Where Expertise & Technology Meet
Meet the leaders in one of the most respected Geophysical firms in the United States
Our Approach
New technology can amplify experience and wisdom, and allows far greater insight. Bigman Geophysical has a long-held reputation for collaboration with hundreds of organizations and companies, and has worked closely with experts from countless fields.
We approach projects with confident mastery of non-destructive technology and we listen carefully to the needs of every client. Our investigations are carefully designed to suit our customer's projects -and budgets- precisely.
When you book a survey with Bigman Geophysical, you can expect custom tailored, precisely fit results designed for exactly what your project needed.
What we do
Bigman Geophysical specializes in assessing and modeling the subsurface world using only totally non-destructive technologies. Investigations cover a tremendous array of fields of specialty, from civil engineering and forensic structural analysis to archaeological exploration and soil contamination studies, and many more. We offer top of the line service with teams of highly trained operators and expert analysts. We also provide equipment and train companies and organizations around the world in the use of those technologies.
Who We Are
Our Founder
Dr. Daniel Bigman, CEO
While recognized internationally as expert geophysicist, Dan has a reputation as a down-to-earth approachable teacher, and he is just as comfortable with a crew on a worksite as he is before a panel of scientists. Drawing from his background as a college professor, Dan's passion has always been teaching. He inspires his team and his customers alike to engage problems with a bold, yet scientific approach that focuses on using non-destructive technology and logic to make well informed decisions.
Meet the Team
Dr. Sean McConnel
Senior Project Manager
With a background in Archaeology, Sean has a passion for exploration and mapping the underground world. He is a recognized expert in non-destructive technology and frequently manages engineering, forensic, environmental, and archaeological projects with an incredible rate of success. His current research focuses on Scan-to-BIM technology and the application of automated software and robotics.
Jeff Guarnera, VP of Sales
Jeff is a strategic visionary who scales small to large-scale projects for clients by utilizing his 25+ years of management and high-end consulting experience. Jeff prioritizes long term customer success over short- term transactions. He first understands a client's business, then identifies their unique challenges, and guides them toward the right solutions, not simply the most expensive ones. Jeff has a reputation for building trust and delivering sustainable value. Jeff doesn't just see a solution to your problem; he sees several, and he can price them to suit your budget.
Meiling Chan Chow
Project Manager
With a background in the Geotechnical and Geological industry, Meiling has deep familiarity with soil horizons, void spaces, and targets of concern for many engineering interests. Known for her upbeat yet thoughtful demeanor, she has become a cornerstone for reliable insights on challenging projects.
Felicia Smith
Human Resources Manager
Felicia Smith serves as the Human Resources Manager at Bigman Geophysical. She earned her degree from Morris Brown College and has applied her education and leadership skills to foster a positive, productive workplace culture. Felicia has led several impactful initiatives including the implementation of a company-wide employee engagement program that significantly improved retention and morale. Her strategic approach to organizational development has supported the company's growth while ensuring employees feel valued and empowered.
Benjamin White
Business Development Specialist
Ben is a results-driven Technical Sales Specialist at Bigman Geophysical, focused on bridging the gap between cutting-edge geophysical technology and client success. Leveraging a an intuitive understanding of subsurface imaging and data analysis, Ben works to provide clients with tailored solutions that drive efficiency and profitability.
Sherrie Gearheart, Marketing Director
Sherrie brings a unique blend of business marketing acumen and heart to the team, grounded in over ten years of experience leading a suicide prevention charity. Known for her composure amidst rapid changes, she specializes in managing the unmanageable. Sherrie possesses a near-magical ability to take complicated logistics and transform them into seamless, smooth-running operations.
Andre Middleton, Trainer/Operator
Orlando Heaven, Trainer/Operator
As a seasoned Trainer/Operator with over five years of dedicated experience, Orlando is a recognized expert in damage prevention and non-destructive testing. He not only performs complex Subsurface Utility Engineering (SUE) but is also responsible for training field staff in the advanced use of detection technology. His expertise spans a wide range of specialized equipment, including electromagnetic sensors, ground-penetrating radar, ultrasonic pulse-echo, magnetic gradiometry, and electromagnetic induction.
Years
Projects Completed
Countries
Collaborations
"Bigman Geophysical and the LearnGPR Academy have been important components of success for Enhanced Scanning for training new hires, renting equipment, and consulting on important projects. "
"Bigman Geophysical has been a true game changer for Pegasus Environmental. Their professional support and training regimen is unparalleled within the industry. This has enabled us to advance to a new level."
"Bigman Geophysical has been instrumental in introducing us to the science of Ground Penetrating Radar (GPR). Understanding the location of underground utilities and possible subsurface voids is critical to our success. The support the Bigman Geophysical team has provided us at every step from procuring, to using the GPR equipment, to analyzing the GPR survey results has been world class."
