Meet Our Team

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LaBrisa Williams

Founding Executive Director

As leader of the Tulsa Birth Equity Initiative team, LaBrisa drives innovation to ensure families in Tulsa are equipped to have healthy births with dignity. A Tulsa native who earned her BS from the University of Oklahoma, before joining TBEI LaBrisa worked in teen pregnancy prevention for three years and served as a Peace Corps Volunteer in Botswana, focusing on HIV prevention and capacity building. A 2021 Aspen Institute Healthy Communities Fellow, LaBrisa is deeply passionate about addressing health disparities within communities of color.

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Hannah Ralston

Hospital Quality Improvement Officer

As the Hospital Quality Improvement Officer for TBEI, Hannah provides ongoing training and technical assistance to key hospitals in Tulsa County. A graduate of Oklahoma State University, she brings to TBEI a decade of program management and process improvement experience in nonprofits and the public sector. Hannah also trained as a doula through TBEI and serves on the policy committee for the Coalition of Oklahoma Breastfeeding Advocates.

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Shamika Antwine-Boone

Community-Based Doula Program Manager

Shamika has served families for over 20 years, in related fields ranging from birth support, childcare, education and child welfare. With a BA in Sociology from Langston University, Shamika currently serves as both a community-based doula and the supervisor for the rest of the TBEI Doula Team. She is passionate about bringing birth back into the community to support parents in controlling their own experience.

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Mariana Anguiano

Community-Based Doula

Mariana came to Tulsa, Oklahoma, as a teenager from Chicago, Illinois, and joined the Strong Tomorrows program at Nathan Hale High School where she graduated. Having previously served in the education field as a teacher’s assistant, she currently serves her community in helping to guide students as a community-based doula. Mariana serves expectant and parenting teens. She is also the first Strong Tomorrows alumna to join the TBEI Doula Team.

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Ashlee Wilson

Hub Doula Program Manager

Ashlee is an experienced birthworker and is certified in both birth and postpartum work. After having her own children, Ashlee became increasingly interested in birth and postpartum doula work, deciding to fully make the move to full-time in November of 2019. She has an overwhelming passion to help mothers go through and come out of the experience of pregnancy, childbirth, and postpartum feeling empowered and proud of every decision they have made. Ashlee is a Doula every day to her friends and family in so many ways and is so excited to be able to extend that service to the women of the Tulsa area. Ashlee currently serves as both a community-based doula as well as supervisor of the Community-based Doula Hub Program.

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Brittany Stewart

Community-Based Doula

Brittany is a Tulsa-area native, proud to be born and raised here with strong ties to family and church. With a self-described “soft spot” for the people who live in North Tulsa, she is delighted to be serving moms in our community with her caring doula services.

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Natalie Peterson

Community-Based Doula

Natalie is a graduate from Oklahoma State University and has an Associate Degree in Dietetic Technology from Oklahoma State University in Okmulgee. She has over 10 years of experience working with women who are pregnant, going through childbirth and postpartum needs as a Nutrition Assistant for Women Infant and Children (WIC. As a Certified Lactation Specialist, she looks forward to this experience to continue serving women in her community as a Certified Doula.

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Jyra Lowrance

Community Engagement Fellow

Jyra is delighted to be serving the needs of parents in the Tulsa area. A Hampton University graduate originally from Rock Hill, SC, Jyra is passionate about making strong community connections, promoting TBEI initiatives, and advocating for diverse, inclusive, equitable solutions in maternal health for all in Tulsa.