RETTEW, a design firm providing engineering, transportation, environmental consulting, planning, surveying and safety consulting services, recently welcomed new hires Peter R. Chronowski, PG; and Justin E. Theodorakos.

 Peter R. Chronowski

Chronowski is a project geologist in RETTEW’s geosciences division at the company’s Lehigh Valley office. He is responsible for overall management and leadership of geosciences team members in the Lehigh Valley and Williamsport offices, ensuring quality design and implementation of remedial site investigations for public- and private-sector clients. Chronowski brings 23 years of experience in environmental consulting, and is well-versed in federal and various state regulations and permitting procedures. He has used his expertise to create and execute training programs for project managers and field staff. Chronowski has a bachelor’s degree in geological sciences from The Pennsylvania State University, and is a member of the American Society of Highway Engineers and the Pennsylvania Council of Professional Geologists. He resides in East Vincent Township, Chester County, Pa. 

Justin E. Theodorakos

Theodorakos is an environmental specialist in the natural sciences division of RETTEW’s Denver, Colo. office. His duties include providing environmental clearance surveys in support of proposed oil and gas projects. Theodorakos has six years of experience in environmental sciences, specifically working with oil and gas companies in Colorado. His extensive field work has included threatened and endangered species investigations, wetland delineations, data collection and habitat evaluations. A graduate of the University of Vermont, Theodorakos has a bachelor’s degree in resource ecology, and resides in Denver.

RETTEW, ranked 166 in 2012 on Engineering News-Record’s annual list of top 500 design firms, began in 1969 as a single-person office. Today RETTEW has more than 400 employees and 11 total offices in Athens, Lancaster, Lehigh Valley, Mechanicsburg, Pittsburgh, Schuylkill Haven and Williamsport, Pa; Canton, Ohio; Delhi and Liberty, N.Y.; and Denver, Colo. For more information on any of RETTEW’s services, please call 1-800-RETTEW-5 (1-800-738-8395) or visit

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