Our Philosophy

The idea is simple: we partner with our clients, listen to their needs and use our technical expertise to go above and beyond to accomplish their development goals. With an emphasis on quality and efficiency, we deliver results, while ensuring a fun and collaborative process for our clients and team.


Our business relationships are built on trust. To our clients, we are more than civil engineers. We are trusted partners. We are consultants. We are friends.


Our reputation is built on quality. Bohler is committed to producing nothing but the highest quality product and service. This commitment allows us to strategically service our clients’ development objectives.

Core Values

Guiding the Firm’s success are our Core Values: Quality, Customer Service, Efficiency, and Staff Development. These principles are at the foundation of everything we do.


Defining the culture at Bohler is simple: we work hard and we play hard. We take pride in assembling our teams and for that reason, we are able to attract and retain the industry’s best. We offer a generous benefits package and a fun, challenging workplace.

Executive Leadership

Adam Volanth, PE
President & CEO

Jane Leopold-Leventhal, Esq.
General Counsel

Lewis Sidorsky
Chief Financial Officer

Brian Zappala, PE
Chief Operating Officer
Managing Partner – Southeast Region

William D. Goebel, PE
Managing Partner – New England & NY Region

Robert Irons, PE
Managing Partner – PA & NJ Region

Daniel Duke, PE
Managing Partner – Mid-Atlantic Region