Meet Dr. Bob Posner


“You don’t have to look any further if you want a doctor who knows what he’s doing.”

Dr. Bob Posner is a Diplomate of the American Board of Internal Medicine. A former decorated U.S. Navy physician, Dr. Posner was under consideration to be President Reagan’s physician. Having a passion for helping people become healthier and happier, he opted for a career in private practice.Serotonin Plus is patented oral serotonin supplementation developed by Dr. Bob. This design became the marquee feature of the Serotonin Plus Program that has helped tens of thousands of patients across the United States lose weight safely and effectively. Over 100 board certified physicians across America have brought the Serotonin Plus Program and products into their practices.The author of The Serotonin Solution to Never “Dieting” Again, Dr. Bob he has lectured at medical conferences across the U.S. andthroughout Europe. He has developed and patented serotonin products including SeroPro, the Serotonin Solution for Mood Enhancement launched in April, 2017.Dr. Bob is a fitness enthusiast. He enjoys working out daily and is an avid tennis player.

Meet Dr. Alex Gajer

CEO and Founder of The Gajer Practice Ltd.

Sharing her passion for health and wellness!

Dr. Aleksandra Gajer is a board-certified physician who is passionate about helping people become and remain healthy through addressing the root causes of illness and disease. She believes that everyone deserves to live in their most vital body, and that with the proper guidance and support anyone can gain health. Dr. Gajer was born in Poland and has spent the past 20 years in the DMV. She graduated from the University of Maryland School of Medicine with top honors and went on to spend several years caring for highly complex patients in the Emergency Department. Her experience with working with countless patients at the end stages of illness inspired Dr. Gajer to study and develop strategies to prevent and arrest the progression of disease. In her practice, Dr. Gajer focuses on providing patients a highly empathetic and supportive environment to make the necessary lifestyle changes to live a strong and vital life. Dr. Gajer uses creative traditional and complementary medical therapies to help patients achieve and maintain their health goals and live a life of vitality and purpose.

Meet The Team

Aleksandra Gajer, M.D.

CEO/Medical Director & Partner

Robert Posner, M.D.

Founder & Medical Director

Ashley Cremisio, FNP-BC



Chief Operating Officer


Marketing Director & Counselor


Nurse Manager


Medical Assistant


Medical Assistant