Our Team

Patrick T. Hastings, Jr., P.G.

Patrick T. Hastings, Jr., P.G. Vice President of Operations/Principal Geologist

Mr. Hastings has over 20 years of experience in the field of Geophysics and Construction Management. He holds an undergraduate degree from the University of Michigan and a graduate degree from the University of Minnesota. Since joining SSI he has worked on multiple projects specializing in vibration monitoring and pre-construction surveys. Mr. Hastings has received formal training in conducting pre-condition surveys and seismic monitoring through SSI’s in-house training program and is a certified pre-blast surveyor in West Virginia. Mr. Hastings is a certified ICC – Residential Building Inspector. His professional experience includes vibration monitoring of construction activity and blasting, analysis of seismograph data, pre-blast/construction inspection of structures, and public relations.
Eric B. Rehwoldt, P.E., P.G.

Eric B. Rehwoldt, P.E., P.G. Vice President of Operations/Vice President of Engineering

Mr. Rehwoldt is a licensed Professional Engineer in 12 states and a registered Professional Geologist. He has over 30 years of professional engineering experience. He earned his Bachelor of Science in Geology from the University of California, Los Angeles in 1985 and his Master of Science in Geological Engineering from the University of Nevada at Reno in 1989. Eric’s geotechnical, geological, geostructural, geophysical, seismic ground response, and geo-environmental project engineering experience spans the East and West coasts of the United States, and more than 50 countries. His technical specialties include structural condition inspections, foundation design and construction, rock slope engineering, karst studies, geotechnical earthquake engineering, and slope stability analysis and stabilization. Mr. Rehwoldt is in responsible charge of engineering services for Seismic Surveys, LLC
W Clifford Miller

W. Clifford Miller, II Area Manager - Florida

Cliff is SSI’s Florida Area Manager and is based in our Brevard County, Florida office. He has specialized experience and training in the implementation of vibration monitoring programs on blasting, construction, and demolition projects. He has received formal training in conducting pre-construction structure surveys, seismic monitoring, and crack monitoring through SSI’s in-house training program. He has received his OSHA Construction Safety and Health training certificate and is a member of the International Society of Explosives Engineers. He has over three years of experience in vibration monitoring, analysis of seismograph data, airblast studies, installation and use of Automated Motorized Total Stations (AMTS) for settlement monitoring, and crack gauge installation and monitoring. Cliff is a licensed UAS Remote Pilot (Certificate No. 4106105) through the FAA.
Brynn Harris

Brynn Harris, C.P.G. Senior Geologist

Ms. Harris has a BS degree in Geology from Radford University. She has received formal training in conducting pre-condition surveys, seismic monitoring, and crack monitoring through Seismic Surveys, LLC’s in-house training program. Ms. Harris has her OSHA 10-hour Construction Safety and Health training certificate. Her professional experience includes 10 years of experience in vibration monitoring of construction activity, blasting, analysis of seismograph data, attenuation studies, pre-blast/construction inspection of structures, crack gauge installation and monitoring, and public relations.
TJ Deane, E.I.T, P.G.

James "TJ" Deane, P.E., P.G. Senior Geologist

Mr. Deane has a M.S. in Geoscience from Pennsylvania State University and B.S. in Geology from the University of Maryland. He is a licensed professional geologist in states of New York and Virginia. His specialized professional experience includes conducting pre-condition surveys, vibration monitoring, sound monitoring, and movement monitoring using a variety of geotechnical tools and methods for government and private sector clients. Prior to joining SSI, he helped manage environmental remediation projects and oversaw the collection, interpretation, and distribution of physical and chemical data collected from environmental media. Mr. Deane has received formal training in pre- and post-construction condition surveys, and vibration monitoring and seismograph operations. Among other trainings, he holds certifications for OSHA 40-Hour HAZWOPER, OSHA 8-Hour HAZWOPER Supervisor, OSHA 10-Hour Construction Safety, OSHA Fall Protection, OSHA Confined Space Operations, MSHA Quarry Training, and is a FAA Certified Remote Pilot Operator.
Ben Spindler

Benjamin Spindler, C.P.G Project Geologist

Mr. Spindler has a BS degree in Geology from Radford University. Since joining SSI, he has received experience in vibration and movement monitoring as well as pre-blast/construction surveys. Mr. Spindler has received formal training in conducting pre-condition surveys and seismic monitoring through Seismic Surveys, LLC in-house training program. Mr. Spindler is a certified ICC – Residential Building Inspector. His professional experience includes vibration monitoring of blasting, analysis of seismograph data, pre-blast/construction inspection of structures, and public relations.
Bob DiLullo

Bob DiLullo Senior Staff Geologist

Mr. DiLullo received his Bachelor of Arts degree in Geology from Stockton University. Since joining SSI, Mr. DiLullo has received experience in vibration and movement monitoring as well as pre-blast/construction surveys. He has received formal training in conducting pre-condition surveys, seismic monitoring, crack gauge installation and monitoring through Seismic Surveys, LLC in-house training program. He has also received his OSHA Construction Safety and Health training certificate and is a certified ICC - Residential Building Inspector. His professional experience includes vibration monitoring of blasting and construction activity, analysis of seismograph data, pre-blast/construction inspection of structures, and public relations.
Brett Meyers

Brett Meyers Senior Staff Geologist

Mr. Meyers is currently working towards a B.S in Geology at Stockton University. Mr. Meyers has received formal training in conducting pre-condition surveys and seismic monitoring through Seismic Surveys, LLC in-house training program. Mr. Meyers has received his OSHA Construction Safety and Health training certificate and is a member of the International Society of Explosives Engineers. Mr. Meyers is a certified ICC – Residential Building Inspector. His professional experience includes vibration monitoring of construction activity, blasting, analysis of seismograph data, and public relations.
Brendan Lomago

Brendan Lomago Senior Staff Geologist

Mr. Lomago received his Bachelor of Science degree in Geology from the University of Florida and his Master of Science Degree in Geology from Mississippi State University. He has also received his 30-Hour OSHA Construction Safety and Health training certificate. Since joining SSI, Mr. Lomago has received formal training in conducting pre- and post-construction condition surveys and seismic monitoring through Seismic Surveys, LLC in-house training program. His professional experience includes vibration monitoring of construction and blasting activity, conducting pre- and post-construction condition surveys, public and client relations, wellsite geology, and teaching.
Trevor Brown

Trevor Brown Senior Staff Scientist

Mr. Brown has a Bachelor of Science in Earth Science from Salisbury University. Mr. Brown has received formal training in conducting pre-condition surveys and seismic monitoring through Seismic Surveys, LLC in-house training program. He has received his OSHA 30-hour Safety and Health Certificate, is MARTCP certified in Soil & Aggregate Compaction, and has been certified in the operation of nuclear density gauges and HAZMAT transport. Before joining Seismic Surveys, Mr. Brown gained professional experience in the fields of geotechnical engineering, construction, and disaster relief.
Paul Ponton

Paul Ponton, III Instrumentation Manager

While earning his Bachelor of Science degree in Environmental Science at Towson University, Mr. Ponton interned with the Baltimore County Department of Environmental Protection and Sustainability, assisting in the restorative health and monitoring efforts of the counties’ municipal waterways. Shortly after graduation, he was contracted by the Maryland Department of Natural Resources to spearhead the mitigation strategy against the introduction of invasive species within Deep Creek Lake, MD. Before coming to SSI, Mr. Ponton became a respected veteran of the solar industry working with the largest firms in the United States. Paul is currently SSI’s Instrumentation Manager and is responsible for managing the inventory, service, maintenance, and deployment of over 200 engineering seismographs and other geotechnical and structural instrumentation nationwide. Since joining SSI, Mr. Ponton has recieved formal training in seismograph operation and ICC residential building inspection. In addition, he has received his OSHA Construction Safety and Health training certificate.
Jeff Small

Jeffrey Small Instrumentation Technician

Mr. Small has received formal training in conducting pre-condition surveys, seismic monitoring, and slope monitoring through Seismic Surveys, LLC in-house training program. Mr. Small has received his OSHA Construction Safety and Health training certificate. Mr. Small is a member of the International Society of Explosives Engineers. His professional experience includes vibration monitoring of construction activity, blasting, analysis of seismograph data, airblast studies, slope monitoring, crack gauge installation and monitoring, and public relations.
Andrew Pak

Andrew Pak Instrumentation Specialist

Mr. Pak earned his Bachelor of Science degree in Geography and Environmental Science at the University of Maryland Baltimore County. After graduation, he gained additional knowledge in IT and GIS (Geographical Information Systems). Prior to SSI, he freelanced for some software companies in MD and aided with GIS mapping projects at several schools in the state. These experiences have given Mr. Pak a unique combination of computer knowledge and environmental background that has helped SSI expand into other forms of environmental monitoring.
Kendall-Dean-website

Kendall Dean Assistant Controller

Kendall received her Bachelor of Arts Degree in Business Administration and Economics from McDaniel College. She is SSI’s Assistant Business Administrator and is responsible for assisting with the operational, organizational, and managerial responsibilities of the company. She has also received her Professional Administrative Certification of Excellence (PACE).
Ashley-Kight-Website

Ashley Kight Technical Administrator

Mrs. Kight earned her Bachelor of Science degree in Mining and Minerals Engineering and minored in Geology at Virginia Tech. While earning her degree she interned at the Naval Surface Warfare Center in Indian Head Maryland in the Research, Development, Test and Evaluation Department assisting in research for high-energy material applications. After graduation Mrs. Kight joined SSI’s team as a Staff Scientist and received formal training in conducting pre-condition surveys and seismic monitoring through SSI’s in-house training program. Mrs. Kight is now SSI’s Technical Administrator and Proposal Coordinator. Her professional experience includes vibration monitoring of construction activity and blasting, analysis of seismograph data, pre-blast/construction inspection of structures, and public relations.
Alexandra Ferrigno

Alexandra Ferrigno Technical Writer/Editor

Alexandra received her Bachelor of Science in English from Towson University, where she focused on journalism, coding, and writing for grants, RFPs, science, and business. She was inducted into Phi Sigma Pi Honor Fraternity, holding multiple leadership roles throughout her membership. Alexandra has interned at several nonprofits, including Best Buddies Maryland as an RFP writer and Borgen Project as a journalist. Her role as Technical Writer/Editor at Seismic Surveys primarily includes editing and creating technical documents, along with supporting the Florida team. Alexandra earned her OSHA 10-Hour Construction Safety training certificate, along with pre- and post-survey training through SSI.

Hector Sevilla Project Engineer

Hector is a Project Engineer for Seismic Surveys.

Casey McNamee Staff Geologist

Ms. McNamee is a graduate of Frostburg State University, where she earned her Bachelor of Science in Earth Science and Geography. She has a background in environmental science and primary outdoor education. She has also received her 30-Hour OSHA Construction Safety and Health training certificate. Since joining SSI, Ms. McNamee has received formal training in conducting pre- and post-construction condition surveys and seismic monitoring through Seismic Surveys, LLC in-house training program. Her professional experience includes vibration monitoring of construction and blasting activity, conducting pre- and post-construction condition surveys, public and client relations.

John Kemmerer Staff Scientist

John Kemmerer is a staff scientist for Seismic Surveys, LLC.
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Matthew EliszaldeStaff Geologist

Matthew Eliszalde is a staff geologist for Seismic Surveys, LLC.
Breanna McGarvey

Breanna McGarvey Office Administrator

Breanna received a Bachelor of Science in Family Science from the University of Maryland, College Park. She possesses a strong background in organizational and analytical skills, along with multitasking skills and the ability to simultaneously manage various projects and schedules. She is SSI’s Office Administrator and is responsible for supporting and coordinating office activities to secure efficiency and compliance to company policies. Prior to beginning her role at SSI, Breanna has over 10 years of experience working as an administrator.
Ian Soifer

Ian Soifer Staff Scientist

Mr. Soifer is completing his Bachelor of Science Degree in Geology while working at SSI. He has one year of experience in performing vibration monitoring, both attended and unattended, conducting pre- and post-construction/blast surveys, and installing and maintaining geo-structural instrumentation. He has received formal training in conducting pre-condition surveys, seismic monitoring, crack gauge installation and monitoring through Seismic Surveys, LLC in-house training program.

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  • About Argus Monitoring Solutions

  • Argus Monitoring Solutions is a tech enabled, test measurement services platform that provides outsourced seismic and environmental monitoring and inspection services to the quarry, construction, infrastructure, and mining sectors. Argus companies include Seismic Surveys, Sauls Seismic, and Nomis Seismographs.

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