lose up to
1 LB 
of fat per day


“I have lost 24 pounds in just 21 days. I was skeptical but I have to tell you, based on my results, I would recommend this to anyone who’s ever had a problem with getting weight off and keeping it off.“

 ~ Duane Carney*

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Twin Hills Weight Loss is now known as inStriv!

Click Here to visit our new instrivfatloss.com site to start your personalized plan for successful Fat Loss.

(570) 405-9936

"I have lost 24 pounds in just 21 days... I would recommend this to anyone who’s ever had a problem with getting weight off and keeping it off."  ~ Duane Carney*

TWO Locations!

to serve you better

2796 Lycoming Mall Drive 

Muncy, PA

1100 Highway 315

Wilkes Barre, PA

We are Twin Hills

JoAnise Leighow

JoAnise earned her Therapeutic Weight Loss certification and has always had a passion to help other lead a healthy lifestyle. She, along with her husband Dr. Jamie Leighow, have helped thousands of people lose weight and keep it off with a natural sustainable weight loss program. She strives to live out these same ideals in her personal life with her husband, daughter and son on their farm in rural Pennsylvania.  

Wendi Francis

Wendi Francis MS, RD, CPC is a pioneer in her field of food psychology, a best selling author and recognized speaker. Wendi is a registered and licensed dietitian who holds a graduate degree in counseling and education and certifications in trauma, eating disorders, NLP, grief counseling, DISC, life coaching and business coaching. For the past 26 years, Wendi’s distinct advantage resides in her relentless passion for transformative change. Wendi loves spending time with her three amazing children and husband, playing tennis, doing yoga, enjoying outdoor sports and activities.  

Diane Freynik

Diane is a graduate of The Pennsylvania College of Technology with a degree in Food and Hospitality Management, and a specialization in Culinary Arts. She became focused on weight loss and nutrition after the birth of her third son – a pregnancy that left her 60 pounds heavier. Knowing how hard weight loss can be, Diane is passionate about nutrition, health, and wellness, and empathic with our clientele, as she has walked in their shoes.

Cori Paull

Cori has worked in the hospitality, hotel management, and real estate industries, but found her passion in aiding patients on their weight loss journey. Having earned her certification as a Therapeutic Weight Loss Expert she finds joy in seeing those she brings on to our program reach their goals and learn about a healthful relationship with food. Cori is an avid enthusiast with fitness and specifically cross fit. 

Mary Beth Tranovich

Mary Beth began her career path as a Registered Dietitian by earning her bachelor’s degree in Nutrition and Dietetics from Immaculata University, followed by a Master's degree in Nutrition from Marywood University. After six years of schooling and passing her RD Examination in 2020 to earn her status as a Registered and Licensed Dietitian, Mary Beth began her passion of Nutrition counseling and coaching. She is dedicated to positively impact others through her knowledge about food and nutrition. She loves how diet can greatly affect one's overall wellbeing. Mary Beth enjoys running, baking, and spending time with her husband on their family’s farm and homestead.

Laura Lowmiller

With her focus having been emergency medicine as a registered nurse, Laura Lowmiller is dedicated to helping clients navigate the incredibly crowded and confusing wellness space through her knowledge of nutrition with medication management. Laura is passionate about delivering science-based research with practical and safe methods that are easy to apply to every day living. Laura and her husband have two small boys.

Ronda Torres

Ronda has over 30 years experience in the fitness industry as a personal trainer and group exercise instructor, holding certifications in various exercise modalities. Her passion for health and wellness and desire to help people brought her to Twin Hills. In her free time, Ronda can be found enjoying time with her husband and two sons, working on DIY house projects, or listening to podcasts about fitness and nutrition.

Jessica Ryan

Jessica Ryan earned her Bachelors Degree in Business Administration specializing in Human Resources from Ashford University. With four children of her own, she knows a foundation of good nutrition, health, and wellness are a priority, and as a former gymnastics coach, she was also able to share with her students the importance of maintaining overall good health. Jessica is a certified in weight loss counseling as a Therapeutic Weight Loss Expert and enjoys seeing our patients make healthful changes to their lives.

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