A great group fitness class is about more than the workout.
The right coach can help you move better, train harder, build confidence, and keep coming back week after week.
At TRIFIT LA, our instructors bring their own experience, personality, and training philosophy to every class. Whether you’re looking to build strength, improve mobility, increase your conditioning, or simply add something new to your weekly routine, our group fitness schedule gives you plenty of ways to get moving.
This month, we’re highlighting three members of the TRIFIT LA coaching team:
Jimmy Guerrero, Sevdi Simnica, and Aaron Newton.Get to know the coaches, their approach to fitness, and where you can find them on the weekly class schedule.
Jimmy Guerrero: Strength, Mobility & Movement That Works Together
For Jimmy Guerrero, movement has always been part of life. His athletic background includes soccer, Brazilian Jiu-Jitsu, and wrestling, and he later studied Kinesiology with a focus in Exercise Science at CSUN. Jimmy also gained hands-on experience working in physical therapy clinics throughout Los Angeles.
That background shows up in the way he coaches. Jimmy takes a balanced approach that combines strength and mobility, helping members build fitness they can use both inside and outside the gym. His goal is to create a positive, enjoyable training environment while helping people improve the way they move and feel.
Train With Jimmy
Jimmy teaches several different formats throughout the week, making his classes a great choice if you want variety in your training.
- Monday: TRX — 12:00 PM–12:50 PM
- Monday: HIIT — 5:30 PM–6:15 PM
- Tuesday: HIIT — 12:30 PM–1:15 PM
- Tuesday: Kinstretch — 5:30 PM–6:15 PM
- Wednesday: HIIT — 5:30 PM–6:15 PM
- Thursday: HIIT — 8:00 AM–8:45 AM
- Thursday: HIIT — 12:30 PM–1:15 PM
- Thursday: Kinstretch — 5:30 PM–6:15 PM
Whether you want the intensity of HIIT, the full-body challenge of TRX, or dedicated mobility work through Kinstretch, Jimmy gives you multiple ways to build a stronger, more capable body.
Sevdi Simnica: Building Strength That Goes Beyond the Gym
Sevdi Simnica discovered her love for fitness in college and has spent more than seven years training, learning, and growing within the fitness industry. She is ISSA-certified in both personal training and strength and conditioning.
Her approach extends beyond sets and reps. Sevdi is passionate about overall wellness, including nutrition, strength training, and building healthy daily habits that support life outside the gym. She also recognizes that fitness is never one-size-fits-all.
Sevdi’s goal is to help members cut through the noise, understand what works for them, and develop a relationship with fitness they can actually enjoy and sustain.
Strength & Conditioning With Sevdi
- Monday: Strength & Conditioning — 6:30 PM–7:15 PM
- Wednesday: Strength & Conditioning — 6:30 PM–7:15 PM
If you’re looking to become stronger, build consistency, and develop better training habits, Sevdi’s evening Strength & Conditioning classes are an ideal addition to your week.
Aaron Newton: Stronger Movement Starts With Better Form
Originally from Portland, Oregon, Aaron Newton grew up around athletics and competed in football and basketball through high school. After moving to Los Angeles, his career in fitness began right here at TRIFIT LA.
Aaron started at the front desk before earning his ISSA personal training certification and becoming both a personal trainer and group fitness instructor. His coaching puts a strong emphasis on proper lifting technique, strength development, and effective exercise selection.
For members who want a workout that challenges them while reinforcing quality movement, Aaron’s classes combine energy with a strong technical foundation.
Train With Aaron
- Tuesday: HIIT — 8:00 AM–8:45 AM
- Friday: Functional Training — 7:30 AM–8:15 AM
- Saturday: HIIT — 9:30 AM–10:15 AM
- Sunday: HIIT — 9:30 AM–10:15 AM
From an early-morning Functional Training session to weekend HIIT, Aaron gives members plenty of opportunities to work on strength, conditioning, and better movement throughout the week.
Ready to train with Jimmy, Sevdi, or Aaron?
Check the latest TRIFIT LA group fitness schedule and reserve your spot through your MyiClub member portal. Class availability and registration requirements may vary.