Dr. McLaren maintains a private practice limited to prosthodontics and aesthetic dentistry in which he does all of his own ceramics. He is the director of the UCLA Centre for Aesthetic Dentistry, a full-time didactic and clinical program for graduate dentists. He is also the founder and director of the UCLA School for Aesthetic Dental design. The school is a full-time master ceramist program for dental technicians featuring extensive experience with the newest aesthetic restorative systems.

Dr. McLaren is a member of the American College of Prosthodontists, Pacific Coast Society of Prosthodontists, International College of Prosthodontists, Fellow of the American Academy of Aesthetic Dentistry, International Society of Dental Ceramics, International Association of Dental Research, American Association of Dental Research, American Dental Association, and the California Dental Association.

Dr. McLaren is actively involved in many areas of prosthodontic and materials research and has published several articles. He is performing ongoing clinical research on various restorative systems. He has presented numerous lectures, hands-on clinics and postgraduate courses on ceramics and aesthetics across the nation and internationally.