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Calorie Count


Marissa is a registered dietitian driven by her motivation to help people reach their nutrition and performance goals.



Starting from a young age, sports and fitness has always been a part of her life. Growing up in Northern California, Marissa was a successful track athlete, qualifying for

State championships in the 100m. Upon entering college at USC, she walked on as Heptathlete then focused on the throwing events. After 2 years, she earned a full scholarship, and became PAC-10 and PAC-12 champion in the hammer throw. She simultaneously earned the top 3rd spot on the All-Time list at USC and became the American school record holder in the hammer

throw. In her final year of collegiate competition, she became an NCAA All-American, and qualified for the 2012 Olympic trials, ranking 15th in the country overall.


Upon graduating with her bachelor’s degree in kinesiology, she worked as a personal trainer at

Equinox for 8 years and was an instructor for the company’s in-house education courses. Here is where her appreciation for sports and fitness merged with her desire to learn more about nutrition. She returned to USC for her master’s degree and graduated summa cum laude. Marissa aims to assist all individuals by providing education to support their health and wellness.

Mission Statement

My mission is to support the optimization of all bodies in their pursuit to reach holistic health



"Over the last 10 years that I have worked with Marissa, I have greatly benefited from her deep knowledge of human physiology, anatomy and nutrition. She is a dedicated professional who has helped me define and work to achieve my fitness goals. Thanks to her I am building muscular strength and learning to tailor my eating to keep my blood sugar in check. Marissa is always quick with an encouraging word, brings an infectious enthusiasm, and a versatile approach to our sessions."

Shirley Guldimann

"Marissa is knowledgeable, hardworking, and delightfully personable. I have worked with her for the past 5 years and am always impressed by her deep understanding of nutrition and exercise, in theory and in practice. Since the start of our working together, I have been able to consistently increase my muscle mass and maintain low body fat. She always pays close attention to details and truly loves to assist her clients in reaching their goals." 

Wayne Sharp

"My wife and I have known and worked with Marissa for almost 10 years. She is extremely knowledgeable in the fields of nutrition, physiology, and exercise to name a few. 

Marissa is always prompt, reactive, professional and goes beyond requirements both in communication and preparation.

Marissa has been able to identify our challenges and limitations then structure a comprehensive plan to enhance our workouts and address our overall health. We could not recommend Marissa highly enough for anyone in search of nutrition, health and performance advice." 

John and Sally Munoz


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