Synergy Fitness

Meet our Trainers

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Spiro Kitsios

Spiro Kitsios has been training clients for over 10 years and genuinely loves what he does. He’s passionate about helping people get stronger, feel better in their bodies, and build lasting confidence through movement. Spiro believes that fitness should be realistic, supportive, and tailored to fit each person’s unique lifestyle.

ACE/NASM Certified Personal Trainer

10+ years training experience

Certified Personal Trainer

Education

Attended American Academy of Personal Training


Leonardo Oliveira

Leonardo Oliveira is a personal trainer specializing in strength, hypertrophy, weight loss, and fitness programming for all levels—including individuals managing chronic (non-communicable) diseases. He helps clients overcome barriers to wellness, with a strong belief that fitness isn’t just physical—it’s a pathway to a better mindset and overall quality of life.

Ace Certified Personal Trainer

Education

RIO DE JANEIRO STATE UNIVERSITY (UERJ) - LICENCE/BACHELOR IN PHYSICAL EDUCATION AND SPORTS COURSE


Renata Carlos

Renata Carlos is a personal trainer and physical therapist with a passion for helping people achieve their fitness goals in a sustainable way. She focuses on building strength, improving mobility, and fostering healthier habits both in and out of the gym. In addition to training, Renata offers nutrition guidance to support lasting, long-term results.

Ace Certified Personal Trainer

Certified Physical Therapist

Certified Personal Trainer

Nutritional Life Coach



Emro Karadjuzovic

Emro Karadjuzovic brings a results-driven approach to training, backed by a background in professional fitness and competitive bodybuilding. He designs personalized programs to help clients build strength, enhance performance, and achieve lasting results. Emro’s mission is to empower individuals through fitness, supporting both physical transformation and overall well-being.

International Federation of Bodybuilding & Fitness Professional Pro

Certified Personal Trainer


Christian Concepcion

Christian Concepcion is a dedicated boxing coach who helps clients build skill, strength, and confidence—both in and out of the ring. His training combines technique, conditioning, and mindset to support fighters at every level. Whether you're training to compete or simply looking to elevate your fitness, Christian is committed to guiding you every step of the way.

USA Boxing Coach

Synergy

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