Owner & Personal Trainers

Tammy Thomas

• AFAA Group Exercise Certified, Red Cross- CPR Certified
• AFAA- Personal Training, Pilates Certified, Yoga Certified, Kickboxing and Spin Certified
• CrossFit Level Trainer 1, 2
• CrossFit Kids Certified
• B.S. in Business Management, University of Phoenix, 2000

Tammy has been the owner of Davis Swim and Fitness since 2005, and Yolo CrossFit/Yolo CrossFit Kids since 2014. She is passionate about her club and helping all the memberships achieve their fitness goals. She has created a safe and healthy environment for the entire family to get FIT and stay healthy. DSF/YCF is a loyal and committed community!

Carolina Wonder Ehrlich

Qualifications: 

• NASM- Certified Personal Trainer, Nutrition Coach and Corrective Exercise Specialist 
• Pre/Postpartum Fitness Specialist 
• Running Coach
• Certified Yoga Instructor, 200 HR
• Barre Instructor 
• FRC- Mobility Specialist 

Carolina uses a holistic approach with her clients, factoring nutrition and sleep into their exercise programming. She balances cardio, mobility, strength training and plyometrics into their one-hour sessions. She’s an advanced Kettlebells Coach with Living Fit and a running specialist with RunDNA. She works with clients from all backgrounds ranging from athletes to women with postpartum injuries and older clients with degenerative diseases such as osteoporosis. She loves indoor rock climbing, aerial silks, jogging with her dog and watching her kids compete gymnastics. 

Margaux Ocampo

Fitness & Swim Instructor

Hey there! I’m Margaux,

I’m all about helping people feel stronger, healthier, and more confident! Whether you’re just starting your fitness journey or you’ve been at it for a while, I’m here to create fun, personalized workouts that fit your goals and lifestyle. From strength training to cardio, we’ll find what works best for you.

As a swim instructor, I teach everyone from beginners to advanced swimmers, focusing on safety, technique, and building confidence. Whether you’re looking to improve your stroke or just get comfortable in the water, I’ve got you covered.

My goal is to make fitness something you actually look forward to, and I’d love to be part of your journey!

Ready to get started? Let’s connect!

Qualifications: 

• CA Associate Coach at Davis Aquadarts, Inc 
• Student Athlete – Intercollegiate Cheerleading and Stunt Team 
• Independent Contractor- Private Swim Instruction
• Intercollegiate Women’s Water Polo Captain & Women’s Swimming Team, City College of San Francisco
• Life Guard at Athletics Department (Aquatics), City College of San Francisco
• Assistant Coach at Athletics Department (Aquatics), Lick-Wilmerding High School
• UC DAVIS B.S. in Pharmaceutical Chemistry

Chris Benoit

• Personal Training at Davis Swim and Fitness Since 2007 with Over 24 Years of Coaching
• Masters in Education, 2005
• B.S. Exercise Science and Biology, UC Davis
• Varsity and J.V. Coach 2000-03 River City Rowing Club
• J.V. Softball Coach, Vanden High School, 2004-07

Chris has over 17 years of training experience in a gym, and has worked with a variety of amazing coaches, trainers, and athletes. As your trainer, Chris’s goal is to train you to be independent and self-reliant on exercising, to take what you learn from your sessions and apply it in a realistic manner to your daily lifestyle.

Hannah Tyndall

• B.A. in English and a minor in Eduction, UC Davis
• Masters in Education, UC Davis
• NASM, Personal Trainer Certified

Hannah has always had a strong passion for fitness and maintaining a healthy lifestyle, which she is eager to share with her clients! She has been weight training since 2014 and it quickly became such a crucial part of her life that she decided to work to earn her Certified Personal Training License in 2020. Hannah is thrilled to now be able to educate others in the healthy lifestyle that has brought her so much stability, confidence and happiness. As a personal trainer, she hopes to guide and motivate you towards reaching your own fitness goals!