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Meet the Team

Nutrition Experts: Team Members

Shefali  Ajmera, MS, RDN, LD, CDE.

Lead Dietitian and Clinical Manager

I am a Board Certified Dietitian and Nutritionist who specializes in weight loss, prevention, and Diabetes. I am also an emotional healer, who focuses on mind and body healing and treating eating disorders, anxiety, depression, bipolar disorder and other mental health conditions. I specialize in plant based, vegan and vegetarian diets and have been practicing Foods and Nutrition for over a decade. 
In my personal life, I am a single mother of two gorgeous children and fur babies. I completely understand the challenges and confusion of  trying to navigate Paleo, Keto, Veganism and other “diets” we see on social media …figuring out  what to buy and how to cook, while keeping up with our busy life, working, and still eating healthy without sacrificing our  social life and enjoying restaurant foods. 
At the same time, living in such a divided, judgmental world of masks or no masks, and all the stimulation caused by screens, work, school, family, kids, dating, marriage etc , comes with lots of pressure and high expectations of  succeeding in each area.  This can create anxiety and/or depression, panic attacks, and other mental health problems. Well,  you are not alone and I would love to help your mind and body get fit, strong and balanced – by using a combination of nutrition science, whole foods, and the teaching of life skills to mobilize your emotional healing abilities.

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Iris Federmann-Birch, CCA

 Office Manager and Hot Sculpting Specialist

I moved to the US from Germany in December 2018, where I worked as a nurse, as well as a volunteer for the American Red Cross at an Army Medical Clinic in Germany.

 I am a certified medical coder and am currently studying Medical Billing and Coding at Central Texas College. I've been married to my husband since 2006.

In my free time, you can find me at the barn with my horse “Hondo,” or hiking with the family and our two dogs.

My personal interests also include plant based nutrition and trying out new vegan recipes.

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Amanda Sakr-Amiouni, MSc,ANutr.


I graduated from Drexel University with a BS degree in Nutrition and Foods. I proceeded to get my MSc in Clinical and Public Health Nutrition from University College London (UCL) in order to expand on my knowledge in nutrition and gain skills that would allow me to target a larger clientele, who are motivated in improving their health.

I worked as a Health and Nutrition Coordinator at a school working with children of all ages and building goals with their parents.

My goal is to help my clients achieve their health-related goals that will allow them to sustain a healthy lifestyle.

My personal interests include traveling, exercising at the gym, reading, and cooking mediterranean dishes.


Karen Zern Flanagan, RDN.

Registered Dietitian

I have been practicing Dietitian since 1986, working in areas of weight loss, eating well during cancer treatments, diabetes management, and family nutrition. I know that “one size fits all” isn’t true and together we can figure out what is best to improve your overall health. 
I’m a graduate of Texas A&M, married, with 3 grown sons who grew up hearing “where’s the color on your plate?”.
You’ll find me walking, biking, cooking, and reading in my spare time.


Wendy Lopez

Nutritionist Assistant

My name is Wendy Lopez. I have a degree in Nutrition and Food Science from the Universidad Autónoma de Tamaulipas in Mexico. I obtained a certification as a Health Coach in Families, Adults and Seniors from Dr Sears Wellness Institute in order to update and expand my knowledge and skills.
I recently moved to Texas from Arizona in September 2021 where I had the opportunity to work as a health educator in Family Wellness Program of St. Vincent de Paul educating people on prevention and management of chronic diseases through nutrition, physical activity, and overall wellness.
My goal is to guide, help, motivate and educate people to make positive changes in their diet and lifestyle for them to enjoy good overall health.
I am married and I have a beautiful daughter who is our motivation for me and my husband to be better on all aspects of our life.  I enjoy spending quality time with my family during my free time.


Cynthia Knight

Administrative and Nutritionist Assistant

I moved to the Austin area from west Texas where I studied biology at Sul Ross State University. Human nutrition and wellness has been my passion for almost two decades. I believe our food choices, stress levels, sleep habits, and nutrient deficiencies are the root cause of most health problems today.  With supervision under the lead dietitian I help our clients implement meal plans and lifestyle changes without dieting or extreme exercise routines.  I have been married for nine years and we have three children. I love to cook, bake, and take nature walks with my dog.


Nicole Khan, BS, MS.

Nutritionist Assistant

I enjoy taking time and learning about each individual patient and creating plans specific to their needs. My goal is to set patients up for success and make eating and being healthy an easy choice.

I also love implementing foods that are relevant to one’s culture so there is a sense of familiarity and comfort. I focus on positivity and encouragement.

I understand that making a big life decision to shift eating habits, whether it be becoming vegan, avoiding processed foods, losing weight, etc. can be scary. I will walk you through the entire process and be your cheerleader!

My education is in nutrition and dietetics. My area of expertise is mindless eating and functional health. I am a published researcher, former professor, and current founder/CEO of a nutraceutical company, Lanai Hemp (

I have a unique way of approaching preventative health and nutrition. Let’s talk and see how I can help you achieve your health and wellness goals!


"Coming together is a beginning, staying together is progress, and working together is success."

Henry Ford

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