760-751-1505

Meet Our Team

Marco Gonzalez

Fitness Coach | Personal Trainer

Maggi Gonzalez RN and Owner of Valley Center Fitness Gym, and vitamin therapy RN

Maggi Gonzalez

Fitness Coach

Nikki Lopez, personal Trainer, Fitness Coach

Nikki Lopez

Personal Trainer | Fitness Coach

Julie Stroh, Spin-cycle class trainer at Valley Center Fitness

Julie Stroh

Spin Coach

Jessica Majel

Fitness Coach/Personal Trainer

Daine Gonzalez-Gym Attendant

Daine Gonzalez

Front Desk Attendant

Kaila Gonzalez- Gym Attendant

Kaila Gonzalez

Front Desk Attendant

Kyla Nelson-Front desk attendant at Valley Center Fitness Gym

Kyla Nelson

Front Desk Attendant

Jordan Thomkins- Valley Center Fitness Gym's front desk attendant

Jordan Thomkins

Front Desk Attendant

Jesse Bray - Valley Center Fitness Gym's front desk attendant

Jesse Bray

Front Desk Attendant

Haley Keller Front Desk Attendant

Haley Keller

Front Desk Attendant

Marco Gonzalez

Owner | Fitness Coach | Personal Trainer

Born and raised on Rincon Indian Reservation until I was 18 years old. Joined the U.S. Army and served as a Military Police Officer for 5 honorable years. Played Defensive End for the Palomar Commits in 2009 and later served as a Firefighter/EMT for Rincon Indian Reservation for 7 years. Coached weightlifting for 2 years at Oak Glen High School until 2020 and I’ve been a Personal Trainer for the past 5 years. Out of all my career choices I truly feel like I have helped more of my community as a Personal Trainer than both the military and fire service combined. Allow me the opportunity to help you reach your fitness goals and start training towards a better and healthier you.

Maggi Gonzalez

Owner | Fitness Coach | RN Vitamin/IV Treatment

I am a registered nurse who has been working in a hospital setting since 2008. I also work for Arrive Health and Wellness as a registered nurse, providing vitamin therapy and weight loss management. My passion is to promote health and wellness and to help people live as the best versions of themselves. My husband and I have owned Valley Center Fitness since March 2020. I love how, in every aspect of my career, I am helping people achieve optimal health in the community where I grew up and currently live.

Nikki Lopez

CMT / CPT | Massage Therapy | Strength Training | Strength Coach

Nikki Lopez is a dynamic individual with a multifaceted skill set and a passion for both mental and physical wellness. Armed with a Master’s degree in Psychology, Nikki brings a deep understanding of human behavior and motivation to everything she does. Alongside her academic achievements, Nikki is a certified instructor for Fit4Mom, Zumba, and yoga, embodying her dedication to promoting holistic health and fitness.

Despite her thriving career in photo and video production, Nikki still makes time for world of fitness and wellness. With years of experience as a personal trainer and group fitness instructor, she has honed her ability to inspire and empower others through group fitness. Whether leading a high-energy Zumba class or guiding a serene yoga session, Nikki’s infectious enthusiasm and genuine warmth make her a favorite among her students.

At the core of Nikki’s ethos is a genuine love for connecting with people and making a positive impact on their lives. She thrives on building meaningful relationships and serving as a beacon of encouragement and support for those around her. With her unique blend of expertise in psychology, fitness instruction, and entrepreneurship, Nikki Lopez is a force to be reckoned with—a true trailblazer who is making waves in both the mental and physical wellness spheres.

Julie Stroh

Spin Coach


Julie has been a dedicated professional in the fitness industry since her college days, with a focus on exercise physiology. She is known for creating safe, effective, and innovative exercise programs, one of which was a popular Christian choreographed aerobic program in the late 70s. Currently, she teaches a SPIN/CYCLE class that caters to all fitness levels, emphasizing fun, music-driven workouts that enhance the mind-body connection. Julie prioritizes fitness safety, correct posture, and injury prevention, ensuring that her classes provide both a challenging and rewarding experience. Her commitment to proper alignment and pacing has helped many recover from joint issues. Throughout her career, Julie has taught various fitness disciplines, always with the goal of promoting strength and wellness.

Jessica Majel

Fitness Coach/Personal Trainer

I am a Valley Center resident born and raised on the local Rincon Reservation. When I’m not at the gym you can catch me working at one of the local schools or chauffeuring my kids around to various sports. Being a wife and mother are my first priorities. In 2015 I began teaching Boot Camp and HIIT style classes. Being a fitness instructor is a great passion of mine. I enjoy very much helping people become stronger, grow their self esteem and make healthy life choices. After personally dealing with two knee surgeries and lupus, I have learned how to modify an exercise routine to continue working out and live an active lifestyle. Now I use this experience for some clients who need a way to get or stay healthy through rehab, injury or recovery.

Angela Fay

Personal Trainer

Angela is a seasoned exercise physiologist, corrective exercise specialist, and certified personal trainer (CPT) with an unwavering commitment to enhancing well-being through education and movement. With a rich experience spanning 28 years, she expertly guides her clients towards achieving their goals in mobility, flexibility, cardiovascular endurance, strength training, and boosting self-confidence.

Angela’s expertise is backed by an impressive array of certifications from prestigious institutions, including the American College of Sports Medicine (ACSM), the National Academy of Sports Medicine (NASM), the Cooper Institute, and the Nautilus Institute. She takes pride in her role as a catalyst for positive change, dedicating her career to helping others live healthier, more fulfilling lives.