Who We Are
UNDERGROUND INTELLIGENCE
Though our work is often buried, the results always show where it matters most: on the upside of your investment. As soil and rock experts who solve geotechnical puzzles with ingenuity and technical rigor, we study the options, help you assess risk, imagine the possibilities and do the math. Above all, we never forget that lives and livelihoods depend on the ground beneath your project.
We believe that exceptional client service drives successful projects and builds powerful relationships. To that end, talented people, collaboration, open communication, and responsiveness are key components of our process. Our goal is to add value and be a trusted member and extension of your team.
A SOLID FOUNDATION
Founded by Senior Principals, Ted von Rosenvinge and Ulrich LaFosse, since 1995, GEODesign has grown to become a prominent geotechnical engineering, environmental consulting and construction engineering firm.
With a staff of thirty, including ten registered professional engineers, we have consulted on thousands of projects from coast to coast. We would welcome the opportunity to make the earth work for your next project.
Click on the image below to view our company brochure
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Ted von RosenvingeSENIOR PRINCIPAL |
Thomas ThomannSENIOR PRINCIPAL |
Ulrich LafosseCO-FOUNDER EMERITUS |
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Sandra L. TrudeauCHIEF OPERATIONS OFFICER |
Jonathan CiampiPRINCIPAL |
Paul Woodell, Jr.ASSOCIATE |
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Jacob WimettPRINCIPAL |
Eric BlumbergASSOCIATE |
Ansuman RavalASSOCIATE |
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Jason GaudetteASSOCIATE |
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Theodore von Rosenvinge IV, PE, DGE
Senior Principal
As a founding Principal, Ted leads and promotes a culture of quality that is based on teamwork, client service, critical thinking, technical excellence, pragmatism and professionalism. Prior to earning his advanced degrees, Ted began his career as a union construction worker in Boston. Since then he has served in roles from Field Engineer to Principal-in-Charge of hundreds of projects involving foundation engineering for high-rise buildings, major bridges, rail facilities, marine projects, earthwork/underground construction and soil mechanics. His expertise also includes serving as a forensic/expert witness, providing field and lab testing, and implementing geotechnical instrumentation.
An American Society of Civil Engineers Fellow since 1998, Ted brings enthusiasm and passion to all aspects of the field. Whether brainstorming with clients, mentoring younger members of the firm, serving as a guest lecturer on a hot button topic, or receiving accolades for an award-winning project, Ted is inspired and motivated by the work and long-term relationships he has developed as the firm's lead underground intelligence officer.
Above ground: When the opportunity arises, Ted can be found sailing. He has crewed on and completed 10 Newport to Bermuda sail races (635 miles). A guitarist, guitar collector and songwriter, he also enjoys playing rock'n'roll nearly as much as engineering rock'n'soil.
AREAS OF SPECIALIZATION
- Geotechnical Engineering
- Constructibility Review
- Foundation Engineering
- Soil and Rock Mechanics
- Deep Foundations/Excavations
EDUCATION & REGISTRATION
University of Connecticut
Master of Business Administration
Massachusetts Institute of Technology
Master of Science, Civil Engineering (geotechnical specialization)
Northeastern University
Bachelor of Science, Civil Engineering
Registered Professional Engineer:
NY, NJ, CT, MA, ME, VT
PROFESSIONAL MEMBERSHIPS
- American Society of Civil Engineers, Fellow, since 1998
- Academy of Geo-Professionals – Diplomat Geotechnical Engineer, 2009
- American Council of Engineering Companies, NY Metropolitan Region, Structure Codes Committee, 2010 – present
- American Society of Civil Engineers, CT Chapter President, 1991/1992
- American Council of Engineering Companies, CT Chapter, President 1999/2000, Board Member 1996-2009, 2016 – present
- American Council of Engineering Companies, National Director and Alternate National Director, 2001-2009
- Department of Civil Engineering, UMass Amherst, Industry Advisory Board, 2005-2015
- Dispute Resolution Board Foundation
- Earthquake Engineering Research Institute
- International Conference of Soil Mechanics and Foundation Engineering
- Leadership in Energy and Environmental Design, Accredited Professional
Thomas Thomann, PhD, PE
Senior Principal, CEO
With a doctorate in geotechnical engineering and experience that spans hundreds of successful projects including many high-rise and major buildings, Thomas is intimately involved in the technical oversight and management of the firm’s work. His solutions are client-focused and blend pragmatism, value and constructibility, an approach that has yielded strong client relationships and many repeat clients.
Thomas’s wide range of expertise includes the design of driven and drilled pile systems, support of excavation (SOE), underpinning, earthquake engineering, rock engineering, ground improvement, slope stability and instrumentation. He is actively engaged with the geotechnical community through various organizations and has shared his expertise with his peers through white papers and presentations.
Above ground: Outside of the field and office, Thomas enjoys travel, camping, fishing, gardening and teaching CCD.
AREAS OF SPECIALIZATION
- Geotechnical Engineering
- Earthquake Engineering
- Support of Excavation
- Deep Foundations
- Rock Engineering
EDUCATION & REGISTRATION
University of Michigan
Ph.D., Geotechnical Engineering
Master of Science, Geotechnical Engineering
Manhattan College
Bachelor of Science, Geotechnical Engineering
Registered Professional Engineer
NY, NJ, MD
PROFESSIONAL MEMBERSHIPS
- American Society of Civil Engineers
- Deep Foundations Institute
- International Society of Soil Mechanics and Foundation Engineers
Ulrich La Fosse, PE
Co-founder Emeritus, Consultant
A recipient of the Distinguished Alumnus Award from the University of Connecticut Department of Civil & Environmental Engineering, Ulrich has published articles, taught university-level classes, delivered presentations and received several awards based on his role in innovative geotechnical design over the decades. His enthusiasm for his work has left a lasting imprint on the younger generation of engineers coming up through the firm.
(Far) Above ground: In addition to enjoying the arts, international travel, the natural world and the outdoors, Ulrich is an avid fan of music—from classical to jazz to indie-rock. He also holds his private pilot’s license, enjoys flying and building planes as well as restoring vintage wooden boats.
AREAS OF SPECIALIZATION
- Geotechnical Engineering
- Deep Foundations
- Hydrogeology Studies
- Ground Modification
- Dam Engineering
- Blasting Design and Evaluations
- Environmental Site Restoration
- Seismic Engineering
EDUCATION & REGISTRATION
University of Connecticut
Master of Science, Civil Engineering (geotechnical specialization)
Bachelor of Science, Civil Engineering (structural specialization)
Registered Professional Engineer
CT, MA, NY, VT
Sandra L. Trudeau, MBA
Chief Operations Officer
With a wealth of business management experience and acumen, Sandra is responsible for the overall direction of the firm's financial, human resources and IT operations. Passionate about her work, she enjoys the varied aspects of her role and serves as the go-to person for assisting employees with business-related questions and getting them pointed in the right direction. Sandra has been instrumental in implementing policies and processes that have created efficiencies, streamlined operations and set the stage for the company’s continued strategic growth and development.
As an MBA with a focus on Business Management, Sandra is also an adjunct professor at Post University where she teaches accounting and QuickBooks courses to undergraduate students. She also formerly served as a Board Member for the Post University Accounting Advisory Board. Her previous experience of having served on the management team of a hockey franchise prepared her well for the fast pace of engineering firm management.
Above Ground: When not focused on business management, Sandra enjoys being physically active and can be found hiking in the woods, playing golf and racking up countless miles on her Peloton bike. Other lifelong passions include floral design, cooking and getting lost in good books.
EDUCATION & REGISTRATION
University of New Haven
Master of Business Administration, Business Management
Western Connecticut State University
Bachelor of Business Administration, Accounting
PROFESSIONAL MEMBERSHIPS
Society for Human Resource Managers
Jonathan Ciampi, PE
Principal, CFO
Proudly described by his peers as a “Contractors' Engineer,” Jonathan’s building experience and engineering skills have given him the rare ability to effectively understand both how to design and construct for real world applications. Innovative, cost-effective and constructible best describe his solutions. Jonathan’s wide range of geotechnical and geostructural engineering experience include the design and construction oversight of building foundations, support of excavation and underpinning systems, and rock and soil slope stabilization projects in the NYC metropolitan area and the Pacific Northwest.
Jonathan is currently leading our GEOMechanics office, located just outside of Portland.
Above ground: When not assisting with running the well-oiled GEO machine, Jonathan enjoys spending time with family, working on home improvement projects and gardening.
AREAS OF SPECIALIZATION
- Geotechnical Engineering
- Support of Excavation
- Underpinning
- Deep Foundations
- Rock Engineering
EDUCATION & REGISTRATION
Manhattan College
Master of Science, Civil Engineering (Geotechnical Engineering Concentration)
Bachelor of Science, Civil Engineering
Registered Professional Engineer
NY, NJ, PA, OR, WA, ID, MT, NV, WY, CO
PROFESSIONAL MEMBERSHIPS
- American Society of Civil Engineers
- Deep Foundations Institute
PAUL WOODELL, JR, LEP
Associate
As a kid growing up Paul had a love for the natural sciences and cave exploration. When he realized that the knowledge of hydrogeology could help him find new caves, he was hooked on a career path. Now with over 19 years of experience as an environmental consultant and hydrogeologist, his expertise includes environmental site assessment, subsurface investigation and remedial design for numerous clients including private owners, real-estate developers, contractors, manufacturers, insurance providers and municipalities.
As many projects throughout New York State, metropolitan New York and Connecticut have been subject to various regulatory programs—including the NYC Volunteer Cleanup and E-Designation Programs, New York State Spills, Hazardous Waste, Brownfields and Connecticut Transfer Act, and Significant Environmental Hazard Programs—Paul has become an expert at navigating the local, state and federal regulatory pathways, a different kind of cave exploration in and of itself. Serving as a liaison between clients and regulatory agencies offers great benefit to our clients, helping them to achieve their goals and protect their best interests.
Above ground: When not spelunking, Paul enjoys time with his boys, amateur astronomy, vintage motorcycles, machining technology and restoring wooden boats.
AREAS OF SPECIALIZATION
- Underground storage tank removals/remediation
- Petroleum bulk storage/releases
- Solid waste and soils management
- Chlorinated solvents/dry cleaners
- Commercial/residential property transaction due diligence
- Karst hydrogeology
EDUCATION & REGISTRATION
State University of New York
Master of Arts, Earth Science
Union College
Bachelor of Science, Physics
Connecticut Licensed Environmental Professional (#617)
OSHA 40-Hour Health and Safety Training for Hazardous Waste Operations and Emergency Response
PROFESSIONAL MEMBERSHIPS
- Environmental Professionals of Connecticut
- Connecticut Environmental Forum
- New York State Council of Professional Geologists
- National Speleological Society
- Northeast Cave Conservancy, former Trustee
- John J. McCarthy Observatory
JACOB WIMETT, P.E.
Principal, CGO
After meeting a GEODesign principal at an informal backyard barbeque in the fall of 2004 and becoming intrigued by the possibility of a diverse career that extended beyond the computer screen, Jake joined GEODesign at the start of 2005 as a field and lab engineer. Since then, Jake has worked his way up to a project management and technical leadership role responsible for numerous projects across the northeast with a focus on Vermont and northern New England. As one of the co-leaders of GEODesign’s Vermont offices, Jake prides himself in forming close relationships with clients and colleagues, and believes that open and honest communication is the cornerstone of a successful project.
Jake’s technical experience includes the design of shallow and deep foundations with a particular focus on sites with soft, compressible clay soils, ground improvement, slope stability and stabilization, dam rehabilitation and maintenance oversight, laboratory testing, and geotechnical instrumentation.
Above ground: In the winter Jake’s free-time is primarily spent at the mountain snowboarding with his wife and two children. When the snow is gone his interests are typically focused on hunting, fishing, assisting with local baseball programs and obsessing over the Red Sox.
AREAS OF SPECIALIZATION
- Geotechnical Engineering
- Slope Stability
- Compressible Soils
- Geotechnical Instrumentation
- Laboratory Testing
EDUCATION & REGISTRATION
Clarkson University
Bachelor of Science, Mechanical Engineering
Registered Professional Engineer
CT, VT, NH, ME, MA, RI
PROFESSIONAL MEMBERSHIPS
- American Society of Civil Engineers
- Association of State Dam Safety Officials
- Deep Foundations Institute
Eric Blumberg
Associate
Growing up on the coast of South Florida, Eric developed an affinity for the waterfront, which has translated into a passion for geotechnical and geostructural design of waterfront structures. In addition to his focus on waterfront and marine structures, he has a wide range of technical experience in geotechnical investigations, shallow and deep foundations, earth retaining structures, ground improvement, slope stability, underpinning, and complex support of excavation (SOE) systems.
Eric is also the lead of GEODesign’s New York City office.
Above ground: Eric spends much of his free time practicing the guitar, fishing, or just getting out on the boat when the weather is nice. He also serves on the board of directors of a student-run college radio station, which he spent 5 years working for during his undergraduate and graduate studies.
AREAS OF SPECIALIZATION
- Geotechnical Engineering
- Geostructural Engineering
- Waterfront Engineering
Cornell University
- Master of Engineering, Civil Engineering
- Bachelor of Science, Civil Engineering
Registered Professional Engineer
NY, NJ
Professional Memberships
- ASCE Met-Section Member
- Deep Foundations Institute
- ACEC New York
Ansuman Raval
Associate
“I firmly believe in work to your strength, build on it and be a team player.”
Ansu’s technical experience includes managing subsurface investigation program for geotechnical projects in New York and New Jersey, shallow and deep foundation design – drilled and driven piles, pavement design and geotechnical instrumentation.
Ansu manages the special inspection certification process for the NYCDOB and works as a committee member in developing and maintaining a standardized companywide field inspection manual while taking into consideration regional practices.
Above Ground: At leisure, Ansu enjoys travelling with family, listening to music, spending time outdoors - hiking trails and visiting Jersey shore, playing cricket and gardening.
“Success is not measured by the position you hold, but by the impact you have on others” Ratan N. Tata
AREAS OF SPECIALIZATION
- Geotechnical & Foundation Engineering
- Pavement Design
- Geotechnical Instrumentation
EDUCATION & REGISTRATION
- Rutgers State University of New Jersey - Masters in Civil and Environmental Engineering
- L. D. College of Engineering, Ahmedabad, India - Bachelors in Civil Engineering
Registered Professional Engineer
NY, NJ, SC
Professional Memberships
- American Society of Civil Engineers
- Geo Institute
- Deep Foundation Institute
Jason Gaudette, P.G.
Associate
Jason joined GEODesign in 1999 while visiting a relative near the Middlebury, Connecticut office. He progressed from performing mostly field exploration work, laboratory tests, and analyses as a subordinate to managing projects in responsible charge of work under the guidance of both Professional Engineers and Professional Geologists. He became the Vermont Operational Manager, a company shareholder, and Board of Directors member prior to completing a hiatus/sabbatical between 2019 and 2022 that included working for GEODesign as an independent consultant. Jason returned as a full-time Associate in 2023 with a primary focus on managing GEODesign’s engineering and geologic projects.
Jason graduated in 1999 from the University of Toronto, Ontario (Canada) with a Bachelor of Applied Science degree in Geological and Mineral Engineering. He was intrigued by the unique program that combined engineering with earth sciences, mineral exploration and mine design, and geotechnical engineering which was his concentration upon graduation. Given this unique background, Jason pursued professional registration in geology as a primary passion and became a registered PG in New Hampshire in 2010 and Leadership in Energy and Environmental Design (LEED) Accredited. Jason later obtained RG registration in Oregon in 2024 to assist GEODesign’s geological projects based in the Portland office.
Above ground: Jason lives in a small town in rural Vermont with his wife (high school sweetheart), two children, and a few pets. True to his Canadian heritage, most weeks are filled with travelling across New England to various hockey rinks to support and watch his son. Jason enjoys the changing seasons and spending time outdoors, cycling, traveling, and building a backyard rink in the winter.
AREAS OF SPECIALIZATION
- Geological Engineering
- Soil / Rock Slope Stability
- Field Exploration & Bedrock Mapping
- Laboratory Testing
- Project Management
EDUCATION & REGISTRATION
University of Toronto
Bachelor of Applied Science, Geological Engineering
Registered Professional Geologist
PROFESSIONAL MEMBERSHIPS
- American Society of Civil Engineers
- Association of State Dam Safety Officials
- Association of Environmental & Engineering Geologists
