About Us

About Plus Size Certified, Inc.
The experts that have created and manage the Plus Size Certified™ program understand the physiological, psychological and behavioral essentials of the nearly 100 million Americans living with the disease of obesity. We can help you and your staff meet their needs

  • james king.jpg
    James King
    Co-Founder, CEO, Plus Size Certified, Inc.

    Since his retirement from the practice of medicine, Dr. King has devoted his time and attention to the better understanding of persons living with obesity and overweight. That dedication has resulted in a unique skill set that addresses issues of lack of accommodation in physical spaces and the stigma and bias endured daily by the plus size community. Among his accomplishments and accolades are:

    · Single handedly created the world’s only plus size friendly resort

    · Served as a consultant to numerous businesses and organizations on the adaption of fixtures, fittings and accommodations for the plus size community

    · Has been the focus of two major international, one-hour TV documentaries about the accommodation of persons living with obesity and overweight

    · Has been featured in over 100 major international publications, such as “People Magazine, the New York Post, CNN Travel, the Sun and Guardian newspapers

    · Has been interviewed about his work on various international TV shows, such as “Good Morning Australia”

    · Has served as a consultant to various medical facilities on obesity

    · Has served as a consultant to gyms and fitness centers on size acceptance and adaption

    · Is an International speaker on size acceptance in business

    · Has served as a consultant on size acceptance to the Hospitality industry

  • michael mantel.jpeg
    Michael R. Mantell, PhD.
    Co-Founder, Chief Science Officer, Plus Size Certified, Inc.

    Since Dr. Mantell earned his Ph.D. at the University of Pennsylvania, he has served as Chief Psychologist for San Diego Children’s Hospital, created the nationally recognized Psychological Services program for the San Diego Police Department, served on the faculty of UCSD Medical School, taught at the School of Public Administration at USC and served as the Senior Fitness Consultant for Behavioral Sciences for the American Council on Exercise, where he helped author the Health Coach certification and the Behavior Change certification. He is also a member of the Science Advisory Board of the International Council on Active Aging.

    As a writer, consultant and presenter, Dr. Mantell contributed widely to the national and international Health, Wellness and Fitness communities. Among his achievements are:

    · A weekly guest on America Trends TV

    · Int’l Director of Behavioral Sciences for Weekly Fitness Challenge`

    · Wellness writer for St Pete Magazine

    · Advisor for the International Medical Wellness Association

    · Listed in the "100 Most Influential People in Health & Fitness"​ on Greatist.com

    · Senior Behavior Science Consultant for Anytime Fitness

    · Director of Transformational Behavior Coaching for Premier Fitness Camp

    · Writer for: GetHealthyU.com, Total Gym Direct, SelfGrowth.com, San Diego Life Coach Examiner, HuffPost.com and four best-selling self-development books including the 1988 original, “Don’t Sweat the Small Stuff: PS It’s All Small Stuff” in addition to "The Link is What You Think," and "Ticking Bombs: Defusing Violence in the Workplace"

    · Has authored articles on fitness, stress, trauma, employee-relations, & mental health for Oprah, Nightline, Larry King, Today​ and Good Morning America.