Our Team

Don’t you want a team that works like MAD?


Christine Dilley, MBA


As CEO, Christine manages and directs MAD Scientist Associates, LLC.  Prior to joining MAD was a seven-year career at Battelle in the world of scientific consulting — building relationships with clients, promoting company capabilities, proposal development, research, and project reporting.  In 2003, she joined MAD when Mark Dilley, the founder and then sole proprietor, became too busy with field and project work to manage and grow the business.  Christine also oversees compliance management related to federal, state, and municipal contracts and has completed ODOT’s Managing the Transportation and Environmental Project Development (NEPA) Training.  As majoriity owner, she holds EDGE, WBE, and WOSB certifications.  Her B.S. degree was earned at The Ohio State University and her MBA at Franklin University.  She currently serves as Vice President of Communications on the NAWBO Columbus Board of Directors and as a member of the Conscious Capitalism Columbus Chapter Board. Additionally, Christine is a co-owner of Scioto Gardens a native plant nursery.  Ext. 11


Mark Dilley, PWS, CSE


Mark is Chief Scientist at MAD Scientist Associates. He is a Professional Wetland Scientist (Society of Wetland Scientists) and Certified Senior Ecologist (Ecological Society of America) with over 25 years of experience in wetland science, field biology, ecology, and environmental studies. Mark is certified through Ohio EPA’s QDC program for Level 3 fish studies and habitat assessments for biological monitoring of wadeable streams and rivers. He has worked on projects in 25 states, but focuses his efforts on his home state of Ohio. (Make the sustainable choice: Hire locally-grown consultants!). Mark received his B.S. in Natural Resources in Fisheries Management and his M.S. in Environmental Science from The Ohio State University, with an emphasis on wetlands. His thesis research (Atrazine Fate and Transport in a Created Flow-through Emergent Marsh: An Examination of Key Processes) was completed at the internationally-acclaimed Olentangy River Wetland Research Park at OSU. Mark has continued his connection with OSU as a lecturer for the Wetland Ecology and Restoration course since 2012. Mark is also a co-owner of Scioto Gardens Nursery.  Ext. 10


Jenny Adkins, PWS


Jenny received her B.S. in Biology and Masters in Education from Wright State University in Dayton, Ohio. Through her years of schooling and work experience, Jenny has become skilled in plant identification, restoration planting plans, and management practices for invasive species control. She is proficient in completing detailed botanical surveys such as Ohio’s FQAI and VIBI. She is a Professional Wetland Scientist, certified delineator with ORAM training, as well as a surveyor for running buffalo clover. She utilizes her master’s in education by working with municipalities and area school districts, developing outdoor programming and environmentally focused curriculum. She also works directly with teachers and other local educators to enhance their approach in utilizing the outdoors and wetlands in their classrooms.  Ext. 16


Lindsay Hanna, CWD


Lindsay received her B.S. in Environmental Science from Bowling Green State University, and her M.S. in Natural Resources and the Environment with an emphasis in Terrestrial Ecosystems from the University of Michigan. She is a Certified Wetland Delineator and has spent much of her career delineating wetlands across the United States. In addition to wetland work, Lindsay has conducted T/E surveys and natural resource surveys, as well as performed sampling for water quality and harmful algal blooms. She has a wide variety of project experience, from environmental compliance auditing to NEPA biological and environmental assessments to environmental sampling.  Ext. 14


Nick Smeenk, Ph.D.


Nick received his B.S. in Wildlife Resources from the University of Idaho, an M.S. in Environmental Studies from Ohio University, and a Ph.D. in Natural Resource Sciences from the University of Nebraska – Lincoln. His doctoral research focused on assessment methods for wetlands in the Great Plains, including the development of the Nebraska Wetland Rapid Assessment Method, and amphibian community ecology. He is a former Amphibian and Reptile Conservation Program Research Associate with the Ohio Biodiversity Conservation Partnership at The Ohio State University where he implemented research and conservation programs for state listed reptile and amphibians including the Eastern Hellbender, Blanding’s Turtle, Spotted Turtle, and Streamside Salamander and the federally threatened Eastern Massasauga. Nick is an Ohio Division of Wildlife Approved Herpetologist for the Eastern Hellbender, Blanding’s Turtle, and Eastern Massasauga in addition to holding a federal recovery permit for the Eastern Massasauga. He is a Certified Wildlife Biologist (The Wildlife Society) and trained in ORAM, HHEI, and QHEI assessment methods. Nick is excited to apply his research, statistical and spatial analysis, and T&E monitoring experience to support ecological survey, monitoring, and restoration projects in Ohio and beyond. Ext. 21


Julius Duncan, EIT

Water Resources Engineer

Julius Duncan received his B.S. in Biological and Agricultural Systems Engineering from Florida A&M University and his M.S. in Agricultural Engineering from The University of Georgia. He has worked as an Environmental Engineer at the U.S. Environmental Protection Agency’s WaterSense program to develop resources for irrigation professionals and homeowners that highlight the benefits and best practices of water-efficient landscape irrigation products. Prior to joining the EPA, Julius was a Peace Corps Volunteer in Nepal and a Peace Corps Response Volunteer in Jamaica, working with farmers to build irrigation systems, institute agricultural BMPs, and provide written guides for farmers and volunteers. Outside of work he volunteers with his local chapter of Engineers Without Borders to conduct initial site assessments and evaluate the impacts of stormwater runoff.  Ext. 18


Jenna Roller-Knapp


Jenna is a Minnesota native who obtained her Bachelor of Science in Biology from the University of Wisconsin-River Falls, and her Master of Science in Environment and Natural Resources- Fisheries and Wildlife from the Ohio State University. Growing up on the thousands of lakes in Minnesota, pursuing undergraduate and graduate research in wetlands (the role of functional diversity in biotic resistance of non-native fishes and invertebrates in Lake Erie coastal wetlands), and actively using her SCUBA certification for work and play has developed a strong interest and deep passion for investigating, protecting, and restoring aquatic-terrestrial interfaces. This is especially important for the great numbers and wide variety of wildlife species that rely on such habitats. She is state-certified to perform freshwater mussel surveys in Group 1 and 3 streams and in 2019 she earned her Level 3 Qualified Data Collector certification for sample collection and data analysis for macroinvertebrates from Ohio EPA. She is excited to contribute her biological focus to the MAD Scientist Associates team to support and expand the company’s capabilities and pursue ecological survey and restoration projects in the Midwest.  Ext. 17


Jonathan Stechschulte


Jonathan received his Bachelor of Science in Environmental and Field Biology from Ohio Northern University, and his Master of Landscape Architecture from Ohio State University, where his graduate research focused on alternative outcomes and the designed conservation of the bosque ecosystem in Albuquerque, NM. He has a variety of ecological and design work experience, including time spent at The Dawes Arboretum, the SCCF native plant nursery, the Columbus Zoo, and Beam Designs, a landscape architecture firm. His graduate work has earned several local and national awards, including an OCASLA Honor Award and an honorable mention in the ULI-Hines student competition. He brings graphic visualization and technical drafting abilities to the team and contributes to the assessment, analysis, and design processes involved in restoration.


Alexys Nolan


Alexys Nolan is an Environmental Technician at MAD Scientist Associates. She obtained her B.S. in Biology at Western Michigan University, located in her hometown of Kalamazoo. Alexys has worked on habitat restoration projects since 2016, first at the Kalamazoo Nature Center then at The Wilds conservation center. She joined the MAD team as a certified pesticide applicator, trained chainsaw operator, and with substantial experience managing invasive species and conducting prescribed burns. She has also assisted with several restoration ecology studies and is excited to contribute to MAD’s growing list of research projects.  Ext. 19


Dan Hribar


Dan is a Northeast Ohio native and 2018 graduate of the Ohio State University with a degree in Environmental Science, with an ecosystem restoration focus. His background, which includes a previous summer as a MAD intern, encapsulates a broad array of natural resources work and field studies that has taken him throughout the state and bolstered a strong interest in the region’s diverse habitats and landscapes. He has prior experience in many aspects of terrestrial and aquatic invasive species management, including the recent creation of several site master plans for the City of Cincinnati Park Board.  Dan has recently received his commercial pesticide applicator certification and will receive additional education and training as a new member of the MAD team. Beyond the job, he enjoys taking an active role as a volunteer in his local community, frequently participating in tree plantings, litter cleanups, and invasive plant removals to improve green spaces for others to enjoy.  Ext. 22


Cody Wright

Environmental Technician

Cody received his Associate of Applied Science in Wildlife Conservation from Zane State College. He went on to pursue his Bachelor of Science at The Ohio State University in Natural Resources Management, specializing in Parks and Recreation with a sub-specialization in Wildlife. Formerly, Cody has worked with both the Knox County Park District and The Dawes Arboretum, gaining a true appreciation for habitat restoration and the management of non-native, invasive plant species – especially in grassland/prairie ecosystems.  Cody is a licensed pesticide applicator and has become very interested in using prescribed fire as a management tool in the landscape, participating in as many controlled burns as he is able to each year. With a variety of experience throughout the realm of natural resources, From wildlife surveys and monitoring efforts to restoration plantings and educational programming, Cody is excited to expand his variety of experiences and share his abilities with the team while continuing to learn new skills and grow professionally here at MAD Scientist Associates.  Ext. 22


Courtney Brownlee

Office Manager

Courtney is the part-time Office Manager at MAD and joined in the team in 2021 to assist the needs of MAD’s growing business.

Her BA in marketing was earned at Indiana University.  As a lover of the outdoors, Courtney enjoys learning from the talented MAD team as she supports leadership and keeps the office running smoothly.  Ext. 12