About me

This post is also available in: Español (Spanish)

From vegetable hater to nutrition coach….

Hi, I’m Gillian

Currently, I’m healthy, happy and feel pretty good about my body… but it’s been a long road to get here. Until I was about 20 years old, I hated exercising, LOVED candy and soda, and refused to eat vegetables.

I had a pretty terrible relationship with food and my body growing up. I was obsessed with snacks- the artificial, packaged, sugary snacks that are typical in an American household. However, since my family didn’t allow them at home, I would hoard them at friends houses… and hide my secret snack obsession from my family.

My love for snacks and my hate for any type of vegetable or any type of exercise contributed to my tight pants and my self-criticism when I looked in the mirror- but I had NO IDEA how to change my diet or start exercising in a way that I actually liked!

In college, I finally started to change my habits, bit by bit. After a couple of years of heavy drinking and partying, my pants didn’t fit and I felt terrible. Slowly, I started incorporating more vegetables and less processed food into my diet and I added in a day or two at the gym. I stopped smoking, and reduced my alcohol intake. Little by little, I transformed my life, my body and my habits. Read my whole food and body story, and why I do what I do here.

I started studying nutrition and coaching in 2011, after graduating from UCSD with a degree in anthropology. Since then, I have continued to study, learn and experiment with different eating methodologies. Currently, I am certified as a Precision Nutrition L1 coach, an Institute for Integrative Nutrition health coach, a Level 3 CrossFit trainer, and I hold a certificate in Sports Nutrition from ANEF in Barcelona.

My style of coaching uses principles of motivational interviewing, intuitive and mindful eating, and a holistic coaching approach to changing your habits for good. I believe that YOU as the client should be involved in making decisions about your own body.

I started Bite Size Nutrition in 2016 to help men and women learn how to eat in a way that supports their body, fitness and health goals without relying on cookie-cutter diet rules.

With me, you’ll harness your inner motivators for change, and create healthier habits that stick with you for life.

What you can expect from me

  • I am not the coach that is going to tell you to eliminate all ‘fun foods’ from your diet.
  • I am not the coach that will tell you that you just need better willpower.
  • I am not the coach who is going to give you a meal plan and say… ‘talk to you in a month.’
  • I am not the coach that is going to shame you for eating the ‘wrong things’.
  • I AM the coach that will listen to your likes and dislikes.
  • I AM the coach that will help you understand your WHY.
  • I AM the coach that will guide you to find the best style of eating for YOUR BODY.
  • I AM the coach that will guide you to create habits that fit into your lifestyle for the long term.

Over the last 15 years, I have tried every diet you can think of. Over the years, I have tried everything from vegetarian to paleo to intermittent fasting, macro counting and gluten free diets.

I have dieted to gain muscle. I have dieted to lose body fat. I have struggled with my own emotional eating struggles. I share what I have learned through my personal experience and my professional education with my clients in my nutrition coaching programs, group coaching programs and corporate wellness programs.

Professional Education

Sports Nutrition

2016 – 2017

ANEF BCN – Fitness Professionals Academy

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L1 Certified Coach


Precision Nutrition – Nutrition Academy

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Holistic Nutrition


Institute for Integrative Nutrition

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Sociocultural Antropology

2005 – 2009

University of California San Diego

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CrossFit Level 3 Certification ™ (CF-L3 Certified CrossFit Trainer)

I have extensive experience as a CrossFit trainer ™, Kettlebells and Fitness Bootcamps programs for all levels

This post is also available in: Español (Spanish)

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