Who we are 


Sandra Maurer

"Terra Firma creates a space where women can safely explore the connection between their mental and physical health, and build their own capacity for trusting the safe and solid ground beneath their feet, wherever they go."


Sandra is a Registered, Experienced Yoga Teacher with Yoga Alliance (E-RYT) through the Yoga Life Institute in Pennsylvania, Certified Birth Doula (Birth Arts International), BA in Art Therapy (Arcadia University), Trauma-Informed Yoga Trained through Center for Yoga and Trauma Recovery and Firefly Yoga International.  She has over 10 years teaching experience as a yoga instructor, and has worked for many years in mental health as a social worker and yoga teacher for the Emily Program.  She has additional training in Yoga for Anxiety & Depression (Yoga Center of Minneapolis) and Prenatal Yoga (Dhyana Yoga).

Her focus as a Trauma Support Specialist is on helping women feel empowered in their relationships with their bodies and honoring the connection between our mental and physiological health.

Sandra is committed to creating an inclusive and supportive space where women can deeply and authentically connect with the messages and wisdom of their bodies—a space free from competition, comparison, or emphasis on external measures of success or progress. Whether in recovery from an eating disorder, dealing with grief, loss, or stress, or recuperating from a traumatic event, our bodies are integral to our psychological and emotional healing.

Sandra is a mother of 3 children, one set of twins and lives with them and her husband near a big spruce tree in St. Paul, MN.  She believes that laughter, sleep, and water can solve most daily problems and is not afraid to use her New Jersey background to get real and honest with people.  She loves hiking and fireplaces and reading long books. 

Sandra says "I gave up long ago trying to make people "well" by my personal definition.  I learned as a doula that holding space for people is one of the most valuable gifts you can give them and that requires being present and willing to make mistakes. It also requires balance within and without. I hope I can continue to hold space for others for the rest of my life as they create their own paths of hope, transformation, and healing. "

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Angela Zaun Ollswang

"Our intention is to hold space for people as they navigate their own healing journeys. We recognize that each individual knows themselves better than anyone else, and it’s our job to simply offer tools that might empower them as they explore these healing practices.”

Angela is a certified Trauma Center Trauma Sensitive Yoga (TCTSY) Facilitator and Co-Founder of Terra Firma Wellness, LLC. TCTSY is an evidence based, adjunctive clinical treatment for Complex Trauma and Posttraumatic Stress Disorder that was developed by Bessel van der Kolk, David Emerson & Jennifer Turner in collaboration with The Trauma Center in Brookline, MA. She receives supervision through the Justice Research Institute’s Center for Trauma & Embodiment in Boston, MA.

Angela currently facilitates Mind Body Movement Groups at North Memorial Hospital in their Therapeutic Skills PHP, and their Trauma-Focused IOP. She also leads movement groups at The Mother Baby Program in their Day Hospital and Perinatal Outpatient Program, working with mothers who are receiving treatment for postpartum mood disorders. Angela is thrilled to be collaborating with the Center for Victims of Torture to hold space for refugees and individuals seeking asylum. Additionally, she works with clients individually and in group settings in partnership with Wild Tree Psychotherapy. She also has previous experience as a trauma-informed yoga teacher at The Heights, a residential treatment center for women recovering from chemical dependency.

Angela is committed to holding space for others as they navigate their own unique healing journey. She understands that each individual is an expert of their own experience, and hopes to empower her students by honoring their truth while providing mind-body tools.

Angela is also a Registered Yoga Teacher through Yoga Alliance and holds additional certifications in Restorative Yoga (Yoga Center of Minneapolis) and Usui Reiki (level II Devanadi School of Yoga & Wellness). She loves hiking and canoeing and eating donuts.

Angela is interested in collaborating with other treatment centers, hospitals and mental health clinics to bring mind-body services to their clients and/or patients.

Angela says, " I acknowledge that the work is never truly done, and I don’t pretend to have all of the answers. I will make mistakes, but believe that true failure only happens when you stop being open to feedback and learning new things, or refuse to take appropriate action. I hope you’ll join me on the mat some time! I’m sure there is much we could learn from each other. "

Terra Firma is grateful to partner with the following skilled and experienced facilitators:


Sarah Zuber

Sarah Zuber is an experienced registered yoga instructor and continuing education provider (E-RYT, YACEP) who has been teaching in the Twin Cities since 2013. She completed her 200 & 500 hr certifications through Green Lotus Yoga & Healing Center with Gwen Linden Bruzek and Marcia Appel. Additionally she has trained in trauma-informed and social justice oriented yoga both locally and in Los Angeles with Hala Khouri (MA, SEP) and Kyra Haglund (MSW, SEP).

Sarah teaches at the Emily Program, a national center for eating disorder treatment based in Minnesota, as part of their integrated treatment model. Sarah has taught classes specific to eating disorder recovery, addiction recovery, and improving body image, both at the Emily Program, and as an offering at various psychotherapy clinics. She’s an avid collaborator with mental health providers and is committed to supporting each of her clients’ healing journeys with the mindfulness and resourcing tools available from yogic tradition. Sarah is a skilled, compassionate, and mindful instructor. She is committed to sharing yoga as a life-long tool for self-regulation, resilience and well-being. Known for her soothing voice and grounded presence, Sarah is passionate about facilitating a safe and supportive environment for all to be fully embodied and fully alive.

Off the mat, Sarah enjoys living in South Minneapolis with her partner and rescue dog and is an active theatre artist and musician.

Photos of Co-Founders: Anna Campbell of 1515AC photography