Our engineers at Roger D. Fields Associates, Inc. hold professional registrations in Ohio and 28 other states.


John B. Kerr, P.E., LEED-AP BD+C

Managing Partner, Senior Mechanical Engineer

Sanjay K. Sahni, P.E., LEED-AP

Partner, Senior Electrical Engineer

Gregory C. Topp, P.E., LEED-AP

Partner Emeritus, Senior Mechanical Engineer

Markus Lott, Mechanical engineer

Markus T. Lott II

Mechanical Engineer

Jim Bentz, Senior Electrical Designer

James F. Bentz

Senior Electrical Designer

Matt Mumaw, P.E., Mechanical engineer

Matthew Mumaw, P.E.

Mechanical Engineer

Michael Lee, P.E., Mechanical Engineer

Michael Lee, P.E.

Mechanical Engineer

Michael Powell, Mechanical Engineer

Michael Powell

Mechanical Engineer

Ryan Taylor, P.E., Mechanical Engineer

Ryan Taylor

Mechanical Engineer

Lexi Brofford, P.E., Electrical Engineer

Lexi Brofford, P.E.

Electrical Engineer

Luke Hudson, Electrical Engineer

Luke Hudson

Electrical Engineer

Cameron Foster, Electrical Engineer

Cameron Foster

Electrical Engineer

Christi Jewell smiling at camera working on important electrical design

Christi L. Jewell

Electrical Designer

Jennifer Leshnock, Electrical Designer

Jen Leshnock

Electrical Designer

Jeff Hutt, Electrical Designer

Jeff Hutt

Electrical Designer

Tod Winters smiling at camera while standing next to his desk

Tod Winters

CADD/BIM Technician

Summer Pearson smiling at camera while sitting in an office environment

Summer Pearson

Finance & Operations Manager

Gabi Conard, Marketing, Business Development

Gabi Conard

Marketing & Business Development