Meet the Team

Sara Poulsen, RDN, LD - Founder
Welcome to Four Pillars Nutrition and Wellness, the place where your journey to optimal health and wellness begins! As a registered and licensed Dietitian with over 10 years of nutrition and lifestyle counseling, I am passionate about helping you achieve your goals. That's why I created Four Pillars - a platform where I can share with you my knowledge and experience.
My approach to health and wellness focuses on the whole person, and together we will create a personalized plan to suit your unique needs. We will explore all aspects of your life, including your physical, emotional, and mental well-being, to help you become the best version of yourself.
Remember, health is not just about what you eat but also how you live. That's why I am committed to helping you find balance in every aspect of your life. So, whether you're looking to lose weight, boost your energy levels, or simply feel better, I am here to support you every step of the way.
Thank you for choosing Four Pillars Nutrition and Wellness.
Let's begin this journey together!
Sierra Markley- Clinic Assistant
Bachelors of Science in Psychology
Meet Sierra Markley—the heartbeat behind the operations at Four Pillars Nutrition and Wellness. With a Bachelor’s in Psychology from Idaho State University and a proven track record in management, Sierra combines expertise with a personal touch to ensure every client feels seen, heard, and cared for.
When she’s not juggling schedules, marketing strategies, and client relations, you’ll find her exploring new cuisines, skiing with her partner, or curling up with a captivating book. A self-proclaimed food lover, ski enthusiast, and book connoisseur, Sierra brings her zest for life into everything she does.
Sierra is thrilled to grow alongside Four Pillars, helping clients achieve their wellness goals with precision, warmth, and a dash of fun!