The JTC Team


John Turner

Founder and President

John Turner, the President of John Turner Consulting, is a graduate Civil Engineer (Chi Epsilon) from Rensselaer Polytechnic Institute and has over 31 years’ experience in the consulting engineering industry. He serves as Principal-in-Charge and continues to project manage key contracts and projects. John remains active in the daily operations of JTC and encourages clients to reach out to him directly. John’s vision has steered JTC from a one-man operation in New Hampshire, to a $10.5M+ firm with technical professionals located throughout New England and South Carolina. Proudly serving public and private clients in New Hampshire, Vermont, Maine, Massachusetts, Connecticut, Rhode Island, New York, and South Carolina.


Benjamin Grigas, P.G., C.G.

Senior Vice President of Professional Services

Benjamin has been working in the environmental industry for more than 21 years as a Professional Geologist, Project Manager, Contract and Client Account Manager. He has been responsible for the management and execution of a wide range of projects including environmental assessment, remediation, industrial hygiene and environmental compliance. He has managed clients and contracts for federal, public, and private clients, both locally and nationwide.


Asher Anderson, CCM

Senior Vice President of Operations

Asher leads JTC’s groups with Construction Phase Services and the developing Civil Support Services group. These groups work throughout New England and South Carolina operating out of offices in Vermont, Massachusetts, New Hampshire, and South Carolina. Asher also oversees our subsidiary, Fessenden Geotechnical LLC, with two locations in Bangor and Lisbon, Maine. The Construction Phase Services groups include construction engineering and inspection, materials testing and inspections, special inspections, and pavement management. Asher spearheaded the creation of the Civil Support Services group which supports civil firms with design phase services including advanced drafting, 3D modeling, GIS database integration, field data collection, and constructability reviews.


Stephen C. Lanne, P.E.

Vice President of Engineering Services

Steve brings over 26 years of experience and a proven track record of providing clients practical solutions to complex geotechnical issues. He specializes in providing geotechnical design services for retaining walls, excavation support, deep foundations, underpinning, slope stabilization, and dewatering.


Marie Shelley

Business Development Director

Marie is JTC’s Business Development Director, bringing with her 11 years of construction industry related sales experience. She oversees JTC’s sales strategies, identifying opportunities throughout New England to support advancement in all our disciplines. As a prospective client’s first point-of-contact, Marie works to identify solutions and recommend services for their specific needs and goals. Her primary focus is in developing relationships with new and existing clients for long-term client satisfaction and overall company growth.


Nicholas Lisowski

Director of Pavement Management

Nicholas has 12 years of experience in project management, construction quality assurance management, and quality control management, as well as materials testing and inspections. He has expansive experience in design-build, airport rehabilitation, highway construction, and facility projects for various agencies/owners.


Ellen Ianello

Director of Construction Services and Special Inspections

Ellen supports our clients’ construction projects through construction management, special inspections and testing, along with quality control and quality assurance. She has a diverse background managing work on projects ranging from large-scale utility upgrades and public works projects, to commercial and residential development. Working with local municipalities, design teams, developers and construction teams gives Ellen a unique skill set to successfully coordinate a variety of construction scopes and testing.


Robert C. Henson II

Senior Consultant

Bob is a Senior Resident Engineer with over 30 years of relevant field experience. He performs QA/QC oversight, Owner’s Representative services, environmental site assessments, project management and construction monitoring. Bob has many years of experience serving as a resident engineer overseeing utility, road reconstruction, and paving projects.


If you’d like to know more about us or wanted to get in touch, feel free to contact us.