Established In 1998

Optech Orthotics & Prosthetics Services Ltd began in 1998 with one simple plan: to provide the most advanced custom products and the best patient care. Since then, Optech O&P has grown throughout Chicago's southwest suburbs with locations in Kankakee, Joliet, and Evergreen Park. Optech O&P practitioners have the skill, knowledge and compassion to work with patients of all ages and backgrounds. From diabetic shoes inserts to a full line of orthoses to custom prostheses, we'll work with you to find the right product and the right fit so you can use technology to advance your lifestyle.

Meet our Team

Martin McNab - CPO
MARTIN MCNAB - CPO

Martin McNab - CPO

Marty has over 19 years of experience in orthotics and prosthetics, 13 of those years at Optech O&P. Marty is board certified in orthotics and prosthetics. He earned a BS in Biomedical Engineering at Marquette University and received both his orthotics and prosthetics degrees from Northwestern University. Marty is a member of AAOP, AOPA, MWAAOP and ISOP.

When asked what he enjoyed most about his job, Marty said it was when a patient comes into his office in a wheelchair and leaves walking (with a new prosthesis). "It always brings a smile to my face," Marty said.

When Marty is not at work, he enjoys listening to music and training for marathons. He has also begun brewing his own beer! Marty is a die-hard Chicago Bulls fan and tries to attend as many games as possible. His favorite player is Derrick Rose.

Christopher Koch
CHRISTOPHER KOCH, MPO, RESIDENT

Christopher Koch, MPO, Resident

Christopher, originally from Detroit, recently relocated to Illinois from Laramie, Wyoming. While in Laramie, he attended the University of Wyoming, where he earned a Bachelor of Science in Kinesiology and Health Promotion. He was honored as the College of Health Sciences' Outstanding Graduating Senior in Spring 2022.

Christopher went on to complete his Master’s degree at the Northwestern University Prosthetics and Orthotics Center, graduating in March 2024. In addition to his academic accomplishments, Christopher is a certified butcher with over a decade of experience, developing a wide range of skills and a deep appreciation for BBQ along the way.

Outside of his professional life, Christopher is passionate about sports (particularly hockey, baseball, and football), BBQ, fishing, hiking, and the rodeo. He brings this same enthusiasm to his work in orthotic and prosthetic care, where he takes a patient-centered approach tailored to individuals of all ages.

Lauren Wilberding-Kalvin
LAUREN WILBERDING-KALVIN, MPO, RESIDENT

Lauren Wilberding-Kalvin, MPO, Resident

Lauren graduated from the University of Minnesota in 2019 with a degree in Kinesiology. She continued her education at Century College and Concordia University, St. Paul, earning her Master’s Degree in Orthotics and Prosthetics in 2023.

During her studies, Lauren participated in a humanitarian trip to Belize, where she helped residents gain access to prosthetic care that would otherwise be unavailable. This experience deepened her passion for the field and affirmed her commitment to making a meaningful difference through her work.

Now based in Chicago, Lauren enjoys hiking, kayaking, and taking on home renovation projects with her husband, Sean. She’s also a proud pet parent to a dog named Winston and a cat named Boris. Lauren is drawn to the field of orthotics and prosthetics because it allows her to combine her creativity and craftsmanship with her desire to help others lead.

Olivia (Liv) Collavo
OLIVIA (LIV) COLLAVO

Olivia (Liv) Collavo

Olivia (Liv) Collavo is a Board Eligible Orthotist and current Prosthetics Resident at Optech Orthotics and Prosthetics. Originally from upstate New York, Olivia earned both her Bachelor of Science (2021) and Master of Science (2022) degrees in Biomedical Engineering from Binghamton University before moving to Chicago to study Prosthetics and Orthotics at Northwestern University. She completed her Master of Prosthetics and Orthotics (MPO) in 2024 and went on to complete her Orthotics residency at Lurie Children’s Hospital of Chicago.

Olivia is passionate about orthotics and prosthetics because every patient’s story is unique, and she enjoys playing a part in helping individuals return to the activities and lifestyles that matter most to them. Whether supporting a child learning to walk, helping someone return to work, or enabling an athlete to get back in the game, she strives to make the process supportive, personalized, and hopeful every step of the way.

In her free time, Olivia is an avid endurance athlete, competing in marathons and Ironman triathlons. She enjoys running, swimming, and cycling along Chicago’s Lakefront Trail. She is also a proud dog mom to a black lab named Bugs, a devoted Buffalo Bills fan, and someone who enjoys cooking, spending time with friends, and making the most of the outdoors.

Board-Certified Practitioners

Our practitioners are among the most qualified in the industry. Each office has board-certified practitioners. We are always happy to meet new patients! We are dedicated to exceptional patient care! Set up an appointment or simply schedule a visit to see our office and meet our great staff.

Appointments may be made by calling or texting the office Monday through Friday. Special appointments may also be made outside of normal office hours on a case-by-case basis.


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