Meet The Team



Certified Nutritionist. Precision Nutrition Level 1 and 2, NASM Nutrition and Sports Nutrition, NESTA Nutrition and Behavioral Coaching

Polina is the owner and founder of 7.7 Nutrition. She has over 12  years of experience working in the nutrition field as a Weight Management Consultant and a sports nutritionist. Polina is a former Bikini & Fitness Competitor and Champion. A gym owner in the past, Polina knows what it takes to help you reach your goals.

15 years ago she began her career as a personal trainer and a gym owner specializing in one on one coaching sessions. Realizing her true passion resided in the nutrition industry, she transitioned specialties and gained experience through National Academy of Sports Medicine and National Exercise & Sports Trainers Association with a specialty in nutrition. 

She focuses on comprehensive, results-oriented, and highly-customized nutrition protocols that promote optimal health. 

Polina enthusiastically continues to perfect her skills at advanced training programs in the evolving nutrition field. She has earned a reputation as a go-to professional in sports nutrition, which allowed 7.7 Nutrition to rapidly become a staple brand within multiple Powerhouse Gyms nationwide. 

Polina continues her education through nutrition and supplements associations and by attending conferences in the health and wellness field.

Polinas team’s commitment to staying informed on the latest advancements and innovative research makes 7.7 Nutrition name second to none. 

Upon her retirement, Polina aims to open a foundation to support homeless animals and all animals in need. Today, Polina is a proud US citizen and a very grateful immigrant, who is thankful for an opportunity to be able to move her parents and her 4 cats from a former USSR and provide them with a life they deserve. 


Yuliya Ostapenko

BS Developmental Psychology, BS Nursing, MS Nursing

Yuliya is a Family Nurse Practitioner and holds her certification through the American Academy of Nurse Practitioners Certification (AANP). After earning Bachelors of Science in Developmental Psychology in 2005 and Bachelors of Science in Nursing in 2011, she pursued Masters of Science in Nursing and graduated in 2016 as an honor student. 

With 3 degrees and over 16 years of experience, Yuliya has a strong passion for preventive medicine. Since childhood, Yuliya wanted to be in the medical field and cared for everyone around to stay healthy. 

Immediately after graduating high school, and without taking any time off, Yuliya entered McAuley School of Nursing in Detroit, MI, where she graduated at the top of her class. 

Specializing in Neurosurgical Trauma at Ascension St John Moross Hospital, Yuliya has a dedication to detail and takes pride in delivering the most exceptional care to her patients. 

Yuliya’s compassion for the community broadened when she got introduced to a holistic approach. She discovered the preventative and healing power behind the herbs and vitamins, and that excited her to be a part of the 7.7 Nutrition team. Today, she is in charge of IV Therapy and Hormone Replacement Therapy department at 7.7 Nutrition. 

When she is not engaged in work, reading or research, Yuliya enjoys spending time with her daughter Mia, and treating her family and friends for nice dinners. 

Stephanie Sall

Stacey Books

Registered Dietitian Nutritionist 

Stacey graduated from Michigan State University in 2005 with a BS in Dietetics and graduated from the Henry Ford Hospital Dietetic Internship Program in 2006 in order to obtain her RDN license. She has completed a Certificate of Training in Adult Weight Management Level 1 and Level 2, through the Commission on Dietetic Registration.

Stacey has practiced as a Registered Dietitian since 2007 in the areas of clinical nutrition, wellness, and management.  She has had several years of experience treating patients with multiple medical problems through medical nutrition therapy.  Her passion is to educate and provide clients with preventative medicine approaches to improve overall health.

From a young age, along with nutrition she has held a strong interest in fitness and in the past has taught group fitness and ran competitively.  Stacey is a mom of three active boys, she enjoys time with family and friends.  She also likes to bake, craft and travel during her free time.

Stephanie Sall

Stephanie Sall

M.A., R.D., L.D.N Registered Dietitian/Licensed Dietitian Nutritionist 

Stephanie graduated with a B.A. in Communication Studies from the University of Michigan in 2010, after which she went on to work in Advertising Sales for a large entertainment broadcast company in NYC. She has always had a passion for health and wellness, and ultimately decided to leave the corporate sales world to pursue a career in nutrition in 2014. 

She spent a few years completing prerequisite coursework and gaining diverse experience in the field of dietetics before she enrolled in graduate school. In 2020, she completed her Master’s degree in Nutrition Science and Dietetics at Syracuse University, where she also served as a Graduate Assistant. She completed her Dietetic Internship at Syracuse University as well. She is new to the Tampa Bay area, and very excited that snowy Upstate New York winters are behind her!

Stephanie is currently an exercise instructor at Pure Barre Brandon, where she loves helping all types of clients reach their fitness goals. She is thrilled to be part of the 7.7 Nutrition team, where she can expand that passion for helping people by empowering clients with the knowledge and confidence to make smarter choices in pursuit of healthier, happier lives. When she is not raving about quinoa and kale, you can find her exploring her new Florida stomping grounds with her husband, and chasing after her 2 very energetic rescue puppies!

Jessica Grafft

Jessica Grafft

Director of Operations, Certified Nutritionist, B.S. Human Performance

Jessica is a graduate of the University of Tampa with a Bachelor of Science Degree in Human Performance, Exercise Science & Sports Studies. Her scope of clients as a Nutrition Technician are; professional athletes, youth athletes, and general weight loss.

As a Certified Life Coach, she specializes in working with behavior modification and accountability. Her passions include Lightning hockey and a strong cup of coffee.


Gabby Singer

Certified Nutritionist & Sports Performance Specialist, M.S., B.S. Health & Physical Education 

Gabby graduated from Monmouth University, where she was a Division I basketball player, with a Bachelor’s Degree in Health and Physical Education as well as a Master’s Degree in Business Administration.

As a multi-sport athlete, Gabby learned the value of training and proper nutrition growing up in her family’s sports performance facility in Pennsylvania. This experience shaped her passion to help others perform at their best. Gabby also holds a Precision Nutrition Coaching Certification, and a love for almond butter and Penn State Football. She LOVES donuts and can’t live without coffee!

Julia Dammon

Julia Dammon

Registered Dietitian

Julia has a Bachelor’s Degree in Dietetics from The University of Wisconsin—Madison and is preparing to become a Registered Dietician.

She has multiple years of experience in healthcare and nutrition. Her goal is to help empower individuals to make healthy lifestyle choices by providing them the right tools and guidance. She is excited to be back in Michigan to help the community she grew up in.


May Ibarra

Certified Nutritionist 

May is a Florida native. She is a graduate of the University of South Florida and certified for Nutrition Counseling through a National Academy of Sports Medicine. 

May’s motivational approach with her clients has led to a remarkable amount of success stories. Her support and genuine nature are incomparable. May is thoroughly invested in each and every individual that enters her office and will stop at nothing to help them achieve their goals.

In a world full of health confusion, May will help you sort through the misinformation and apply nutrition guidelines in ways that are gentle, non-restrictive and health-promoting. 

Growing up, she was a youth athlete in competitive soccer. Her passion for nutrition and personal development has brought her to the 7.7 Nutrition team. 

May enjoys staying active through weight lifting, outdoor walking, and cycling. She also loves to travel and has been to Italy, Germany, and Switzerland. Spain is next on the list!


Taylor Forgione

Taylor received her Bachelor’s Degree in Health Sciences from Oakland University.

Immediately upon graduation, she earned a position as a Dietitian Assistant at Beaumont Hospital where she helped patients in clinical settings for over 3 years. 

Today Taylor strives to help her clients to discover the root cause of their ailments so they can achieve their best self. She loves working with clients who are seeking a balanced, sustainable lifestyle with healthy food. She believes in real food and what it can do for the body.

Passion for a customizable nutrition approach has brought Taylor to a 7.7 Nutrition team. What she loves most about nutrition is that it is unique to each person. It’s not one-size-fits-all. While there are basic concepts that apply to everyone (eat your veggies!), nutrition can be personalized to help you achieve your unique health goals and live your healthiest life.

In her free time, Taylor enjoys trying new workout classes, traveling and visiting new restaurants and coffee shops. 

Stephanie Sall

Joanna Dabish

Nutrition Assistant

Administrative Coordinator and everyone’s favorite go-to girl. She is the “behind the scenes hero”, helping our team to stay organized and ready to provide exceptional care to our Michigan clients.

She is completing her B.S. in Health Science with a concentration in Nutrition, and her passion for health has led her to the 7.7 team. Joanna truly believes that the foundation of our health and happiness comes from a proper diet.

Joanna loves coffee, yoga, and meal prepping. She is a proud owner of 3 pet chickens and her goal is to become a Registered Dietitian and to be able to save the world, one patient, at a time.

Yuliya Ostapenko

Paige Helming

Nutrition Assistant

Paige is currently pursuing her undergraduate degree at Michigan State University for a Bachelor of Science Degree in Nutritional Sciences with a concentration in Global Nutrition and Health. She also has a minor in Environmental Studies and Sustainability. Upon finishing her degree, Paige is hoping to become a Registered Dietitian.

This is Paige’s first position in Nutrition and Dietetics, but she is learning fast along the way.

Paige is extremely passionate about working with people and helping others in any way, especially on their journey to a healthier life. She believes that we are all individuals in our own way and therefore reaching our health goals needs to be designed for your specific needs!

Paige loves staying active especially outdoors and is passionate about physical health as much as I am mental health. Paige loves running, yoga and cooking, She is a big vegan foodie and a coffee-aholic.

She also loves traveling and hopes one day to incorporate that into her career and eventually address nutrition and health on a global scale.


Our Most Requested Services

77 Nutrition Diet Fitness


Whether you want to age gracefully, or have dietary restrictions, we want to help design a plan that helps you achieve your goals!

Stay forever young with…


Weight Loss & NutritionAL Counseling

We help you get to your goal weight, and most important teach you how to maintain it for years to come!

Transformations happen with…



Our founder is a bodybuilding bikini champion who started her practice in the industry. We help competitive athletes wanting an extra edge over their competition.


7.7 nutrition has the most knowledgeable and genuine team of nutritionists. They are very thorough and take the time to get to know you personally and adjust to your needs. They don’t provide “cookie-cutter” diets, they are customized for you personally. I love the accountability their programs provide. Not only that I’ve had FANTASTIC results. I’m sleeping better at night and my energy has substantially increased which is where I was lacking the most. Highly recommended!!

Kristina Cardona

The personalized service Polina offers is unlike any other. Her customized nutrition programs are made to fit even the toughest schedules. She is extremely knowledgeable, patient and caring of all her clients. Great experience.”

Lynn Pham

Gabby + Jessica changed my life!! I seriously cannot recommend 7.7 Nutrition more highly – they are the absolute best and really go above and beyond to get to know you, help you, listen to you, and make you feel like you are making great progress no matter how much or how little it really is. I was so afraid to start the journey with them because I felt ashamed that I needed to get help for my weight, but they always made me feel welcomed, important, and encouraged me to keep going and making progress. Gabby and Jessica helped me lose almost 40 pounds in about 4 months with very little exercise and I cannot thank them enough for helping me get my confidence and life back!!!

Ellie Severson

Nutrition Done Right 

Call us today to schedule an appointment! Our educated, trained, & diverse staff is here to answer your questions!

77 Nutrition Diet Fitness
Our Locations

Tampa, FL
Brandon, FL
West Bloomfield, MI
Novi, MI
Troy, MI

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(813) 895-6600

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