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ES&S - Sedalia Announces New Leader

Engineering Surveys & Services is excited to announce another key hire, Ms. Diane Heckemeyer, PE.  Diane joins ES&S as manager of the Sedalia Office, after a distinguished career path that includes an 18-year tenure with the Missouri Department of Transportation (MoDOT), where she rose to the position of State Design Engineer.  She departed MoDOT to take the reins of the Civil Engineering Technology program at the State Technical College of Missouri (STC-MO), in Linn.  Immediately prior to joining ES&S, Diane worked for mid-Missouri based heavy contractor, Emery Sapp & Sons.

Diane received a bachelor of science in civil engineering from the Missouri University of Science & Technology and is a registered professional engineer in the state of Missouri.  While with MoDOT, one of Diane’s primary duties was to deliver the projects on the Statewide Transportation Improvement Program, which often exceeded $1 billion of construction annually.  Her understanding of project delivery and managing design production will be a valuable asset to ES&S and our clients.  She also ran an effective, practical education program at STC-MO that prepared several of the engineering and materials lab technicians that have joined our firm in recent years.

Diane lives in St. Elizabeth with her husband, Roger, and together they raised two daughters, Kelly and Sarah.  Actually, Diane isn’t the first Heckemeyer to work for ES&S…Kelly, a graduate civil engineer from S&T, was a summer intern at ES&S while attending school.

Diane fills a role recently occupied by Abby McMullin, PE, who joined ES&S after earning her civil engineering degree from the University of Missouri in 2009.  Abby chose to step aside from her role in the firm in February to dedicate more time to her family and farming business.  We certainly miss her and wish her well in her endeavors.

Join us in welcoming Diane to the ES&S team!

​If you’re a developer, owner, municipality, or a design firm looking to partner on a project in Sedalia or west-central Missouri, contact Diane and Engineering Surveys & Services - Sedalia at 660-826-8618 or by email

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