Services: Expert Services

To provide an unparalleled level of transit technology expertise, TPE has a longstanding relationship with a number of specialists. Each of these individuals have excelled in their respective fields of interest:

Mechanical and Structural Engineering:

Electrical Engineering:

Quality Assurance

Industrial Design

The following links will show a brief description of each applicable experts' qualifications. The list of our associates may also be displayed by name.


Staff Assignments By Category

Mechanical and Structural Engineering

Carbody Structure and Crashworthiness:

Z. M. (Joe) Lewalski, P.E.

Eva Lewalski, P.E.

Richard J. Kohar, P.E.

Les Okreglak, P.E.

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Truck Dynamics:

Roy Smith, P.E.

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Brakes:

Richard J. Kohar, P.E.

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Electrical Engineering:

EMI:

James Parker, P.E.

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AC/DC Propulsion Systems:

James Parker, P.E.

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Quality Assurance:

John P. Arentz

Sylvia Sonnenberg-Morek

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Industrial Design:

Jim Shook

Z. M. (Joe) Lewalski, P.E.

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