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Transforming Fitness Through Strength, Balance, and Innovation – An Interview With Sussie Renteria

Feb 4, 2025
5 min read

Susana Renteria is a certified personal trainer with a master’s in information technology administration. She is a true advocate for health and fitness, driven by a mission to enhance the quality of life at every stage. Her passion has taken her from her home in Torreon Coahuila to the global stage, impacting lives in the United Kingdom, Dubai, and beyond through her online platform. Her work is not just local but a part of a global movement towards a healthier and more active lifestyle.


With a unique approach, Susana's mission is to guide people in mastering movement to prevent or reverse injuries, ensuring strength, control, mobility, and balance at every life stage.


As the CEO of Bysu Fitness, Susana has created a boutique-style fitness studio that stands out for its intimate and exclusive atmosphere. Here, clients can expect a unique and high-quality training experience that sets Bysu Fitness apart from the rest. This is not just another gym but a place where you can truly transform your fitness journey.


Image photo of Susana Cecilia Rentería Ramírez

Sussie Renteria, Personal Trainer


Please tell us more about you.


As an elite personal trainer with over a decade of experience in the fitness field, her mission is to transform lives by sharing her knowledge and developing unique methods.


Everyone is different in terms of capabilities, strength, and emotional situations, which is why it was imperative to create a method that, in addition to making it different every day, could be adapted to any person at any age.


The experience you will have inside the gym is a work of art: The fusion of different disciplines, including Pilates, HIIT, yoga, mobility, and personalized attention, makes it achievable and pleasant in a welcoming environment. However, what truly sets her apart is the support and friendship among the participants. You're not just joining a gym; you're becoming part of a community.


Tell us about a pivotal moment in your life that brought you to where you are today.


Working in the geriatric field has been crucial in developing Susana's business. Rehabilitating senior clientele, understanding their unique needs, and designing functional training to enhance their quality of life has been a journey of respect and consideration. Today, they continue to add health-based certifications to understand how to train seniors, from those with a sedentary lifestyle to clients with arthritis and spinal injuries, among other diseases that appear with aging.


Today, in collaboration with the KO8 fitness team, her training program has made significant strides in the geriatric fitness world. She has provided hope and support to many individuals who had lost faith in their ability to regain strength, control, and balance.


Tell us about your most outstanding career achievement so far.


  1. As a co-owner of KO8 Fitness, Susana has developed engaging content that revolutionizes the home training experience. The company has quickly gained acclaim across Europe and the United Arab Emirates, offering unique training sessions set in breathtaking locations in Mexico and around the globe.

  2. In 2023, Susana proudly published her book “Fuerza, Control y Balance.” This comprehensive guide features more than 70 clearly explained movements and provides a structured six-week program for progressive strength development. Written in Spanish, the book is a valuable resource for the Latin fitness community, enhancing its bibliographic offerings.

  3. Susana's innovative routines for global brands are not just ordinary exercises but expertly crafted programs that significantly boost strength and enrich overall well-being. Each routine reflects her creativity and effectiveness, making them indispensable for anyone passionate about fitness.


Who inspires you to be the best that you can be?


Susana is inspired by individuals who are determined to transform their lives. Their motivation to overcome challenges, whether it's gaining strength in their legs to play with grandchildren, building arm strength for heartfelt hugs, achieving effective mobility for confidence and independence, or striving to become their best selves, fuels their passion. Her professionalism and dedication are evident as she invests her full attention in each person, delivering the highest level of training while continually pursuing education to remain at the forefront of her field.

What inspired you to create BYSU Fitness?


His own story was her primary motivation. Having experienced a transformation based on changes in nutrition, learning to move correctly, and changing his day-to-day mentality was the necessary driving force to bring that legacy to as many women as possible. Why women? Because she felt the need to create a safe space where they felt confident, empowered, strong, and capable of facing their challenges.


What services or products does (your company) offer?


In-person gym in Mexico: This exclusive experience is designed for women who aspire to transform their lives securely and gradually tailored to their individual levels and circumstances. Located in Torreón, Coahuila, Mexico, this boutique gym is celebrated for its exceptional personalized service. If you find yourself in the city, don't miss the chance to step into this unique space.


In-person gym in Dubai: KO8 Fitness, located in the vibrant Dubai marina, is a haven for those seeking to work out with state-of-the-art equipment. During peak seasons, Susana graces the facilities with her presence, infusing each class with her unique Latin touch, creating a sense of connection with every participant.


BYSU.MX online: On this platform, you can find over 2000 routines of all levels, available in English and Spanish and always promising new challenges. It's your opportunity to embrace growth and continue your journey toward becoming your best self, no matter where you are.


“Fuerza, Control, y Balance”. This inspiring book in Spanish guides you to achieve real transformation in just six weeks. You can easily purchase it through her social media channels.


Personalized 1:1 training: Without barriers or excuses, you can have one or several completely personalized sessions via Zoom. This type of training allows Susana to take her training anywhere in the world. With this approach, she has achieved incredible

transformations in Mexico, Germany, and Peru. These success stories are a testament to the effectiveness of her personalized training.


If you could change one thing about your industry, what would it be and why?


Eliminate the belief that aging is a bad thing and that you can stop it! The fitness industry is in a visual crisis, where looking young is the goal. In reality, the goal is to celebrate every moment of your life, adding years with quality of life, which means maintaining physical and mental health and living a fulfilling life. Living is incredible, and each stage must be lived fully.


In your experience, what are some common misconceptions about (your industry)?


  • With age, you can no longer do many things: It is important to change people's mentality, instill self-belief, and teach them that each individual's superpowers are born from their mind.

  • I will never look like this: Seeing the covers or posts of “perfect” people on social networks has lowered many people's security and confidence. It is not real, and it is necessary to look for trainers who know how to take care of your body and abilities and understand how to manage the client's progress. Look for trainers with certifications, experience, and a holistic approach to fitness.


Transform your life with Susana! She is passionate about creating awareness, enhancing your quality of life, and encouraging daily movement. Connect with her on social media for insightful tips and guidance on maintaining an active lifestyle that suits your individual needs.


Follow me on Instagram, and visit my website for more info!

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This article is published in collaboration with Brainz Magazine’s network of global experts, carefully selected to share real, valuable insights.

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