Mark Williams
President
Mark Williams is president and owner of Earth Data Incorporated. He is a proud Razorback, graduating from the University of Arkansas at Fayetteville with a BS in engineering. A self-professed “engineer by training and well driller by the grace of God”…
Eric Flickinger
Director of Geospatial Services
Eric has a passion for exploring the world with an analytical mind and an eye for beauty. He enjoys the wonder of every life moment.
When he was young he remembers staring out the classroom window and wondering where…
Neil Winner
Senior Groundwater/Technical Consultant
Neil joined Earth Data after retiring from the Maryland Department of the Environment in 2019. He has a broad and comprehensive knowledge of well construction, pumping equipment, and water treatment processes and…
Christine Kunkowski
Office Manager
Christine’s varied career includes everything from a graphic designer to a baker, from a courier to an event coordinator. While she attended the University of Maryland, Baltimore County, she was even a writing lab tutor for other students.…
Jennifer Marshall
Accounting Manager
Jennifer has been with Earth Data for several years and oversees the Earth Data accounts. She interfaces with customers and vendors daily…
James Dwyer
Senior Water Resources Engineer
James Dwyer brings over 35 years of experience with injection well and wellfield development projects throughout the U.S. With undergraduate and master's degrees from Texas A&M, , he is a registered engineer in Virginia, Florida, Texas, and Colorado…
Jackson Forrest
Geospatial Technical Manager
Jackson joined Earth Data Incorporated in April 2014 after graduating from Virginia Tech with a B.A. in Geography with an option in Geospatial and Environmental Analysis and Minor in Natural Resources. He has experience working with and creating complex...
Ron McDonald
Project Administrator
Ron joined Earth Data Incorporated in May 2017. He is involved in many aspects of well construction and well redevelopment and reconstruction projects and assisting with Phase I Environmental Site Assessments…
Darnell Jones
Administrative Assistant
Darnell is a dedicated and organized professional supporting our team's daily operations. While new to Earth Data and the industry, Darnell brings a fresh perspective and a strong enthusiasm for learning.
Mary Wakefield
Vice President of Water Resources
Since joining Earth Data, Mary has been involved in managing many of Earth Data’s onsite subsurface wastewater disposal projects. She holds an undergraduate degree in International Relations with focuses…
Ben Gemballa
Project Geologist
Ben is originally from Apollo, PA. He recently completed his Master of Science degree in Seismology at the University of Memphis, where he was also a Graduate Research Assistant. He completed his Bachelor of Science degree in geology at…
Curt Nordeman
Project Manager
Curt joined Earth Data Incorporated in December 2023 as a Project Manager in the Virginia office and brings over 20 years of engineering design and construction experience. His job is to oversee the daily operations of …
Jackson Speary
Geologist
Jackson joined the Earth Data team in 2024. He holds a BS in Geology from The University of the South in Sewanee, Tennessee. While attending college, Jackson was involved in projects using ArcGIS to compile spatial data …
Scott Wolf
geologist
Scott joined Earth Data in 2019 after graduating from Lock Haven University of Pennsylvania with an undergraduate degree in Geology and a concentration in Water and Environment. While at Lock Haven, he worked...
Max Winn
GIS Analyst
Max recently joined the Earth Data team. He earned his undergraduate degree from JMU and his professional master’s from the University of Pittsburgh.
Cliff Stein
Senior Soil Scientist-Emeritus
Cliff Stein is Earth Data's Senior Soil Scientist-Emeritus. His wealth of knowledge and expertise has served Earth Data well in providing hands-on experience in the field…
Joe Willey
Corporate communications
Joe has been part of the Earth Data team since the end of 2018. He communicates the capabilities and values of Earth Data through the web and social media…