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

Program 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

Program 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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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.

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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.


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.


Susan Albano

Yoga Teacher

Susan first started practicing Yoga in 1995 in order to compliment her athletic pursuits of competitive swimming and running. She is graduate of the 250-hour Teacher Training and 40-hour Yin Yoga Training programs at YogaLife. Today, Susan manages her time as a parent to her two young children and developing her skills as both a Yoga student and a Yoga teacher. She continues to seek out ways to grow her knowledge and share it with others.

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Kelly Rainville

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

Kelly began practicing yoga in 2006 and noticed immediate relief from a particular stressful time in her life. Within a few months decided to deepen her yoga studies with Robert Butera, PhD at the YogaLife Institute in Devon, PA. She has over 1000 hours of Classical Yoga training and is one of the first graduates of the Comprehensive Yoga Therapy training at the YogaLife Institute. Kelly practices yoga as a lifestyle and is committed to teaching the principles of yoga so that students may learn to live a more peaceful, balanced, and joyful life. Kelly also enjoys bicycling, gardening and entertaining friends and family with her husband at their home in Saint Peters Village.

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Sally Rothschild

Yoga Teacher

Sally is a life-long teacher and lover of movement practices. She is a former professional ballet dancer and dance studio owner. She currently teaches at the Pennsylvania Academy of Ballet and works with private clients offering fitness, Pilates and dance training. She also choreographs for several local schools and community theaters. Her love of Yoga drew her to complete her 250-hour teacher training at YogaLife, and she is currently pursuing her 500-hour training. She is honored to continue to learn and grow while sharing the teachings of Yoga with the YogaLife community.

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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.


Mark Moliterno

Mark Moliterno

Yoga Teacher, Yoga Therapist & YogaVoice™ Training Specialist

Mark Moliterno, MM, E-RYT500, C-IAYT, POLY® is an accomplished professional opera singer, voice teacher, yoga teacher, IAYT-certified yoga therapist, workshop leader, and author and is known as a specialist in helping people understand and overcome physical and energetic blockages to their authentic voices. Mark is the founder of YogaVoice®, a unique program which combines the eight-fold path of yoga with user-friendly voice techniques to develop authenticity and wellness in personal communication. Mark is a co-author and featured instructor on The Musician’s Breath Book & DVD. Practicing for 32 years, his classes encourage students to focus on their breathing and personal intention as focal points for physical expression in their yoga postures.

Special Presenters & Workshop Guests

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Linda Dieffenbach

Energy Healer, Life & Relationship Coach

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Kanjana Hartshorne

Yoga Teacher, Couples & Group Yoga Therapist

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