Leigh + O'Kane

Name: Leigh + O'Kane
Address: 209 SE Douglas, Lees Summit, MO, 64063, US
Telephone: +18164443144

We are a structural engineering firm dedicated to providing client-focused services in both public and private sectors.

Structural engineering firms shape the way our world works, which is why innovation is at the heart of all we do.

06/04/2026

“Wait… what even is structural engineering?”

Glad you asked!

It’s the work behind the buildings, spaces, and structures people rely on every day. From planning and problem solving to seeing projects come to life, it's a lot more than just numbers on paper.

06/03/2026

The Border War has officially made its way to our office this summer!

We are so excited to welcome our two summer interns, Daniela Barbosa Surmay from Mizzou and Elliana Wandick from KU, to the Leigh + O’Kane team. From learning the industry to gaining hands-on experience, we are looking forward to having them with us this summer and seeing the perspectives they bring to the team.

05/28/2026

Project Spotlight | Kansas Speedway

We provided structural engineering services for Kansas Speedway, supporting a facility built to handle high-capacity events and nonstop performance demands.
Projects like this require more than strong design. They demand durability, safety, and solutions that work seamlessly within an active, large-scale venue environment.
We’re proud to contribute to spaces that bring people together and keep major events moving forward.

05/26/2026

Before a project moves forward, clarity matters.

Our feasibility studies help identify what’s possible early in the process so owners, architects, and teams can move forward with confidence. From structural evaluations to cost and code considerations, we help create a clear path from the start.

05/21/2026

Meet the Team | Reagan Weeks

As a Structural Engineer, Reagan plays an important role in helping projects move from design to reality. She works closely with project teams to support structural integrity, solve challenges in the field, and keep projects moving efficiently from start to finish.

Her thoughtful approach, technical knowledge, and attention to detail make her a valuable part of the team and a trusted resource on every project she’s involved in.

05/19/2026

Operation Breakthrough continues to take shape, and we’re proud to be part of the team helping bring it to life.

Projects like this require strong collaboration from start to finish, and we're grateful to have worked alongside partners like Clockwork and Kansas City Structural Steel throughout the process.

We're proud to have gotten to play a role in a project that will have a lasting impact on the Kansas City community.

05/14/2026

Throwing it back this to a special project.

The Bartle Hall expansion was more than just a job. It was a milestone for Leigh + O’Kane and a reflection of the people, partnerships, and hard work behind every project we take on.

Featured here are Ron O’Kane and Cheri Leigh during the project, representing the legacy that continues to guide our team today.

05/12/2026

Project Spotlight | Arrowhead Stadium

We provided inspection and testing services at Arrowhead Stadium, supporting the ongoing evaluation of one of the region’s most iconic sports venues.

The scope of work included concrete testing, rebar inspections, post-tension inspections, and steel welding inspections, requiring a high level of technical accuracy and coordination within an active stadium environment.

We’re proud to have worked alongside Populous to help keep the project moving with quality and precision at every stage.

This project highlights our expertise in specialized inspection services for large-scale athletic facilities.

05/05/2026

It’s the details that define how a project performs.

Our team brings a thoughtful, solution-focused approach to every phase, helping ensure each element is aligned, efficient, and built to last.

04/30/2026

Meet the Team | Shawn O’Kane

Shawn leads our Inspection Services team, bringing a hands-on approach and a strong commitment to quality across every project. In his role as Director of Inspection Services, he oversees processes in the field, ensuring work is executed correctly and meets the standards our clients rely on.

His experience, attention to detail, and leadership help keep projects moving forward with confidence from start to finish!

Address

209 SE Douglas
Lees Summit, MO
64063

Telephone

+18164443144

Website

https://leok.com/

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