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Aevitas Fitness - CrossFit Aevitas - Gym | Fitness & Sports in Wisconsin
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Physical fitness programAbout the Club
Nutrition and daily health habits optimization is our specialty, teaching you proper form in the gym and the biomechanics behind it. We cover all aspects of wellness to help you feel and look your best.
Our programs are designed to equip you with the skills and knowledge needed for lifelong wellness. Whether you’re looking to improve your strength, boost your endurance, or simply lead a healthier lifestyle, our team is here to support you every step of the way.
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Reviews
Janeth Vasquez
★ 5
I had a great experience working with Ivan. He’s knowledgeable, supportive, and truly knows how to tailor both training and meal plans to deliver results. Thanks to his guidance, I saw noticeable improvements in my fitness and overall health. Highly recommend!
Source: Google
Zoran Djokic
★ 5
The team at Advanced Fitness Protocol is amazing! They really helped me through my post-operation recovery. My meal plan is designed in a way that I never feel hungry or deprived, which is great. Their support is fantastic, and they’re always there to answer my questions. Thanks to their encouragement, my body is in perfect balance again, and I’m feeling stronger and more confident every day. I can’t express how grateful I am. If you’re looking for a truly supportive and expert team, I highly recommend Advanced Fitness Protocol!
Source: Google
Susan Flanagan
★ 5
Ivan is a fantastic fitness professional coach, motivator, nutritionist and all around inspirational trainer. He has taken my fitness and personal growth to a new level at the age of 57. I am a stronger, more fit woman in my 50’s than I was in my 30’s. I look and feel great and it all began 2 years ago with a phone call to Ivan. He put me on a path that was tailored to my lifestyle and fitness goals that I was able to maintain throughout this journey. I have continued on this path and now my husband has decided to take the leap of faith and work with Ivan and has made tremendous strides under his leadership and guidance. They work and train together side by side and his results in just a short period of time are amazing. We are blessed to have found someone who knows so much about fitness and nutritional wellness. There are so many people out there that promise quick fixes, no such thing. It takes time, someone with patience and understanding. If you’re willing to put the time in, Ivan will give 100% nothing less.
Source: Google
Tihomir Jovicic
★ 5
I was in the US for three months and I worked with Ivan. He helped me make results, that I never reached before. The best trainer for sure
Source: Google
Ask Ms G - Gulden S
★ 5
Ivan Birkas is an absolute genius when it comes to training and nutrition! His knowledge, precision, and no-excuses attitude make him one of a kind. He knows exactly how to push you past your limits while keeping every session smart, effective, and goal-driven.
Ivan doesn’t just train you — he transforms you. His approach to fitness and health is both science-based and results-proven. And let’s be honest, he’s a total badass who’ll kick your ass in the best way possible. Five stars all the way ✨
Source: Google
Jadwiga D
★ 5
I’ve been training with Ivan for about three years now, and honestly couldn’t ask for a better trainer. He’s a mix of scientist, drill sergeant, therapist and motivator, he knows what he’s doing, pushes you just enough, and somehow keeps you laughing even when you dont want to laugh. He also genuinely cares about your goals.
Source: Google
Moe K.
★ 5
Ivan is a great trainer & I highly recommend him, he is not only very knowledgeable in fitness training inside the gym but also in all other aspects of his field such as nutrition, health, and many other subjects. He brings a lot to the table, so consider yourself lucky if you get the chance to work with him as a client.🙌🏻
Source: Google
annabel kalev
★ 5
As someone who has had multiple personal trainers, has coached pilates myself and is an overall fitness enthusiast I can truly vouch that you are in great hands when choosing Ivan!
The value for your health, safety while training(super important) and mental + physical results is unmatched. Stop overcomplicating your life and spending money on workouts and meal plans that do not help you long-term. Ivan is your new to-go coach.
Source: Google
Nikola Obradovic
★ 5
I know Ivan for a years, and since I was always fat and ugly I wanted to give him a chance to transform me.
After a couple of months working with him online, I remain only ugly - but looking sharp now. 💪
Thanks Ivan and the AFP Team! 🙏❤️
Source: Google
Jovan Domba
★ 5
Ivan is an awesome coach and truly knows what he’s doing! His workout plans are always exciting and match my goals perfectly. The meal plans fit right into my lifestyle, and I never feel hungry or deprived. Ivan is super supportive and always quick to answer any questions I have. He has a special talent for keeping me motivated and pushing me to do my best. I’ve made a lot of progress since I began working with him, feeling stronger and more confident every day. I honestly can’t say enough good things about Ivan and highly recommend him to anyone looking for a great fitness experience!
Source: Google
nikola milosavljevic
★ 5
I can't recommend Advanced Fitness Protocol enough! Ivan, the main coach, is absolutely phenomenal. From the moment we started working together he made me feel motivated. His expertise and personalized training program helped me get stronger, leaner, and totally transformed my confidence levels. Every session is a perfect mix of challenge and fun, pushing me to achieve goals I never thought possible. If you're looking to boost your fitness journey and feel fantastic, Ivan is your guy!
Source: Google
Milos trust me
★ 5
The best trainer ever, he gives me online training because I'm from Serbia. He is in charge of my supplementation, diet, training....All recommendation for Ivan...💪💪💪
Source: Google
nitty torres
★ 5
Ivan is absolutely amazing! He’s not only helped me get stronger physically but also mentally. He has me on a personalized nutrition plan and always pushes me, especially when I’m ready to give up. He reminds me to stop doubting myself and that I’m stronger than I think — and he means it.
He’s also incredibly accommodating. There have been times when life happened last minute, and he still found a way to fit me into his schedule. Most recently, he even adjusted my sessions so I could train alongside my 13-year-old daughter. She plays softball and track, and he’s been helping her build strength and confidence too.
I truly appreciate his dedication and how much he cares about
Source: Google
Jana Pavlisová
★ 5
Going back to gym after having a baby was really hard. I felt tired, overwhelmed, and unsure of what my body could handle. But Ivan never let me feel alone in it. He was patient, kind, and always encouraging. Even on days when I didn't feel strong, he reminded me how far l'd come and helped me keep going. Every workout was adjusted to fit where I was at, and he celebrated every small win with me.
Thanks to his support, I've built back my strength and confidence. I'm so grateful for his guidance - it truly made all the difference, because without him I wouldn’t be back.
Source: Google
Kristína Karľová
★ 5
I’ve been training with Ivan for a few months now, and I couldn’t be happier. His workouts are well-structured and tailored to my specific goal. He was able to accommodate my dietary restrictions in meal plan and I feel so much better and have way more energy! Ivan keeps me accountable and pushes me to do my best every week. Highly recommend him!
Source: Google
Richard Pavlis
★ 5
Ivan is an amazing coach! His workout plans are always interesting and perfectly suited to my goals. Meal plans are aligned to my lifestyle and I am never hungry! He’s very supportive, quick to respond, and really knows how to keep me motivated. I’ve seen great progress since I started training with him. Can’t recommend Ivan enough!
Source: Google
Alex Turik
★ 5
Amazing Coach and Experience
Ivan is awesome! He helped me drop from 228 pounds to 200 in just eight months. He keeps track of my nutrition, gives super detailed workout and meal plans, and really keeps me accountable. Every session makes you feel better, look better, and just happier overall. Couldn’t recommend him more!
Source: Google
Danielle Rossen
★ 5
After years away from the gym, Ivan has helped me rebuild my strength and confidence. He’s patient, motivating, and genuinely cares. Two years later, after many injuries and setbacks…I’m fitter and happier than ever!
Source: Google
Alice Koziol
★ 5
Training with Ivan has been amazing! His knowledge keeps me motivated, and I've seen great results. I highly recommend him!
Source: Google
Leslie Kandel
★ 5
I feel very lucky to have found Ivan as a trainer. When I first started training, I worked with a number of people who really didn’t know what they were doing and it was immediately different with Ivan. He’s extremely knowledgeable about training, body mechanics, nutrition, etc. I’ve had multiple unrelated and also longstanding injuries, and he has always been able to figure out a way to work around them so that I’m not hurting myself more, but I’m still seeing results. He is also a great guy and enjoyable to work with, even though he’s making me really work! I’ve gotten to become friends with him personally and I trust him implicitly, which is not necessarily common in this industry. If you’re lucky enough to get to work with Ivan you won’t regret it.
Source: Google
Shirley Bazua
★ 5
Ivan is an incredible trainer! As a mom to a toddler my time is very limited, but Ivan always makes it work! He genuinely cares about his clients and always pushes me to do my best, not just to look good but to feel good and take time for myself.
He’s helped me tremendously over the years, especially getting back into shape after having my son. His workouts are always challenging yet encouraging and he makes sure every session fits where I’m at physically and mentally. Even after an ankle injury, once I was cleared to start training again he made sure to modified everything for me but the workouts remained challenging.
I’m so grateful for his dedication, flexibility and motivation. If you’re looking for a personal trainer who truly cares and helps you stay consistent through life’s chaos, Ivan is definitely the one to go to!
Source: Google
Annette Smith
★ 5
Ivan is a great coach. He is passionate about what he does and is able to help you in all phases of your fitness journey. He focuses on good form, can help with nutrition, supplements, and helps keep you motivated when you need it. Our workouts are different yet powerful each time and always with a continued driving force towards my personal goals…which let’s face it …change weekly. 😆
I also think it’s worth mentioning he is able to modify workouts through injuries and/or surgeries to keep you safe but also still active.
If you’re looking for a personal trainer, Ivan and his team are definitely the way to go.
Source: Google
erin omiatek
★ 5
Ivan is the greatest Trainer ever he has absolute transformed my body he has helped me with my diet and nutrition. Immensely I highly recommend him and his entire staff for training and nutrition help.
Source: Google
Jeff Rossen
★ 5
I signed up for a training session just to see how it would go. Ivan is amazing! He’s motivating (without being annoying) and super knowledgeable and we laughed a lot too. Perfect mix. I am now on my 8th session and I’m already seeing results. And I feel better too. I strongly recommend!
Source: Google