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STS is national in scope and centrally anchored in downtown, Chicago, IL. Drop us a line, or submit an email inquiry. We're excited to connect with you.

  • 135 South LaSalle, Suite 3300 | Chicago, IL 60603 View Larger Map
  • (312) 253-3644   Fax: (312) 253-3652



STS works closely with nuclear leaders to transform their organizations—making solid stations better and turning around poor performers. We have an expert, highly trained team of nuclear industry professionals who excel in evaluating people and providing incisive and useful feedback. STS uses proven techniques to understand how teams are working and assess organizational strengths and weaknesses. We design and implement interventions that get results.


STS was a significant part of Fermi’s improvement process. STS brought their expertise in leadership and organizational effectiveness—particularly in the nuclear business—to bear on our site’s leadership challenges. Together we evaluated the capability of the leadership team and began to go to work on improving team leadership of the site turnaround effort. We then used STS’s leadership assessment and alignment process, which became pivotal to aligning management on the behaviors necessary to improve performance. With STS’s help we transformed an Institute of Nuclear Power Operations area for improvement in teamwork and alignment into a strength in one evaluation cycle. We are so confident in the advice we receive from STS, we continue to use them today to assess potential new managers.

Jack Davis
Senior VP and Chief Nuclear Officer
DTE Fermi

"What I appreciate about STS is their ability to provide behavioral science insights in an approachable fashion. STS is excellent at evaluating people’s fit with the business and giving the most incisive and useful feedback. In the nuclear arena, they are the best at assessing leadership and organizational effectiveness and figuring out what people need."

Christopher Crane
President and Chief
Operating Officer - Exelon;
President, Exelon Generation

"STS assesses people and organizations with great acuity and consistently delivers a high quality product. Their nuclear expertise is significant—they know the challenges, the industry and the people. STS has been instrumental in helping us focus on getting the right leadership behavior to get the right results."

Preston Swafford
Chief Nuclear Officer, President and CEO, Candu Energy for SNC-Lavalin
Nuclear Power Group at
Tennessee Valley Authority

"It is without hesitation that I highly recommended STS to support your leadership development efforts. Their work has allowed us to confidently and quickly make critical decisions about talent development and selection. The assessments are right on the mark, easy to understand, and provide specific and targeted areas of leadership to focus on to help build talent effectiveness in the organization."

Christine Carmody
Senior Vice-President, Human Resources
Northeast Utilities