It takes more than the best tools and technologies to achieve positive, sustainable outcomes on environmentally challenged sites. It takes the knowledge, skills, and experience of highly qualified, trained and dedicated professionals. We believe our customer-focused team at COLUMBIA Technologies is the best in the industry. Our technical staff consists entirely of degreed and experienced geologists, chemists and engineers who together have performed over 1,500 high-resolution site evaluations worldwide.


John H. Sohl, III – President and CEO

Co-founder of COLUMBIA Technologies, John brings to his roles of President and CEO 35 years of experience directing the development of innovative business solutions fusing science and technology to advance the state of environmental services. At COLUMBIA, John is responsible for the overall direction of corporate activities, the quality of the company’s field services and business development. John is also co-founder of the award-winning SmartData Solutions® real-time data services platform and has played an integral role in providing clients with real-time decision making information. A former officer in the U.S. Navy nuclear submarine force, John holds a B.S. in engineering from the United States Naval Academy and an MBA from Chaminade University of Honolulu. John is a member of the Small Environmental Business Action Coalition, the Sustainable Remediation Forum, the Society of American Military Engineers, and the National Ground Water Association.

Need to schedule an appointment with John?

Download John's CV here


Gayle Goff – Quality Assurance Manager

As COLUMBIA Technologies’ Quality Assurance Manager, Gayle Goff is responsible for conducting self-assessments, analyzing quality performance metrics, and the execution of improvements of quality programs. Gayle has 30-years of experience in strategic planning, technical management, and laboratory supervision with the U.S. Navy. During her time overseeing Safety and Occupational Health programs for hospitals, clinics, research laboratories and educational facilities worldwide, Gayle led key initiatives to streamline self-assessments, set performance metrics, and improve the quality of programs in a well-focused, consistent, systematic and quantifiable manner. Gayle holds an M.S. Degree in Environmental Health Sciences for the University of California at Berkeley, an M.A. Degree in Chemistry (with Distinction) from the University of Hawaii, and is a Certified Industrial Hygienist with the American Board of Industrial Hygiene.


Brian McCann – Sales Manager

With over 20 years of experience, Brian has successfully directed multi-million dollars in sales of professional services, as well as communications and leadership development products for individual and organizational development. Before joining COLUMBIA Technologies, Brian served as the Regional Sales Consultant for Education and Government at CPP, Inc. where he directed the sale of the highly renowned Myers-Briggs Type Indicator® instrument to the Federal Government and other institutions throughout the US. Brian offers extensive knowledge of Federal Government procurement and government markets. This experience is instrumental in his role as Federal Programs Manager, where he is focused on deepening COLUMBIA Technologies’ relationships and opportunities in the Federal sector.   He earned an M.S. in Technology and Human Affairs from Washington University.


Scott Pieper - Operations Manager

Scott brings 35 years of environmental project management, spill response, site remediation, and hazardous materials management experience to our team.  He has operated throughout North and South America across all of the platforms that COLUMBIA Technologies operates.  His experience includes the operation and maintenance of certified mobile environmental laboratories, high-resolution characterization tools including the Membrane Interface Probe, the Hydraulic Profiling Tool, and Laser Induced Fluorescence systems. Pieper holds a B.S. in Geological Sciences with an emphasis in Engineering from San Diego State University. 


Anthony Herrmann – Geologist

Anthony as an experienced geologist with broad experience in environmental site assessments, groundwater assessments, and hazardous waste site audits across the U.S. is a strong addition to the Columbia Team. With strong experience in drilling oversight he has conducted numerous geotechnical assessments interpreting, classifying, and logging, and modeling core samples. Anthony conducted operation and maintenance (O&M) activities on soil vapor extraction (SVE) systems, and pump and treat systems. He is also experienced in emergency response activities including interaction with state regulatory agents, property owners, and emergency response crew. Anthony earned his B.S. degree in geology at Clemson University.


Wendi Jacklitch – Data Analyst and Customer Support

As Information Manager, Wendi manages the flow of information and deliverables from the company’s cloud-based information system, SmartData Solutions®. She assists customers with project setups, data interpretation, and delivery of final reports and data visualizations. She has six years of experience, including one year with COLUMBIA Technologies as a field geochemist. Wendi holds a Bachelor of Science in Chemistry with Professional Option and an emphasis on soil and environmental chemistry from the University of Idaho. Her graduate work includes laser spectroscopy at Montana State University, and Chemistry Department, completing five years of research. She has been published several times in MRS Proceedings.