Mark Williams


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…


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.…


J.P. Stokes

Senior Hydrogeologist

As Earth Data’s senior hydrogeologist, JP is responsible for the management of water resource projects. He has over 20 years’ experience in water supply planning, groundwater management, water appropriation permitting, on-site wastewater disposal projects…


Ted Trumbull

Operations Manager

Ted oversees the day-to-day environmental field services to ensure Earth Data completes projects on time and to each client’s needs. His responsibilities include well drilling, well redevelopment, well inspection, pump testing, pump installation, tv/geophysical surveys…


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…


Bruce Strazza

Construction Inspector

Bruce has been an employee of Earth Data for several years and is currently construction inspector. His responsibilities take him out of the office and into the field on a daily basis. He as a love of technology and studied at the University of Maryland, College Park. He advanced his...


Jackson Forrest

Geospatial Technical Manager

Jackson Forrest 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…


Mary Wakefield


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 a focus in both Mass Communications and…


Jeff Chipman


Jeff was born and raised in the dry red rock desert of Southern Utah. There he learned the importance of being outside enjoying the natural world and the need for responsible stewardship of water and all natural resources. He graduated with...


Jake Bram

Environmental Scientist

Jake was an intern at Earth Data in January 2015 while attending Randolph-Macon College. He graduated with a degree in Environmental Studies with a focus on geology and hydrology. After graduating from Randolph-Macon…


Scott Wolf


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...


Avery Dunn

Environmental scientist

Avery became part of the Earth Data team in June of 2019. She is a graduate of Penn State University with a B.S. in Environmental Resource Management with a concentration in Environmental Science. She brings her previous...


Shawn Stabile

GIS Analyst

Shawn has been with the Earth Data since November 2017. He received his undergraduate degree in Earth Science and Geography from Frostburg State University. While at Frostburg…


James Janis

GIS Analyst

James joined Earth Data in 2015 and plays a role in Earth Data UTP and WRDB dataset to the AGC. Mr. Janis has extensively studied and gained a significant knowledge of the UTP Field Guide and WRDB Extraction Guide. He possesses…


Kevin White

Project Coordinator/Facility Security Officer

A career Marine, Kevin graduated from the U.S. Naval Academy, the Army Command and Staff College, and received his MBA from Johns Hopkins, Carey School of Business. His role at Earth Data particularly suits…


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…