Environmental Engineers in Reno and Nevada


Dietrick McGinnis

Dietrick McGinnis PhD, PE, CEM

Dr. Dietrick McGinnis is the founder and Chief Executive Officer of McGinnis and Associates. In addition to being a Professional Engineer (PE, Environmental) and Nevada Certified Environmental Manager (CEM), Dr. McGinnis earned his PhD in Civil Engineering from the University of Nevada, Reno. Dr. McGinnis has over 25 years of experience in environmental consulting during which he has developed economic, energy, and environmental programs for both industry and government. His projects frequently include characterization and assessment, remediation design, stormwater program development, watershed and wetland restoration, and water and wastewater treatment. Over the years, he has been involved with government to government relation assignments including Tribal Governments, NRDA, and Superfund technical support. Dr. McGinnis has guided monitoring programs for water, soil, plants and air including mining, radiological and pesticide assessments and drinking water/wastewater treatment systems.

Sarah Peters

Sarah Peters EI, CEM, Chief Operating Officer

Sarah Peters is an EI, CEM, and Chief Operating Officer at McGinnis and Associates. She received her BS in Environmental Engineering from the University of Nevada, Reno in 2011. Sarah currently specializes in regulatory permitting and compliance with experience in land-use planning and environmental permitting with federal, state, and local governments. Sarah has expertise in project management with a variety of project types, including, Army Corps of Engineers wetland delineation and 401/404 permitting, National Environmental Protection Act assessment for the Bureau of Indian Affairs and Indian Health Services, and Nevada storm water permitting and compliance. She has additionally conducted Phase I site assessments for residential and commercial development projects and has previously worked with local and state air districts for both permitting and compliance for local and regional projects. Sarah has developed key project documents including climate change vulnerability assessments, resource management plans, wetland redevelopment projects, emergency response plans, emissions inventories, and has developed an in-house database to meet USEPA STORET data management standards.

Megan Horan

Megan Horan, Chief Financial Officer

Megan Horan is the Chief Financial Officer at McGinnis and Associates. Megan received her BS in Public Health with a certificate in Gerontology from University of Nevada, Reno. Her leadership style is to build trust through authenticity. Megan's positivity and drive brings a great energy to the McGinnis and Associates office. She is responsible for the development of McGinnis and Associates’ financial management strategy and has been instrumental in the company’s growth initiatives. In addition to the strategic components, Megan is charged with developing and implementing more sophisticated policies and procedures both in the finance and general operational realms. Human resource matters and business documentation are included under her supervision. Also, direct any administrative issues you have her way and she’d be happy to help you. You can reach Megan at 775-853-0449 x3, or mhoran@mcginnisandassociates.com

Loren Secor

Loren Secor, Environmental Specialist II

Loren Secor is an Environmental Specialist II with McGinnis and Associates. He received his BS in Ecohydrology at the University of Nevada, Reno in 2019. Loren had previously worked with the Washoe Environmental Protection Department on a variety of projects including river restoration, post-fire land management, and climate change adaptation plans. Prior to his work with the Washoe Tribe, Loren was an AmeriCorps with the Carson Water Subconservancy District in Carson City, NV. Under this role, he assisted with various water related projects and gained exposure to many environmental partners across Nevada and California. Loren currently manages a combination of project work for clients and office administrative tasks at McGinnis and Associates.

Gino Calderoni

Gino Calderoni, Environmental Specialist

Gino Calderoni is an Environmental Specialist working with McGinnis and Associates. He received his BS in Environmental Science from the University of Nevada, Reno in 2022. His focuses at UNR included restoration ecology, spatial analysis, GIS technologies, and environmental policy. Through UNR, he worked on several projects involving spatial analysis, his favorite being a Southern Nevada desert tortoise population distribution analysis in which precipitation patterns and hydrogeography were used to test potential clusters of tortoises. At McGinnis and Associates, Gino is responsible for a range of tasks from client-related projects to office administrative tasks.

Nathan McGinnis

Nathan McGinnis, Office Assistant

Nathan McGinnis is a student at University of Nevada, Reno pursuing a major in electrical engineering. He is a hard-working professional able to undertake a variety of office support tasks and maintains the company office space with a high standard of cleanliness that exceeds pandemic recommendations. It is his goal to maintain a healthy and safe work environment in the office for any employee and guest.

Caitlyn Hoon

Caitlyn Hoon, Student Worker

Caitlyn Hoon is currently a student in her senior year at the University of Nevada, Reno looking forward to graduating in May 2023 with a BS in Environmental Science and a minor in Political Science. Caitlyn also works as a Student Research Technician at the Newingham Lab (a part of the USDA’s Agricultural Research Service), primarily focused on a seed bank analysis of Mojave invasive grasses and how they interact with pesticides. As part of McGinnis and Associates, Caitlyn aids the team with technical work for clients, including data entry, data management, and other project work