Meet Your Teachers

As a full-service yoga education center, YogaLife is home to some of the most qualified teachers in the world. Every YogaLife teacher holds advanced certifications in Yoga & Yoga Therapy, and have created areas of specialization based on their professional backgrounds and individual interests! 


The Yoga Therapy components of our teachers credentials are based on their completion of the 820 Hour Comprehensive Yoga Therapy Program, and are not derived from their status as an Registered Yoga Teacher (RYT®) with the Yoga Alliance Registry.

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Bob Butera, PhD

Programs Director

Robert is the founder of The YogaLife Institute. His Classical Yoga roots are from direct study at The Yoga Institute of Mumbai. He holds Masters in Divinity from the Earlham School of Religion and a Ph.D. in Yoga Philosophy & Psychology from the California Institute of Integral Studies.

With over 25 years of continual teaching experience, Bob is known for sharing  Classical Yoga principles in a practical way that connects students with their own divinity. He is the author of 6 books, The Classical Yoga Study Guide, The Pure Heart of Yoga, Meditation for Your Life, Yoga Therapy for Stress and Anxiety, Body Mindful Yoga and the forthcoming Comprehensive Yoga Therapy: The Complete Guide (Llewellyn Worldwide).

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Kristen Butera

Programs Director

Kristen is the owner of the YogaLife Institute and the Program Director for the 250 & 500 hour Yoga Teacher Training and the 820 Hour Comprehensive Yoga Therapy training . She has been studying and teaching yoga for fifteen years, accumulating 3000+ hours of professional training in a variety of styles. Her passion is for training yoga teachers and therapists, creating a learning environment that connects students to modern movement science principles alongside somatic innovations and space for emotional and spiritual processing. She is the author of Yoga Therapy: A Personalized Approach for Your Active Lifestyle (Human Kinetics, 2017).

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Erika Tenenbaum

Yoga Teacher & Yoga Therapist, Vinyasa & Fitness Yoga Specialist

Erika found her home at YogaLife and has been teaching here since 2004. She holds advanced certifications in Yoga & Yoga Therapy. She is also a skin care specialist and manual lymphatic drainage massage practitioner. Erika is a firm believer in the tenets of yogic tradition, she relishes the opportunity to share her yoga vision and experience with her students.

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Albert Cochrane

Yoga Teacher, Massage Therapist, Reiki Master

Al is a gifted massage therapist who has been practicing Yoga, Meditation & Reiki for over 15 years. As a long time member of the YogaLife community, he is thrilled to be teaching at YogaLife. He is a graduate of the 250 Yoga Teacher Training, and a student in the Level 2 Comprehensive Yoga Therapy Training at YogaLife.

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Randi Coen Gilbert

Yoga Teacher & Yoga Therapist, Pre & Post Natal Yoga Specialist

Randi has been teaching at YogaLife since 2001. She holds advanced certifications in Pre & Post Natal Yoga & Yoga Therapy along with her Doula Certification. She also has a Masters Degree in Drama Therapy and works as a therapist, counselor and child advocate. She considers her two children to be her greatest Zen Masters and is constantly learning lessons from them. She loves being a part of the YogaLife community and sharing her practice with others.


Jennifer Hilbert

Yoga Teacher & Yoga Therapist, Neuroscientist

Jen has been dedicated yoga practitioner of over 20 years. She discovered YogaLife in 2004 and has since completed specialized training in Yoga & Yoga Therapy. She has a Masters Degree in Neuroscience, and as a mother and athlete her passions include educating families about the benefits of healthy eating and breath awareness, along with playing tennis, biking, traveling and spending quality time with family and friends.


Jennifer Kreatsoulas, PhD

Yoga Teacher, Yoga Therapist

Jennifer is a dedicated Yoga practitioner of over 20 years. She is the founder of Yoga for Eating Disorders, mother of two girls, a Yoga teacher and Yoga Therapist, and a writer. She is coauthor of the forthcoming book, Body Mindful Yoga: Create a Powerful and Affirming Relationship With Your Body (Llewellyn Worldwide, 2018). She writes and speaks on the healing and empowering practices and philosophies of Yoga. Her Yoga Therapy specialties include eating disorder recovery and body image. Jennifer is passionate about studying Yoga philosophy and connecting and working with new yoga teachers and yoga therapists. Jennifer is deeply honored to be a member of the YogaLife community.


Janet Muti

Yoga Teacher & Yoga Therapist, Yoga Tutor & Kids Yoga Specialist

Janet's yoga life began in 1973 in Germantown with the center that became the Kripalu Yoga Fellowship. She developed a strong connection to the Kripalu community, and she completed her 200-hour certification in 1976, under the mentoring of Yogi Amrit Desai. She joined the YogaLife family in 2010 as a teacher and a student, completing advanced certifications in Yoga & Yoga Therapy, Janet is a retired schoolteacher who worked in the local area for more than 20 years.

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Jane Peronteau

Yoga Teacher & Fitness Specialist

Jane began her educational journey with an M.A. in Counseling Psychology from Immaculata University. As a stay at home mom she began instructing group fitness classes. It was at this time that she fell in love with the practice of yoga. She is graduate of the 250-hour Teacher Training and 40-hour Yin Yoga Training programs at YogaLife. In addition she holds a certification in Reiki Level One. She is also currently pursuing her certification in the 820 Hour Comprehensive Yoga Therapy Training. Jane loves teaching yoga and considers it an honor to share the practice with others.

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Ruth Galli

Yoga Teacher

Ruth has served her family, friends and community as a nurse, health advocate and ecumenical minister for 40 years. Her studies have included Shabda Yoga, Vinyasa, Massage Therapy, Body Talk and Energy work. She also holds a Master’s in Spiritual Science. Her journey led her to Yogalife Institute where she obtained her 250 & 500 Hr teaching certifications.

She continues to work full time in outpatient Orthopedics and Urology for Penn Medicine. Her leisure time is full of activities with family, friends and her two precious grandsons. Reading, hiking, cooking and painting are some of her favorite activities.



Deborah Livingston, PT, DPT

Yoga Teacher, Yoga Anatomy Specialist

Deb was introduced to Yoga while working as a Physical Therapist in an orthopedic hospital setting.  Over the years Deb has integrated a yoga perspective into the biopsychosocial model of healing in the PT setting.  A life-long learner, she completed the 250 hour teacher training at YogaLife.  She is committed to bridging the gap between yoga and medical professionals, teaching continuing education for PTs with the Threes Physiyoga Method. A mother of 3 active sons, Deb has a passion for sport and mindful movement, and is grateful to share her knowledge with the YogaLife community.


Julie Allen

Yoga Teacher

Julie first started to practice yoga in 2001 while living in South Africa. As her practice progressed, she developed a keen interest in the Physical and Emotional benefits she experienced in Yoga. Further studies in Reiki helped her connect to the energy body and become fully engaged in both disciplines.

Julie is a certified and experienced group fitness and indoor cycling instructor with a passion for teaching movement practices. She received her 250 hour Yoga Teacher and Yin Yoga certifications at YogaLife Institute, and she enjoys sharing the teachings of yoga in the pursuit of living a more integrated and balanced lifestyle.

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Drew Sheinen

Yoga Teacher

Drew began his yoga practice in 2003 and realized through the benefits of yoga that he wanted to further his education. He received his 250 & 500 hour Yoga Teaching certifications at the YogaLife Institute, where he is also currently pursuing his 820 Hour Comprehensive Yoga Therapy Certification.

He continues his full-time occupation in the health care industry focusing on population health management and improving patient care. He enjoys spending time with his wife, family and playing with symphonies throughout the local area.

Special Presenters & Workshop Guests

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Linda Dieffenbach

Energy Healer, Life & Relationship Coach

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Catherine Rush

Yoga Teacher & Vocal Coach

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