top of page


Kellie Profile.jpg

Kellie Carpenter Rotunno, PE*, BCEE

Kellie Carpenter Rotunno founded R2O Consulting LLC in 2017, after serving nearly a decade as the Director of Engineering and Construction and Chief Operating Officer for the Northeast Ohio Regional Sewer District (District).  During this time, Kellie led the ramp-up and implementation of the District's Capital Improvement Program, including the Combined Sewer Overflow Program. Under her leadership, the District was able to:

  • Increase annual CIP execution from $40 million to more than $250 million annually.

  • Deliver nearly $2 billion in capital projects without unresolved construction claims and no litigation. 

  • Identify more than $600 million in Value Engineered cost savings off the original $3 billion CSO Program costs.

  • Complete high-risk underground construction projects at 12-percent average under awarded contract value.

  • Deliver construction projects with change order percentages below 3% average.


Prior to her tenure at the District, Kellie worked more than 20 years for several large, national A/E firms. The breadth of her engineering experience includes:

  • Drinking Water 

  • Airports

  • Stormwater Management

  • Environmental permitting

  • Hazardous Waste Management

  • Phase 1/Phase 2 Site Assessments

  • Remedial Investigations


*Ms. Rotunno is a licensed Civil Engineer in Michigan, Ohio, and New York, as well as a Board Certified Environmental Engineer as recognized by the American Academy of Environmental Engineers.

Read more about Our Founder in the following articles:

bottom of page