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Meet Our Team

Meet the KLM Team

To provide a combination of client satisfaction with industry expertise, KLM has assembled a team specific to the needs of our clients. KLM’s team has an extensive knowledge base specializing in water storage systems, whether it be inspection, recondition, coatings, designing a new tank, or telecommunications. To ensure each project is held to the highest of standards, our team consists of engineers and certified inspectors by the National Association of Corrosion Engineers (NACE) and American Welding Society (AWS).
Shawn A. Mulhern
President/CEO
Mr. Mulhern has been inspecting, testing, and evaluating water towers for over 36 years. He has been involved in the inspection of over 300 elevated water towers, ground storage reservoirs, and industrial tanks of sizes ranging from 50,000 gallons to 120 million gallons. Shawn is a NACE Level III Certified Coatings Inspector. He is also an avid volunteer and educational presenter nation-wide.

Email:

smulhern@klmengineering.com

Rodney J. Ellis
Vice President/COO

Mr. Ellis has extensive experience working with a wide range of municipalities, military, and industrial facilities. He has worked on hundreds of water storage reservoirs, lead abatement projects, industrial tank reconditioning projects, water treatment plants, and bridges over the past 29 years. Rodney is a NACE Level III Certified Coatings Inspector and an AWS Certified Welding Inspector. Rodney offers significant benefits to clients because of his work with all types of contractors on many types of complex projects.

Email:

rellis@klmengineering.com

Ben Feldman, P.E.
Civil Engineer

Mr. Feldman has been with KLM since 2019. His career began at a civil/landscape architecture firm that specializes in site design for schools, jails, city and county maintenance facilities, and other municipal facilities. He later worked for one of the largest water utilities in Minnesota with experience ranging from project engineer for treatment plant operations to assistant distribution manager. He has been an active member of the Minnesota Section AWWA for many years having served as Secretary-Treasurer and, presently, Co-Chair of the Awards Committee. Ben provides KLM’s clients with creative, cost-effective solutions, exceptional service, and a level of quality as if it were his own project.

Email:

bfeldman@klmengineering.com

Joseph Clasemann, E.I.T.
Engineer In-Training
Mr. Clasemann is a certified Engineer In-Training (E.I.T.) pursuing his Professional Engineer certification. He holds a Bachelor of Civil Engineering from the University of Minnesota – Twin Cities and has experience utilizing programs such as AutoCAD, SAP2000, and Mathcad in reinforced concrete and steel projects. Since starting at KLM, he has shown an eye for detail and holds a great future in the water storage industry.

Email:

jclasemann@klmengineering.com

Scott Kriese
Project Field Supervisor
Mr. Kriese is a NACE Level III Certified Coatings Inspector with fourteen years of experience on projects including surface preparation, coating application, and inspection services during reconditioning, new tank construction, and structural repairs on water storage tanks and towers. Scott is currently a Project Field Supervisor overseeing NACE inspectors who are performing daily inspections of new and reconditioned water storage tanks. Scott has provided resident inspection services or oversite on hundreds of potable water and fire protection tanks during his tenure at KLM.

Email:

skriese@klmengineering.com

Tadd Oachs
Telecom Manager
Mr. Oachs has worked in the telecommunications industry for over nine years. His knowledge and skill in the field, along with his experience with some of the newest technologies, are an asset to KLM projects. Tadd’s extraordinary focus and strategic way of thinking, with his uncanny ability to facilitate clear communication between different teams and departments, is invaluable to completing projects on time and within budget.

Email:

toachs@klmengineering.com

Matthew Wesley
Accounting Administrator
Mr. Wesley has been in the customer service industry for over eight years and holds a Bachelor of Science degree in Business Administration from Minnesota State University – Moorhead. His responsibilities include generating invoices, maintaining bookkeeping and customer files, and managing any information related to accounts receivable. Matt has been with KLM since November 2021.

Email:

mwesley@klmengineering.com

Olivia Harrington
Payroll Administration
Ms. Harrington has been with KLM for over three years. She started as an administrative assistant and has since been promoted to HR director. Olivia has a background in human resources, administration and business. She works directly with our finance manager, Laurie, to process payments and manage payroll. She is an expert in our file system and database, and is a vital part of the team.

Email:

oharrington@klmengineering.com

Dewey Prinzing
Vice President of Business Development
Mr. Prinzing has been in the construction, inspection, testing, and evaluation industry for more than 20 years. He has been involved in the inspection of elevated water towers, ground storage reservoirs, and industrial tanks of sizes ranging from 50,000 gallons to three million. Dewey transitioned his knowledge as a NACE Inspector to his current role in sales. In sales, Dewey successfully assists clients with their various needs whether it be on rehabilitation, new tank construction, structural repairs, evaluations, tank cleaning, or mixing.

Email:

dprinzing@klmengineering.com

Dan Popehn
Director of Business Development

Mr. Popehn has been with KLM since Spring 2023. He has almost 10 years of sales experience within the water and wastewater industry. Outside of the office Dan likes to travel the world with his wife, attend various sporting events, and spend time at the cabin.

Email:

dpopehn@klmengineering.com

James Creed
Great Lakes Regional Sales Manager
Mr. Creed is the Regional Manager located in our New Lennox, Illinois, office. He has a combined 30+ years in the coatings industry primarily in general industrial, OEM, marine, protective coatings and linings. The knowledge and understanding of protective coatings, surface preparation, and local, federal, and industry regulations Jim brings to KLM, confirms clients are receiving the most reliable guide for their assets. Jim is also a NACE Level III Certified Coatings Inspector and SSPC Certified Concrete Coating Inspector.

Email:

jcreed@klmengineering.com

Chad Caldwell
Business Development/Inspector
Mr. Caldwell has worked as both a business development representative and inspector for KLM since January 2022. He brings 10 years of experience in the oil field as a lead lease operator, which translates well into the water industry. This level of knowledge and experience ensures KLM clients receive the best solutions and quality of work. Mr. Caldwell was also trained through the TWI Institute of Training and holds numerous OQ certifications.

Email:

ccaldwell@klmengineering.com

Michelle Nelson
Operations Coordinator
Mrs. Nelson has been in the water storage industry for more than ten years with an emphasis on operations. Michelle holds a Bachelor of Arts degree from the University of Wisconsin- River Falls. She has experience working on projects ranging from 50,000 gallons to two million gallons in size. She brings to her position a broad range of support skills from project management to customer support for antennas, new construction, and reconditioning projects. Her dedication and expertise allow her to streamline communications and workflow to ensure project satisfaction.

Email:

mnelson@klmengineering.com

Amy Stein
Office Coordinator

Mrs. Stein started at KLM in the summer of 2024 as the office coordinator.  She brings 20+ years of business and accounting experience to KLM. Amy manages KLM’s corporate certifications, accreditations, insurance, employee benefits, financial reporting, audits, and contract agreements. In Amy’s free time she enjoys walking her dog, doing house projects, and trying new restaurants.

Email:

astein@klmengineering.com

Nancy Hofer
Administrative Assistant
Mrs. Hofer has worked as an administrative assistant for over 20 years. She comes from a background of customer service in the banking industry. Currently, she uses her skills to help the marketing team and to work with clients answering the phones, managing mixers, and sending out various proposals. Nancy has been with KLM since January 2021.

Email:

nhofer@klmengineering.com

April Durow
Marketing Coordinator

Ms. Durow started at KLM in the summer of 2023. She brings over 20 years of experience in the design, marketing and communication field. Outside of the office you can find her on a fishing boat, at her son’s baseball games, or planting in her garden.

Email:

adurow@klmengineering.com

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