Steven Smolinsky, P.E., Managing Partner

Tinchi Lee, P.E. - Associate Partner


Steve and Tinchi have worked together at OJR for over two decades. They have a combined 71 years of experience in structural design and construction management, focusing on all types of new buildings and alterations of existing buildings. Their personal involvement in all projects, from inception through completion, serves as a reinforcement to their many clients who have been loyal to OJR for over 40 years.


The success of OJR lies in its teamwork and dedication to every project. The leadership team sets the stage for the rest of the office with their extensive experience and ability to work with others. The extraordinary and diverse teams of OJR are comprised of some of the most talented engineers in the industry. 

Since its founding in 1927, The Office of James Ruderman LLP has added character and class to the New York City skyline and beyond. Almost 100 years ago James Ruderman had a vision to create a structural engineering firm with a unique blend of technical knowledge and experience, coupled with an unwavering devotion to our clients. The magnificence of our history is represented by the numerous structures for which we are the Engineer of Record.


Today, we are a dynamic and trusted professional structural engineering firm which offers the highest level of excellence to clients with diverse needs. OJR has established itself as a cornerstone for excellence in engineering. We have garnered a reputation of ensuring quality, rigorous attention, timeliness and cost-effectiveness. Our firm remains on the cutting edge of technology, innovative solutions, and traditional personal relationships. 


Our goal is simple: provide the highest level of excellence and experience, the OJR standard, to each client and every project. This is our pledge. To achieve our goal, our dedicated team works exclusively with each project to provide flawless results, unwavering attention, sheer timeliness and cost efficiency. At OJR, we believe that extraordinary designs and structures are achieved by working closely with each client, addressing all of their needs and desires; it is a team effort, a wonderful collaboration. OJR offers an extensive range of services - with expansive versatility and innovative knowledge, our team can complete an endless variety of projects. Our mission is to ensure that each client goes through a rewarding experience with successful results, as only The Office of James Ruderman LLP could deliver. This is what we do best. We are here to serve you, our client.