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Michael Johnson


Michael J. Johnson, Esq. was named Chief Executive Officer of Watts Healthcare Corporation in June 2021. Mr. Johnson comes to Watts Healthcare with more than 20 years of experience in managed care, health center operations, and leadership in community-based health systems. Mr. Johnson most recently served as the Chief Operating Officer of JWCH Institute/Wesley Health Centers, the third-largest federally qualified health center in Los Angeles County.

Mr. Johnson devoted his career to community-based health systems after witnessing first-hand the impact of laws, regulations, and policy on underserved and under-represented communities. He is committed to improving the total health and wellness of the communities served by Watts Healthcare.  Mr. Johnson is originally from Redding, California but has been a resident of Los Angeles County for more than 35 years. He holds a Bachelor of Science, Business Administration from Biola University, La Mirada, California, a Juris Doctor from Loyola Law School, Los Angeles, California, and a Certificate in Corporate Governance from Tulane University Law School, New Orleans, Louisiana.


Olusheyi Lawoyin MPH, MBA


Olusheyi (Sheyi) Lawoyin is the Chief Operations Officer at Watts Healthcare Corporation (WHCC), where she is responsible for the day to day operating activities and provides executive leadership for advancing the Watts Healthcare Corporation, with an operating budget of more than $40 million.

Prior to her appointment, she led Patient-Centered Medical Home and Lean care transformation at Clinica Sierra Vista, a network of integrated community health centers, serving the primary medical, dental and behavioral health needs of about 200,000 individuals in Kern, Fresno, and Inyo counties. Prior to this, she was the Director of Operations at a Community Health Center in Northern California and worked in operations and planning with Emory Healthcare and Emory University School of Medicine in Atlanta, Georgia.

With a background in global and community health, she has been a United States Peace Corps volunteer with the Namibian Ministry of Health and Social Services; managed the health portfolio for the Public Affairs Section of the US Consulate General in Lagos, Nigeria; provided program and research support at the Institute of Medicine of the National Academies, and served as an ASPH/CDC Global Health Fellow with the Centers for Disease Control and Prevention.

Sheyi received an MBA from Emory University’s Goizueta Business School and an MPH from George Washington University’s School of Public Health and Health Services.


Haregewoin (Hara) Yohannes, B.S.B.M., M.B.A.

Chief Financial Officer

Haregewoin (Hara) Yohannes has served as the Vice President of Finance at Watts Healthcare Corporation since April 2003 and was appointed Interim Chief Financial Officer on September 26, 2019.  She previously served as Financial Analyst, Manager of Operational Analysis, Director of Finance & Analysis, Controller and Acting CFO.  She has worked at Charles Drew University of Medicine and internationally on the continents of Africa and Asia.

Ms. Yohannes earned a Bachelor of Science degree in Business Management from Pepperdine University Malibu and a Master of Business Administration with an emphasis in Finance from California State University, Long Beach, California


Dr. Oliver Brooks, MD

Chief Medical Officer

Dr. Oliver Brooks has been with Watts Healthcare since 1989.  He was appointed Medical Director on October 16, 2016, and previously served as Associate Medical Director, Chief of Pediatrics and Adolescent Medicine and is the Medical Director for the Jordan and Locke School-based Wellness Centers.  He is also chairman of the quality management committee.

Appointments have included serving on the Executive Committee of Centinela Hospital where he was Chairman of their Peer Review Committee and on the Physician Quality Committee for LA Care Health Plan.  Dr. Brooks is past president of the Golden State (CA) Medical Association and past president of the Miller-Lawrence Medical and Dental Society. In 2019, he was elected to the office of the President of the National Medical Association.

Dr. Brooks holds a degree in chemistry from Morehouse College and a medical degree from Howard University.


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