McWilliams' work has progressed from straight, silver work to elaborate, multi-media art work. He has recently produced pieces combining photography and sculptural concerns.
His work utilizes techniques of silver, non-silver, photo-enameling, transparency, view camera, and plastic "toy" cameras. Professor McWilliams has taught photography, film, and video production over the past 25 years and had a stint as a studio manager and commercial photographer. He was the first University Fellow in the Art Department at Florida State University when working toward his MFA degree. Since then, he has been included in over one hundred regional, state, national, and international exhibitions. A few of the venues he has shown in include Notre Dame University, Louisiana Tech University, and The Albuquerque Art Museum. His work has been in venues in many states including New Mexico, California, Nevada, Oregon, Louisiana, Kentucky, North Carolina, New Jersey, and Florida. His film credits include director of photography, gaffer, crane operator, sound effects editor on award winning short films and features.
Professor McWilliams currently teaches Intro to Photography, Studio Photography, Color Photography, Commercial Photography and Portrait Photography and Special Studies classes.