field studies and participated in many field projects in diverse and rugged environments such as dense rainforests, wetlands, and deserts. Menemsha has worked mainly with herpetological species but has also participated in studies of numerous other mammal and avian species. Menemsha also assisted on Pivot's recently concluded, highly successful Goshawk Survey in the Plumas National Forest in northern California.

Mark Reiner

Senior Biologist, Environmental and Construction Monitor

Mark Reiner is a Geographer and Wildlife Biologist with 22 years of interdisciplinary, professional experience. In the field, Mark has been the senior manager for numerous, remote wildlife and botanical surveys, wilderness expeditions and research projects. Mark also specializes in facilitating complex logistical solutions for large-scale, multi-agency projects. Besides his work as an Environmental Scientist, he has been an educator and entrepreneur who has founded and operated several small businesses.

Marchel Munnecke

Senior Botanist, Vegetation Ecologist, Soil Scientist

Marchel Munnecke is an experienced senior botanist, vegetation ecologist and soil scientist.


Marchel is a vegetation ecologist and soil scientist for Pyramid Botanical Consultants where she collaborates with Dr. Alice Miller. For the last 3 years, Marchel has been primarily engaged as consulting soil scientist assisting the National Resource Conservation Service (NRCS) with soil surveys and land capability permitting for the Tahoe Regional Planning Agency (TRPA). Marchel is also experienced in assembling and training, and managing seasonal field crews. In that capacity Marchel develops and oversees field operations QA/QC processes and for data analysis and final reports. Marchel also provides valuable senior field services including crew development and oversight, along with associated tasks such as; digging and logging soil pits, collecting plant species cover and production data, forest stand data, and other field data. Marchel’s field experience also includes developing characteristics of depth, texture etc., and plant communities are statistically analyzed to determine the primary drivers of the biological system. Past disturbance and natural ecological processes such as forest management practices, fire regimes, forest pathogens, and natural succession are all described, using a state and transition model.\

Marchel also operates and provides aerial drone surveying for Pivot clients.

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