Nana Ohemaa Agyiriwa, II, the Asona Aberadehemaa of Larteh, Ghana is the Queen Mother of the indigenous Akan people of Ghana, Africa, and, specifically, the Asona and Aberade Clans. She joined the lineage of the historic family who served as the aboriginal landlords of the region. Since 2000, her philanthropic activities in Ghana supported school scholarships, projects to repair and build schools, and for clean hygienic water. She has also served in the USA from the base of the Asona Aberade Shrine in Philadelphia, Pennsylvania as the Queen Mother who has engaged in community service. This has included using her skills as an academic, writer, and editor to contribute 9 books through the non-sectarian arm of the Shrine (i.e. StarSpirit Press); and, through the StarSpirit organization her service has included co-creating cultural events and activities for community health, education, and healing damaged identity from oppression.

Known professionally as Barbara C. Wallace, PhD, she is a licensed clinical psychologist with a record of service in the field of chemical dependency treatment and trauma resolution. Spanning four decades, she has worked as a psychologist in private practice, and a provider in outpatient treatment centers and residential therapeutic communities. Dr. Wallace was the first African American woman to move through the ranks and attain tenure in the 100-year history of Teachers College, Columbia University in Morningside Heights, New York City. She set the institutional record for graduating more doctoral students than any other faculty, including those from diverse and global communities (N=168). As the Founding Director of the Annual Health Disparities Conference and Research Group on Disparities in Health, she created a magnet center and pipeline for training Black, Indigenous and People of Color health scientists. To care for her mother, she retired early from the college in 2023 and was honored with the status of Professor Emerita of Health Education.

She completed a one-year internship with Her Holiness Jagadguru Sai Maa Lakshmi Devi in 2016, learning techniques for healing trauma that combined Eastern philosophies, Western therapeutic techniques, and energy medicine. Of note, H. H. Sai Maa is the first female Jagadguru (world teacher) in the 2,700 years of the Vishnuswami lineage, while embodying the Divine Feminine, and being acknowledged as a living Saint. As a devotee of Sai Maa, Nana Ohemaa became part of the Vishnuswami lineage, and travelled to India with Sai Maa for the historic year 2025 exceptionally propitious event known as the Maha Kumbh Mela (rooted in ancient Hindu culture), which was marked by a rare 144-year planetary alignment (Triveni Yog).

In 2014, Nana Ohemaa represented the indigenous Akan people of Ghana, Africa as one of the 33 indigenous Spiritual Leaders and Wisdom Keepers at the Hidden Seeds of Natural Healing & Curing event near Napa Valley, California. Nana Ohemaa remains devoted to assisting humanity at this time of the Great Awakening.