

Join the team!
Established in 2009 in Dillsburg, Pennsylvania,
Lexis also has a location in Pittsburgh, PA.


Alexis has more than 25 years of experience in a variety of engineering disciplines from her tenure as a design engineer with multiple civil firms in south-central PA. Licensed as a Professional Engineer (PA and DE), her technical expertise and entrepreneurial spirit brings accuracy, cost savings, and exceptional client service to Lexis projects.
Alexis is a 10 yr. breast cancer SURVIVOR. In her spare time, she strives to help others in their battle with the disease by involving herself in the American Cancer Society, Susan G. Komen Foundation, and Leukemia and Lymphoma Society. In addition, Alexis volunteers with the Carroll Township Planning Committee.
Alexis Isenberg, PE
Principal & Chief Executive Officer



Bryan Teschke, PG, PGp
Principal & Chief Operating Officer
Bryan's background in geophysics is key to the successful application of SUE to transportation, land development, and environmental projects. Licensed as a Professional Geologist (PA) and Professional Geophysicist (CA) he is the expert team member for full-depth reconstruction, signalization, drainage, underground storage tank, and other design work.
When he is not out in the field or mapping utilities, Bryan is volunteering his time with Boy Scouts of America and Adopt-A-Highway.


Ann M. Leiner
Principal & Chief Marketing Officer
Connect with Ann:
Ann has nearly 30 years of experience in the Design and Construction industry. Ann is an invaluable asset in the areas of community visioning, project planning, and advocacy as well as facility planning, and design. She is widely recognized as a creative problem-solver and a well-respected leader in the construction industry. Ann runs point on The Lexis Group teaming efforts and strategic relationships.
In her free time, Ann stays connected with multiple organizations in the area: Society for Marketing Professional Services, Society for College & University Planning, Capital Region Economic Development Corporation, National Civil War Museum, Skills of Central Pennsylvania, Penn State Alumni Association, The Pennsylvania Society, and The Hill Society.