Employment history in professional-engineering practice...

John S. Horvath, Ph.D., P.E. Consulting Engineer; Scarsdale, New York: 2001-present
Heller and Johnsen; Stratford, Connecticut: 2001-present
Technology Associates; Stamford, Connecticut: 2009-present

Horvath Engineering, P.C.; Scarsdale, New York: 1987-2001
Woodward-Clyde Consultants; New York, New York: 1980-1987
Dames and Moore; New York, New York: 1974-1980
The Port Authority of New York and New Jersey; New York, New York: 1972-1974

In addition, Dr. Horvath has worked continuously in both college/university and continuing education since 1980. Details can be
found on the
Continuing Education section of this website (access using the navigation bar located at the top and bottom of
this page).


Summary of experience in professional-engineering practice...

Dr. Horvath has more than 37 years of broad, extensive, practical experience in geotechnical engineering from his active
participation in hundreds of projects involving geotechnical investigations for all types of on-land structures as well as
shallow-water marine facilities such as piers and bulkheads. Over the years his experience and direct responsibilities have covered
all project phases from field inspection and office engineering to client contact and project management. Representative
commercial projects include high-rise buildings and hospitals, primarily in the northeastern United States. Dr. Horvath has
particular experience in the analysis of mat foundations and use of controlled blasting for rock excavation in urban environments.
Industrial projects include a wide variety of chemical production, metals production, petroleum handling and refining, and
solid-waste-to-energy facilities in the United States, Caribbean, and Venezuela. Dr. Horvath has particular experience with the
behavior of large-diameter tanks on grade, including geothermal analyses of ground freezing and thawing, as well with
shallow-water marine facilities.

At the present time, Dr. Horvath provides a wide spectrum of professional engineering consulting services in the specialty area of
geotechnical engineering. Typical design-related assignments include projects requiring high-level analytical assistance with
state-of-art or complex problems. In particular, in recent years Dr. Horvath has served as a consultant on numerous projects
where expanded polystyrene (EPS) geofoam was used for lightweight fill and other functional applications. Particularly notable in
this regard was his long-term, multi-year involvement in the world-famous 'Big Dig' project in Boston, Massachusetts. This
project led to several cost- and time-saving innovations and technological breakthroughs in EPS-geofoam geotechnology, all of
which were shared with the public through several scholarly publications. Dr. Horvath has also had considerable experience with
grass-roots technology transfer to develop EPS-geofoam geotechnology in new and emerging markets, both domestic and
international.

Dr. Horvath also provides independent, experienced review and evaluation of geotechnical design or construction problems that
require either value engineering (VE) or forensic study. This includes services requiring either applied research
, or expert opinion
and in-court testimony in legal proceedings. Depending on project scope and client and contractual needs, Dr. Horvath's services
are available either directly through his sole proprietorship, John S. Horvath, Ph.D., P.E. Consulting Engineer, or through his

associations with Heller and Johnsen, a full-service geotechnical engineering consulting firm, and Technology Associates, a firm
specializing in forensic investigations using state-of-art technology, both of which are located in Fairfield County, Connecticut.
John S. Horvath, Ph.D., P.E. Consulting Engineer - Copyright 2008-2009 by John S. Horvath. All rights reserved. - This page was last revised on 13 August 2009.