Ryan Davis
Owner and Operator
Phone:
641-891-4443
Email:
Credentials:
B.S. Dietetics/Nutrition Iowa State University
NASM CPT - Certified Personal Trainer
ServSafe Certified - Food Safety Manager
Competitive Bodybuilder
​
​
A Bit About Ryan
Hi guys! It's Ryan. I am so excited to be able to meal-prep fresh, quality, delicious meals for you guys! Meal-prep and nutrition has been my passion my entire life.
After graduating from high school in a small town in Iowa, Knoxville, I decided to attend Iowa State University to further my education in Dietetics and Nutrition and pursue a career in the nutrition field. In my junior year of college, my friends encouraged me to meal-prep for them. One thing led to another, and Precision by Nutrition was born! That was in 2021, and I finished my bachelor's degree in dietetics and nutrition in 2023. During college, I also had a passion for fitness, specifically bodybuilding, which required a ton of meal prep for myself. I competed in 2018, 2020, and two competitions in 2024! In 2025, I also completed my NASM program earning a certificate of personal training, hoping to help others in their fitness, nutrition, and health journey! I enjoy other activities like swimming, biking, and running as well. One thing I love and brings me lots of joy is music. I enjoy all kinds of music, like country, hip-hop, worship, rock, and more! Lastly, on a personal note, I have a deep faith in Jesus Christ and my faith is the most important part of my life! That's me!
Heather Dunkin
Kitchen Manager & Chef
Phone:
641-218-4436
Email:
Credentials:
B.S. In Technology
Full Time I.T. @ Knoxville Hospital/Clinic
Boston Qualified Marathon Runner
​
​
A Bit About Heather
Hi guys! It's Heather. I am Ryan's mom and am heavily involved in Precision. by Nutrition on the weekends on top of my Monday-Friday job at Knoxville Hospital and Clinics! I do the vast majority of the cooking at PBN, especially the sweet treats! All of those delicious protein muffins, protein bites, scotcharoos, protein brownies, overnight oats, protein puddings, protein granola bars, as well as the foods like pastas, grains, meats, are made by me!
​
I have enjoyed cooking my whole life, especially after having kids and cooking for the family. When Ryan was 14, I started teaching him how to cook great, healthy foods. I myself am very passionate for health and fitness! I enjoy endurance training, and have competed in tons of marathons, half marathons, sprint triathlons, and fun 5Ks. I qualified for the Boston marathon in the Phoenix marathon before COVID, and COVID canceled the Boston that year. I am currently training for the St. George marathon to qualify again! I am also super passionate about nutrition, and eat to live rather than live to eat! I follow the keto diet, and have seen great results for my health, performance, and quality of life. I love cooking a variety of foods in order to follow my keto goals! And of course, love cooking all the delicious foods at PBN! In my sparse free-time outside of two jobs and training, I enjoy time with my husband Dennis, time with my two kids Ryan and Kyle, spending time on the Pella square where I live, reading all sorts of books, and keeping up with new music coming out to play on the JBL at the kitchen! That's me!
The Delivery Team
We also have a fantastic team of three-four drivers that take deliveries out of the kitchen to your guys doorsteps! Amy, Jake, Fi, and Caleb do a great job on Wednesdays and Sundays delivering and communicating to you guys about delivery updates! We wouldn't be able to do it without them!
