Our Team

Dwight Upshaw – Head Coach/Endurance Specialist

Background: Dwight has trained athletes of all types for nearly 10 years. Growing up in Northern California, he started out in track, football, swimming, baseball, and soccer. In college, he was a D-1 rower on the UC Berkeley Crew Team. He later transitioned into triathlons and multi-sport racing and was part of the UC Berkeley Tri Team that won the Collegiate National Championship.

After years as an endurance athlete and with burnout beginning to creep in, Dwight found CrossFit.  The competitive, fun, community-based atmosphere helped him fall back in love with fitness. Dwight has nearly 10 years as a multi-sport endurance coach, leading multiple athletes to Boston qualifying times as well as top 10 Triathlon finishes (from sprints to Iron Man).

As a Boulder CrossFitter, you gotta love a guy who can run a marathon in 2:39 (that’s 26 6-minute miles) AND deadlift over 545 pounds!

CrossFit Credentials:
CrossFit Level 3 Trainer, CrossFit Endurance, CrossFit Kids, CrossFit Mobility, National Association of Sports Medicine – CPT


Michael Butts – Senior Coach/Olympic Lifting Specialist

Michael grew up in the small town of Carthage in SW Missouri. With boundless energy and the last name Butts, he and his brother got into quite a few scuffles as children, so their father decided to take them both to wrestling practice. His senior year, he went undefeated and won a state title. This accomplishment earned him a full ride scholarship to the University of Nebraska at Omaha where he studied physical education.

After college, Michael discovered rock climbing and spent 9 years climbing around the world, in over a dozen countries, pushing himself mentally and physically on some of the best rock climbs and mountains around the world. During his travels, he was exposed to almost everything the fitness world had to offer. Gripped by the desire to find new challenges, he discovered CrossFit in 2008. After only a few workouts he knew that CrossFit was going to be more than just a training element in his life.

“Above all, I believe that fitness is non-negotiable. In life the ability or inability to meet physical challenges shapes an individual’s personality and lifestyle, be it moving luggage to the overhead bin, climbing stairs at work or hiking a 14er. I believe in a world filled with confidence and strength and I am dedicated to the pursuit of fitness, healthy living and helping others get there, too. If it doesn’t challenge you, it doesn’t change you.”

CrossFit Credentials:
CrossFit Level 3 Trainer, Crossfit Olympic Weight lifting, Crossfit Mobility, NASM certified Personal Trainer

Courtney Chiu – Coach

Courtney was born and bred in Austin, Texas. Always feeling like it was a small spot of Colorado in the big state, she wanted to move closer to the mountains for the views, outdoor activities, and get away from triple digit summer heat! She was brought to Colorado for a physical therapy internship to finish her degree in Kinesiology, concentration Athletic Medicine, from the University of Texas at San Antonio.

She has been coaching CrossFit since 2014, CrossFit Gymnastics since 2016, and her passion lies in injury prevention and developing a strong foundation through body weight movements. Courtney’s athletic background stems from track, cross country and lacrosse. She competed year-round in track and went to the 2010, 2012 Junior Olympics for the steeple chase and 4×800 relay. The volume of training lost Courtney’s interest and she found CrossFit in 2013. The sense of community was like no other and she wanted to join in delivering an atmosphere of health, longevity, fun, and belonging.

CrossFit Credentials:
CrossFit Level 2 Trainer, CrossFit Gymnastics


Stacey Heronema – Coach

Stacey is a Colorado native and grew up playing competitive soccer on a traveling team. Stacey loved Colorado so much that she turned down a full ride soccer scholarship to a Division I school, so she could stay close to the mountains. She attended the University of Colorado at Boulder, where she studied Integrative Physiology and Psychology. She received her Bachelor’s Degree in 2011, and plans on going back to school for a Doctorate in Physical Therapy. Stacey has always been a natural leader. She was the captain of her soccer team, and loved to lead by example. She began her coaching career when she was a teenager coaching pee-wee T-Ball and youth soccer and track. After becoming hooked on CrossFit as an athlete, Stacey decided it was time to join the coaching side.

CrossFit Credentials:
CrossFit Level 1 Trainer, CrossFit Mobility, NASM Certified Personal Trainer

Laura Lochmann – Coach


Laura grew up in Northern Wisconsin, where her athletic pursuits consisted of a variety of sports through out grade school to high school but nothing really “stuck” except for dance. After moving to Madison, Laura realized she needed to find a way to get active again. Her mom was actually the person who got her to her first CrossFit class and after that she was hooked. Her mom beat her at that free community class, but Laura couldn’t let that happen again. So she signed up the next day.

When she is not at the gym, Laura enjoys reading realistic fiction and researching nutrition as well as getting outside and hiking, camping, or spending time with her dogs.

As a coach and leader, Laura wants to make sure that every person who walks in to class feels welcome and knows that no matter what the work out is they will get better that day. She feels that the best part about being a CrossFit coach is helping individuals achieve goals that they never thought possible.

CrossFit Credentials:
CrossFit Level 3 Trainer, CrossFit Rowing, CrossFit Gymnastics, Precision Nutrition Level 1

Elissa Morello – Coach


Elissa was born in Florida, grew up in New Hampshire and has lived in several states across the country before finally settling in Colorado. She loved being on her high school and university’s acrobatic teams, traveling, performing and teaching others. This led Elissa to personal training in 2009, also giving distance running and bodybuilding a try before finally finding CrossFit in 2012 in Las Vegas. She was thrilled to find a sport that made her feel good, satisfied her competitive side and didn’t require her to be hungry all the time.

Coaching and training is a passion of hers because she believes that everyone deserves the opportunity to know what truly feeling good and living life to the fullest is like. She loves to find out what motivates people and believes this is the key to committing to and being successful at achieving your goals.

CrossFit Credentials:
CrossFit Level 2 Trainer, CrossFit Olympic Weightlifting, CrossFit Competitors Course, CrossFit Anatomy


Antonio Pestello – Coach

Background: After graduating from the University of Colorado with a degree in Economics and Math in 2015, Antonio decided that he was much better suited for a career in CrossFit. Antonio believes that every time you step into the gym, both as an athlete and as a coach, you have the opportunity to better yourself mentally and physically. As an athlete, he looks at his time in the gym as the chance to make the decision minute by minute to push himself to do what others aren’t doing that day, so ultimately he could do what others couldn’t do tomorrow. As a coach,  he takes pride in the opportunity to create a culture for athletes to understand that they are capable of much more than they think.

Antonio has learned two things through CrossFit that he applies every single day in the gym. CrossFit is just as much mental training as it is physical training; and there are no bad teams, just bad leaders. He believes that it is his job as a coach to not just guide athletes through their hour workout, but to instruct them through their training in an effort to make them better prepared for tomorrow.

CrossFit Credentials:
CrossFit Level 1 Trainer, CrossFit Kids, CrossFit Endurance


Melissa Roza – Owner/Business Leader

Melissa leads Sanitas’ operations and member services. Melissa discovered CrossFit while seeking a more well-rounded exercise program than trail running following the birth of her twins. With four young kids and a traveling husband, Melissa experiences the real-life time challenges mothers face every day. She has found CrossFit to be the most efficient form of exercise to fit into her busy lifestyle, and started CrossFit Sanitas to make these benefits available to other busy Boulder moms.

Melissa is a CU grad, reformed investment banker and silicon valley high-tech professional. CrossFit Sanitas is her second entrepreneurial venture – in 2002, she founded Chateau Weddings, and planned over 50 destination weddings in France and Italy for couples from all over the world. Her fitness journey has included running, mountain biking, swimming, triathlons, and yoga.


Eric Roza – Owner

Eric focuses on Sanitas’ strategy and vision. A lifelong fitness nut, Eric discovered CrossFit in 2008 after a running injury and high-cholesterol diagnosis had him wondering if age had finally caught up with him. Within six months of CrossFit and the adoption of an 80/20 paleo diet, he was in the best shape of his life, and both problems were a thing of the past! He immediately recognized that he had found the elixir of youth, and has since been responsible for introducing hundreds of others to the benefits of both CrossFit and Paleo eating, with numerous life-changing impacts.

Eric is a firm believer that fitness can be improved and maintained through old age, and that employers can play a key role in improving health and wellness as a source of competitive advantage as well as societal benefit. In his day job as CEO of Datalogix, Eric has tested these theories by building an in-house CrossFit gym and offering free Paleo meals and health education to its 400+ employees. Datalogix has emerged as one of the country’s fastest-growing technology companies and has been named a top 100 company to work for by both Fortune and Outside Magazines. Its healthcare costs have grown at less than 1/2 the national average for the past three years.

CrossFit Credentials:
CrossFit Level 2 Trainer

Claire Mulholland – General Manager

Claire grew up in Colorado, and loves all the typical things the state has to offer: skiing, hiking, climbing, and more. She started doing CrossFit in 2015, and found out it made all that outdoor exercise easier and better. With a background in advertising and public relations, she wanted to apply her skills to CrossFit, helping share the message of fitness and health to a wider audience.

CrossFit Credentials:
CrossFit Level 1 Trainer