April 9, 2025, Dillsburg, PA — NTM Engineering, Inc. (NTM) is proud to announce new leadership shifts in our Wayne office and environmental division. With the retirement of Katherine Farrow, we are proud to announce Namita Sinha, MS, EIT as the Environmental Division Manager. With 22 years of experience, Namita brings a wealth of project management and environmental experience to the team. Ms. Sinha has been the Environmental Director for the past year to prepare and help preserve the cohesiveness of the team. She will be splitting her time between the Dillsburg and Wayne offices.
NTM would also like to announce that Francisco J. Aguirre, MS, PE, Senior Project Manager, will be the new Office Manager in our Wayne location. With over 16 years of experience, Mr. Aguirre specializes in hydrology and hydraulic (H&H) design and waterway permitting for bridge and culvert projects. He has been involved with NTM’s 2D hydraulic modeling for several PennDOT projects, including the Central Susquehanna Valley Transportation (CSVT) project. He was also an integral part of the I-95 Bridge Street Ramps Interchange, the Schuylkill River Park and Trail, and the Post-Ida Study projects within Philadelphia, PA. Along with leading many projects across the Commonwealth, he is also a certified PennDOT Instructor and has provided training for various hydrologic and hydraulics courses.
“With Namita and Francisco’s help, we will be able to maintain a seamless transition of leadership within the Environmental Division and Wayne office. As NTM continues to grow, we strive to prioritize our employee focused culture and be consistent in our quality standards. Each change brings a different challenge, but we are proud to have our talented personnel to bring us into a new era,” stated Donna Newell, MS, PE, CFM, President.
Established in 2006 and headquartered in Dillsburg, Pennsylvania, Newell, Tereska & MacKay Engineering, Inc. (NTM) employs nearly 100 professionals and is a registered Disadvantaged Business Enterprise in Pennsylvania, Maryland, and Delaware and a Women-Owned Small Business with the federal government. NTM has locations in State College, Wayne, and Philadelphia. The firm’s four principals—Donna Newell, MS, CFM, PE; John Newell, MEng, PE, CBSI; Rachel Tereska, MS, PE; and Jeffrey MacKay, MS, PE, CPESC—are all licensed professional engineers with master’s degrees in civil engineering and offer a combined 90+ years of engineering experience.
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