Our Team

Our four founders, Kristi, Josh, Diana, and Charli, have been working together and supporting each other on projects for many years. The relationships we have built together are founded on trust and respect. Together, we have founded Nexus Environmental Consultants, to provide our clients with a streamlined approach to their environmental needs.

Kristi Schaff

Kristi graduated from Montana State University and has been working in the environmental consulting industry since 2003.  Kristi started her career in Elko, Nevada where she performed numerous tasks and duties including conducting biological field surveys, surface water hydrology surveys and monitoring, groundwater well sampling, Jurisdictional Water of the United States determinations, and proper functioning condition surveys. 
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In addition to field surveys, Kristi started managing multiple types of projects and working on National Environmental Policy Act (NEPA) Environmental Assessments and Environmental Impact Statements serving a wide range of clients including the mining and renewable sectors.  Kristi has a broad working knowledge of the NEPA and baseline studies necessary to support the NEPA analysis and has managed multiple NEPA projects throughout Nevada with cooperating local, State, and Federal agencies.  She enjoys working with these teams to meet a common goal of preparing timely and defensible NEPA documents. 

Kristi has been a member of the National Association of Environmental Professionals; American Exploration and Mining Association; Idaho Mining Association; Geological Society of Nevada, Society of Rangeland Management; Society of Mining, Metallurgy and Exploration; Nevada Mining Association; Women in Mining; and the Women’s Mining Coalition. She grew up in a small town in Southern Idaho with a ranching background and now lives in Reno, Nevada with her family where she enjoys gardening and spending time outdoors.


Josh Vittori

Josh Vittori grew up in rural Nevada and went on to attend the University of Nevada, Reno where he received his Bachelor of Science in Forest and Rangeland Management. After working for the state and federal agencies he went into environmental consulting. He also has a Master’s in Business Administration from Western Governors University. 
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During his time as a consultant, he has gained a tremendous amount of expertise in wildlife and botany specializing in baseline biological surveys, NEPA document preparation assistance, and biological mitigation and compliance. He is particularly well experienced with the State of Nevada’s Greater Sage-Grouse Conservation Credit System, U.S. Fish and Wildlife Service golden eagle take permitting, and mule deer migration monitoring and mitigation.

Josh is very involved in the wildlife and natural resources community where he is a past President and current board member of Nevada Bighorns Unlimited – Reno, past President and current board member the Nevada Agricultural Foundation, and a member of the State of Nevada Wildlife Commission’s Mule Deer Oversight Committee.

During his spare time Josh likes to enjoy the outdoors camping, fly-fishing, and hunting. He and his family live in Reno, Nevada, where he is also a member of the Fraternal Order of Elks, Reno Lodge Number 597.

Diana Eck

Diana Eck has lived and worked as an environmental consultant in Elko, Nevada since 2009. During her time as a consultant, she has conducted various biological surveys and authored numerous reports and environmental impact documents. Today, Diana thrives working on projects that she sees directly affecting the community in which she lives.
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Diana developed her love for the outdoors growing up in rural Pennsylvania. From an early age she had a passion for the natural environment around her. Her passion led her to Fort Collins, Colorado where she graduated from Colorado State University with a major in Wildlife Biology, minor in Fisheries Biology, and concentration of Geographic Information Systems. After graduating, she worked for agencies and non-government organizations throughout several western states, including Wyoming, California, and Idaho, before finally settling in Nevada.

In her spare time, Diana enjoys traveling, spending time with her family, and doing anything outdoors. She loves learning new things and enjoying each moment as they come. She has been a member of Toastmasters International, Geological Society of Nevada, and Nevada Mining Association.

Charli Sperry

Charli Sperry grew up in a small agricultural community in southern Idaho. After graduating high school, she moved to Reno, Nevada, which is where she now calls home. She attended the University of Nevada, Reno where she volunteered in the community and learned the intricate values involved in natural resources. Charli began environmental consulting shortly after college, which is where she found her calling.

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Charli has been an environmental consultant in the western United States for nearly seven years. During that time, she has managed or been involved in a diverse range of projects, including for renewable energy, mining, golf courses, and new home construction sites. She routinely manages pre-construction or exploration work, such as baseline data collection or NEPA permitting, as well as the associated compliance aspect on the back-end. She manages each of her projects with clear and concise communication, integrity, and drive.

​While consulting, Charli has gained extensive knowledge of what regulatory agencies require, and has worked on matters including environmental assessments, environmental impact statements, biological baselines, hydrological baselines, visual resource baselines, lands with wilderness characteristic inventories, and stormwater pollution prevention plans, just to name a few. Charli strives to provide the same level of detail and sound guidance regardless of the size and complexity of the issues facing her clients.

​In her spare time, you can find Charli somewhere in remote Nevada hiking or upland game bird hunting with her family. She loves the freedom and solitude that Nevada offers and it’s how she recharges her batteries and continues to be a driver for her clients.

Let’s Work Together

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