🌟 Meet the Founder

Dr. Mary Oluwadunsin Oyeleke, MD, MPH

Founder & International Director, GracedCircle Health Initiatives

Dr. Mary Oluwadunsin Oyeleke is a purpose-driven physician, public health strategist, and global advocate for health equity. She is the Founder and International Director of GracedCircle Health Initiatives, a nonprofit born out of her unwavering passion for reaching underserved populations and transforming community health through sustainable solutions.

With over a decade of impactful experience across clinical medicine and public health, Dr. Mary has worked on high-impact programs supported by the World Health Organization (WHO), the Centers for Disease Control and Prevention (CDC), and other international agencies. She also served as Director of Health and Medical Services at the Florida Department of Health, where she helped lead statewide initiatives in disease prevention, health system strengthening, and emergency preparedness.

Dr. Mary’s journey is defined by a rare fusion of clinical excellence and strategic leadership, grounded in deep compassion for vulnerable populations. From delivering care in underserved rural areas to shaping public health policy in a major U.S. health department, she has continuously championed solutions that bridge gaps and empower communities.

Her dedication to reducing health disparities is not only professional—it is profoundly personal. Through GracedCircle, Dr. Mary channels her expertise, vision, and passion into a global movement for justice in health—driven by the belief that quality healthcare is a fundamental human right, not a privilege.

Dr. Akinwale Akingbule

Dr. Akinwale Akingbule is an experienced internal medicine physician dedicated to improving public health and empowering individuals to take charge of their well-being. He earned his medical degree from Obafemi Awolowo University, Nigeria, where he first demonstrated his passion for health education by founding the live weekly radio program Health on Air. This initiative, along with his television program Wardround in Ekiti State, Nigeria, provided invaluable health education, focusing on disease prevention and management to a broad audience.

Currently practicing in the United States, Dr. Akingbule is committed to promoting healthier lifestyles through personalized care and preventative health strategies. His focus is not only on treating his patients but also on encouraging lifestyle modifications that contribute to improved long-term health outcomes. In Dr. Akingbule’s interest for public health and development, he also possesses a Masters Degree in Public Health.

Dr. Akingbule is also an active researcher, conducting studies that aim to enhance healthcare delivery and outcomes for both hospitalized and non-hospitalized individuals. His research and clinical work are grounded in his commitment to advancing public health through education, prevention, and treatment. 

Aligned with the mission of Graced Circle Health Initiative, Dr. Akingbule is dedicated to making healthcare accessible to all and improving health literacy across communities. His work underscores the importance of education and prevention in achieving complete health and well-being for underserved populations.

Dr. Theresa (Tessy) Odun-Ayo

Dr. Theresa (Tessy) Odun-Ayo is a passionate advocate for community health and empowerment, with a career that bridges education, leadership, and social impact. As the Director of the MSU/Missouri S&T Cooperative Engineering Program at Missouri State University, Springfield, Dr. Odun-Ayo has been a faculty member since 2011, where she is dedicated to preparing the next generation of engineers with a strong focus on service to underserved communities. 

Dr. Odun-Ayo’s professional background spans engineering and public service. Before joining Missouri State, she worked as an Engineering Instructor at the Nigerian Defense University and served as a Principal Electrical Engineer at the Nigerian Airspace Management Agency, where she gained firsthand insight into the infrastructure challenges facing many communities. She holds both a bachelor’s and master’s degree in electrical engineering and two doctoral degrees— a Ph.D. in Electrical Engineering from Missouri S&T and a Doctor of Ministry (DMin) in Leadership from Evangel University. 

Driven by a deep sense of purpose, Dr. Odun-Ayo integrates her expertise in engineering with a commitment to improving public health and social well-being. She emphasizes mental health, wellness, and the liberation of individuals from socio-economic and spiritual oppression through education, faith-based initiatives, and health outreach programs. 

Dr. Odun-Ayo’s leadership extends to global community development with her work continuing to focus on supporting public health initiatives, particularly within marginalized communities. She currently serves as the Pastor of RCCG Covenant House in Springfield, Missouri. Through her faith, education, and engineering background, Dr. Odun-Ayo strives to create lasting change by addressing the interconnectedness of social health, spiritual wellness, and community empowerment.

Her work aligns with the values of Graced Circle Health Initiative, advancing wholesome health and leadership to ensure access to education, healthcare, and empowerment for underserved populations. 

Dr. Tolu Adediwura

DNP

Dr. Tolu Adediwura is a board-certified psychiatric mental health nurse practitioner with a profound commitment to advancing public health and reducing health disparities. Currently practicing psychiatry at Hennepin Healthcare, MN, Dr. Adediwura also serves on the Excellence Council, focusing on improving healthcare delivery, client experience, and staff safety, with emphasis on accessibility for underserved populations. 

Dr. Adediwura’s journey in healthcare began in Nigeria, where he started his nursing education at the School of Nursing Osogbo, Osun State. His career path led him to earn a Post-Basic Diploma in Accident & Emergency Nursing at Lagos University Teaching Hospital (LUTH) and gain invaluable clinical experience as an ER nurse at Reddington Multi-Specialist Hospital and NNPC Medical Center. 

He holds a bachelor’s degree from Minot State University, an MSN, and a Doctor of Nursing Practice (DNP) from the University of North Dakota. His career has been guided by a strong belief that health is not complete without mental well-being. This philosophy informs his advocacy for holistic, accessible, and community-centered healthcare that addresses both physical and mental health challenges.

Dr. Adediwura is dedicated to improving public health through volunteer work and grassroots initiatives, particularly in health literacy, mental health awareness, and preventative care. His focus extends to maternal and child health, health education, and population health, all with a view to achieving equitable healthcare access for all, irrespective of socioeconomic barriers. He actively participates in community health programs that emphasize prevention, education, and wellness. 

A passionate advocate for public health and social justice, Dr. Adediwura works tirelessly to address health inequities in underserved communities. Serving on the board of directors at Graced Circle Health Initiative, he is aligned to the mission of promoting holistic health and empowerment through education, advocacy, and accessible healthcare for vulnerable populations. 

🌟 Meet Toluwalope Temenu, B.Sc, MPH

Board Member & Nigeria Team Lead Graced Circle Health Initiative

Toluwalope Temenu is a dedicated public health strategist, dynamic community advocate, and the Nigeria Team Lead for Graced Circle Health Initiative—a U.S.-incorporated nonprofit working to expand equitable health access across underserved populations in both the United States and West Africa.

With over four years of experience designing and implementing public health programs, Toluwalope brings a rare combination of field expertise, leadership acumen, and cultural intelligence to her role. She leads Graced Circle’s grassroots efforts in Nigeria, overseeing a portfolio of initiatives that span maternal health education, school-based outreach, malaria testing, cervical cancer screenings, and mobile medical missions.

Under her leadership, the Nigerian team has scaled its impact through community-centered strategies that prioritize prevention, health education, and culturally responsive care. She excels at coordinating multidisciplinary teams, mobilizing volunteers, engaging stakeholders, and cultivating trust in communities with longstanding barriers to care.

Toluwalope is particularly passionate about reducing maternal mortality, improving adolescent health, and increasing reproductive health literacy. Her commitment to these causes is evident in her collaborative approach to advocacy—building partnerships with local leaders, NGOs, and health systems to drive sustainable, data-informed interventions.

A firm believer that “accurate information, when shared effectively, can save lives,” Toluwalope ensures every outreach includes a strong educational component, empowering individuals with the knowledge they need to make informed health decisions.

Her work continues to shape Graced Circle’s identity as a trusted, grassroots health partner. Through her vision, integrity, and tireless leadership, she is paving the way for healthier futures—one community, one life at a time.

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