Our People

Rick Worrel, PE

Rick Worrel, PE

President

Rick is the co-founder and president of Affinis. He enjoys pursuing new projects and is the force behind preserving our mission, vision, and values.

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Robert Ubben, PLS

Robert Ubben, PLS

Principal, Survey Services

An owner and principal at Affinis, Robert leads our survey team. He has a reputation for elevating the profession by always delivering quality documents. Robert helps his co-workers collect data accurately and quickly by outfitting them with the right tools.

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Mike McKenna, PE, PTOE, ENV SP

Mike McKenna, PE, PTOE, ENV SP

Principal, Senior Traffic Engineer

An owner and principal at Affinis, Mike is always looking for ways to make his co-workers’ lives easier. Whether it’s expanding their knowledge or pitching in on a project, he is both a leader and team player.

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Ryan Stobaugh, PE

Ryan Stobaugh, PE

Field Engineer, Construction Observer

Ryan knows a thing or two about construction, and he has the certification to back it up. He’s an ACI Concrete Field Testing Technician – Grade 1and Strength Testing Technician and is certified in Troxler Nuclear Moisture Density Testing.

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John Spell, EI

John Spell, EI

Project Engineer

John assists with design, performs calculations and quantity checks and collaborates with project teams. Once a design technician, his background gives him an in-depth understanding of how to create effective solutions for our clients.

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Cliff Speegle, PE, LEED<sup>®</sup> AP

Cliff Speegle, PE, LEED® AP

Project Engineer

Cliff has a tendency to pitch in wherever help is needed. As an owner, he strives to make his co-workers’ lives easier by rolling up his sleeves or offering congratulations for their accomplishments.

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Brad Schleeter, PE, CFM, ENV SP

Brad Schleeter, PE, CFM, ENV SP

Senior Project Engineer

Brad bring 13 years of experience in urban drainage, transportation related stormwater design, environmental permitting, development plan review, feasibility studies, and project management and implementation to the Affinis team.

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John Sanders

John Sanders

Construction Services Manager

John oversees the construction of client projects. He uses his years of industry experience to provide the best results for our clients and the communities they serve. With an eye for detail, he makes sure projects are completed in accordance with plans, specifications, budget and schedule. What did you want to be growing up? A pilot […]

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Tony Roush

Tony Roush

Design Technician

In the office and out, Tony has the project details covered. A KDOT certified inspector, he is a valuable member of our in-house design team and a great resource in the field.

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Linda Rottinghaus, PE, ENV SP

Linda Rottinghaus, PE, ENV SP

Senior Project Engineer

An owner, Linda makes clients’ lives easier by applying her detailed knowledge of LPA and ADA principals to all kinds of projects.

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Kathy Minnick

Kathy Minnick

Controller

Kathy knows Affinis inside and out. Serving as the controller, she handles all things financial, whether she’s paying invoices or preparing budgets.

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Aubrey Meyer, PLS

Aubrey Meyer, PLS

Professional Land Surveyor

A lead surveyor, Aubrey works directly with our engineers to solve design issues. His collaborative approach helps identify challenges in advance.

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John McCanless

John McCanless

Senior Project Representative

At the job site, John ensures projects are completed in accordance with plans, specifications, budget and schedule. It’s not an easy job, but one at which he excels. Quick on his feet, he is skilled at finding solutions that deliver for our clients.

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Cindy Martens, SPHR-SCP

Cindy Martens, SPHR-SCP

Manager of Recruiting & Retention

Cindy has a knack for recruiting great talent. Her ability to find co-workers who reflect our mission, vision, and values helps make Affinis a great place to work.

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Kristen Leathers, PE, Assoc. DBIA

Kristen Leathers, PE, Assoc. DBIA

Project Manager

An owner at Affinis, Kristen knows street design. Her passion for transportation projects is contagious, and one of the reasons she’s respected by her co-workers and clients.

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Troy LaVelle

Troy LaVelle

Design Technician

Troy knows CADD inside and out. Whether he’s working on transportation, site development, or stormwater projects, his plans are meticulous.

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Daphne LaTendresse

Daphne LaTendresse

Accounting Assistant

Our accounting assistant at Affinis, Daphne LaTendresse, works on payroll, accounts receivable and invoicing. Her attention to detail and ability to multi-task make her a valued member of our team, but it’s her awesome personality that had us hooked from day one. What did you want to be growing up? A ballerina Which super power […]

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Kristen Kocen

Kristen Kocen

Administrative Support

Kristen is the face (and voice) of Affinis. If you call or stop by our office, she is the first person you’ll meet. She also provides administrative support to all of our co-workers.

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Kellan Gregory, PLS

Kellan Gregory, PLS

Professional Land Surveyor/Utility Coordinator

In addition to being a land surveyor, Kellan manages our contact with utilities. His field experience maximizes his ability to collaborate with key contacts and keep projects on schedule.

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Ryan Fleming, PE, ENV SP

Ryan Fleming, PE, ENV SP

Senior Project Engineer

A leader in our thoroughfare group, Ryan is an owner at Affinis. He enjoys the challenge of making old roads work like new.

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Jason Fine

Jason Fine

Design Technician

As an engineering technician, Jason works hand-in-hand with his co-workers to create quality designs. His dedication to creating thorough documents has helped make Affinis a trusted partner of construction companies.

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Troy Depperschmidt, CET

Troy Depperschmidt, CET

Senior Designer

In addition to keeping all of our IT in check, Troy applies his design expertise to many of our street and thoroughfare projects.

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Jason Davis, PE, ENV SP

Jason Davis, PE, ENV SP

Vice President of Federal Services

Having served in the military, Jason understands the intricacies of federal work. An owner at Affinis, his extensive knowledge makes him a great asset to us, as well as our clients.

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Laura Boatwright

Laura Boatwright

CADD Technician Intern

Laura Boatwright works closely with our CADD technicians to prepare drawings and plan sets for project teams. In her role, she also performs technical drafting support and is focused on providing accurate results.

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Bill Bishop

Bill Bishop

Field Surveyor

Bill is a member of our survey team, which means he is one of the first, public faces of a project. He strives to gather data as accurately and quickly as possible.

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Lee Baer, EI

Lee Baer, EI

Traffic Engineer

Lee recently joined Affinis with experience in traffic and transportation engineering. His focus has been on traffic operations, temporary and permanent traffic control, lighting, and ITS services.

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Peggy Amor, CPSM

Peggy Amor, CPSM

Marketing Manager

Peggy leads our marketing efforts at Affinis. Whether we’re putting together a proposal or preparing for an interview, she makes sure our responses look and sound great.

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