Bernard Gyebi-Foster, Executive Director of Tuerk House, Ex-Officio

Bernard Gyebi-Foster, LCPC

Bernard Gyebi-Foster is trained as a Licensed Clinical Professional Counselor (LPC). He completed his undergraduate degree from Virginia Commonwealth University where he received a Bachelor of Science degree in Psychology. He continued his education at Liberty University to complete his graduate degree in Professional Counseling, and is currently pursuing an MBA in Leadership from Regent University.

In 2011, Mr. Gyebi-Foster became the clinical director of Tuerk House. In November of 2016, he became the interim executive director, where he oversaw the day-to-day operations of the agency. In March of 2017, he became the permanent executive director of Tuerk House.

When he is not immersed in finding ways to combat the debilitating disease of addiction, he serves as the pastor of Impact for Christ Community Church, a neighborhood church he founded in Edmondson Village in 2016. He is married to Juliet Gyebi-Foster, MD, an anesthesiologist-trained pain physician. Together, the couple has three beautiful children.

Mayra Diaz, CAC-AD

Mayra Diaz is a certified associate alcohol and drug counselor (CAC-AD) and certified alcohol and drug approved supervisor. She holds a Bachelor of Science degree in Human Services from Hilbert College in New York.

Ms. Diaz has been with Tuerk House since 2013, starting as a substance abuse counselor before becoming lead counselor. In 2016, she became the clinical supervisor and is currently the director of clinical programs and operations. She has more than 15 years of substance abuse experience working with diverse populations including chemical-dependent, homeless, community corrections, and prison populations. Her greatest passion is bringing healing to people who have struggled with an addiction.   

Ms. Diaz is a Puerto Rican native who moved to Maryland in 2006 from upstate New York. She is a proud mother of two beautiful young girls, Jaslyn and Jada. 

Kisun Peters
Director of Finance

Kisun Peters received his master’s in science from Johns Hopkins University and is pursuing a master’s in business association from the University of Pittsburgh.

Kisun began at the Tuerk House in 2019 as an Intake Specialist and, from 2019 to 2022, was influential in developing Tuerk House’s Research & Development, Data, and supply chain departments. In 2022, Kisun became the Director of Business Development and Project Management, and in 2024, the Director of Finance.

Outside of his day-to-day at Tuerk House, Kisun advocates for health equity and works to provide health care to at-risk populations. In 2022, he started Rooted Healthcare, a healthcare organization that partners with shelters, faith-based organizations, and food pantries in metropolitan areas to provide somatic and mental health care to homeless and disadvantaged populations.

Kisun enjoys spending time with his family, playing guitar, and running with his dogs in his free time.

Kofi Owusu-Antwi, MD
Medical Director

Dr. Owusu-Antwi is board certified in Internal and Addiction Medicine. He graduated from the State University of New York, Albany, with a bachelor of science in biology and from The American University of the Caribbean in Saint Maarten, with a Doctor of Medicine. He completed his residency training at University of Maryland School of Medicine, Midtown Campus, where he also was a fourth-year chief resident. Dr. Owusu-Antwi has an indispensable passion for teaching and mentoring residents and medical students in conjunction with providing quality patient care.

Chris Maynard

Chris Maynard
Director of Fund Development

Chris Maynard brings to Tuerk House more than 20 years of philanthropic experience, highlighted by his service with the Maryland Food Bank, Loyola University Maryland, and Big Brothers Big Sisters of The Greater Chesapeake. He currently serves on the board of directors of HealthCare Access Maryland and Winter Grace Senior Ministries, and is very active with the membership committee for Leadership Howard County.

Mr. Maynard completed his Master of Non-Profit Management degree from Regis University in December of 2016 and is also an alumnus of Fairfield University in Fairfield, Connecticut. He and his family reside in Howard County.

Albert M. Arrington, CSC-AD
Site Manager, Howard House

Albert Arrington began his affiliation with Tuerk House in 1989 when he arrived at Weisman-Kaplan House for continuing support for his 27-year drug addiction after completing the 28-day adult residential treatment program at Perry Point Veterans Hospital.  After a year of involvement with the AA Program, Mr. Arrington was honored with election to secretary of the weekly AA Sunday Meeting Program at Tuerk House. He served in this position for one year.  

Mr. Arrington’s career with Tuerk House began as a part-time night monitor, advancing to a full-time counselor position June 1992. Since then, he has been promoted to numerous leadership roles, including clinical supervisor, coordinator of the Veterans Initiative Outpatient Program (1998), and site manager of the Weisman-Kaplan House (2009). In 2010, Mr. Arrington was named the site manager of the Howard House and, in 2019, he oversaw the move of Howard House to its current location in Ellicott City. 

During his tenure at Tuerk House, he has participated in the Chemical Dependency Counselor Associates of Arts degree program at Dundalk Community College and is now a certified supervised alcohol and drug counselor (CSC-AD). Mr. Arrington is also very active with the Lansdowne Church of God, where he became a lay pastor in 1994 and currently serves on the pastor’s board. In 2011, he and his wife, Brenda, started the church’s Celebrated Recovery Program, a Bible study programs for individuals suffering with addictions and counseling their families.  

Director of Crisis Stabilization Center &
Integrated Behavioral Health Services

Maud Aryee is a dual-certified Family Nurse Practitioner and Psychiatric Mental Health Nurse Practitioner who specializes in substances use disorders, addiction, mental/behavioral health and somatic disorders. She completed her Bachelor of Science in Nursing at Stevenson University in Maryland. She earned her Master of Science and Family Nurse Practitioner degrees from Walden University in Minneapolis, Minnesota and her Psychiatric Mental Health Nurse Practitioner degree from Wilkes University in Pennsylvania. She holds National Board Certification with the American Academy of Nurse Practitioners (AANP) as a Family Nurse Practitioner, and with the American Nurses Credentialing Center (ANCC) as a Psychiatric Mental Health Nurse Practitioner. She a is member of the American Society of Addiction Medicine (ASAM).

Maud has been practicing nursing for more than 22 years and has an extensive background in critical care, pain management, surgery, emergency medicine, cardiovascular, pulmonary, gastrointestinal, and endocrinological diseases. She is passionate about providing quality care for persons with substance use and mental disorders and believes in a holistic approach to quality care. Maud is known for her wonderful bedside manners and compassionate care.

In her spare time, Maud enjoys cooking and traveling with her daughters.

Ophelia Dapaah-Gyimah, FNP-BC
Director of Medical Services

Ophelia Dapaah-Gyimah is a board-certified family nurse practitioner. She completed her undergraduate degree from University at Buffalo where she received a Bachelor of Science in Nursing. She continued her education at CUNY Lehman College to complete her graduate degree in Master of Science in Nursing in Family. She is currently pursuing a dual degree at Johns Hopkins University in Doctor of Nursing Practice and MBA. 

In 2019, she joined the Tuerk House as a Family Nurse Practitioner. In 2020, she became the lead nurse practitioner, where she oversaw the Maryland Crisis Stabilization Center. She is currently the Director of Medical Services.  She has an essential passion in bringing healing and comfort to the sick while providing quality patient-centered care.

She is a dedicated wife to her husband, and a mother to a beautiful girl.

Felicia Sam, DNP
Director of Compliance and Infectious Control

Dr. Felicia Sam is the Director of Infection Control and Patient Safety. She earned her Doctor of Nursing Practice/Adult Gerontology Nurse Practitioner and her Bachelor of Nursing degrees from the Johns Hopkins School of Nursing here in Baltimore, Maryland. She worked as a critical care nurse clinician in the neuro ICU at Johns Hopkins Hospital in downtown, Baltimore. She later moved on to pursue travel nursing. She has more than seven years of critical care, intermediate care, medical-surgical, progressive care, and home health experience working as a travel nurse while pursuing her doctoral degree. 

She is a Cohen scholar and a recipient of the Helen Fuld Leadership Scholarship for the Advancement of Patient Safety and Quality which prepared her with exceptional competencies for promoting quality and safety. Her diverse clinical experience and passion for safety and quality improvement fueled her doctoral project: Improving Compliance with Infection Control Practices: A Quality Improvement Project. She is currently working towards her Certification in Infection Control.

She is a member of the American Association of Nurse Practitioners, Gerontological Advanced Practice Nurses Association, Association for Professionals in Infection Control and Epidemiology, and the Sigma Theta Tau International Honors Society of Nursing-Nu Beta Chapter.

She is married and blessed with a beautiful child. She spends her leisure time travelling around the world with family and has been to almost all the continents.

Joshua Owusu-Gyimah
Director of IT and Privacy at Tuerk House in Maryland

Josh is the Director of IT and Privacy at Tuerk House in Maryland, where he is responsible for overseeing comprehensive IT security measures and technological upgrades. He holds a Bachelor of Arts in Information Systems from Rutgers University. His key projects are all aimed at enhancing operational efficiency and security compliance.
Prior to his current role, he enhanced supply chain operations as a Supply Chain & Logistics Manager at Tuerk House beginning in July 2022 and provided strategic insights in implementing technology solutions that enhance supply chain efficiency.
Outside of work, Josh is an avid fan of professional basketball, football and soccer, and he enjoys traveling with his family.

Director of Clinical Services

Rena Card joined Tuerk House as director of clinical services in March 2024. With a master’s degree in social work and twenty years of hands-on experience, Rena’s commitment to addressing complex social issues as well as her work with individuals who are in need is a true asset to Tuerk House and the mental health and addiction community.

A true leader, Rena has collaborated with various organizations and government agencies to develop and implement programs that address mental health, substance abuse, and child welfare challenges faced by vulnerable populations throughout her career. Rena’s client-centered approach and ability to develop genuine connections with individuals has contributed to the success of numerous interventions.

As a social worker, Rena exemplifies the values of compassion, empathy, resilience, humility and authenticity, which have a lasting impact on the lives she touches.

Rena is passionate about professional development and attends multiple social work trainings, conferences and ongoing educational opportunities each year. She is also a proponent of self-care and mental health awareness in and out of the workplace.



Afua A. Addo-Abedi, B.M.Sc., M.B.A., Pharm.D.
Director of Pharmacy

Afua AAbedi is a residency trained, dual board-certified board pharmacist with a passion for addiction medicine. She completed her undergraduate degree at The University of Western Ontario where she received her Bachelor of Medical Science. She then completed her Dual PharmD/MBA at The University of Maryland and University of Baltimore.  

Dr. AAbedi, joined the Tuerk House as the Director of Pharmacy in May 2023. In her role, Dr AAbedi aims to provide a wide range of pharmacy services to the Tuerk House clients and the community as a whole.

Board of Directors

Dr. H. Duante Duckett
Board Chairman

Dr. H. Duante Duckett is a native Baltimorean. He serves as the pastor, along with his wife Dr. Diane A. Duckett, of New Kingdom Faith Christian Church of Severn, Maryland. He has been preaching the gospel of Jesus Christ for 21 years.

Pastor Duante believes that the word is true in Matthew 9:37 “The harvest is plentiful, but the workers are few.” “Expanding the Kingdom by Executing ministry an Excellence” has become his personal theme for ministry.

Pastor Duante is deeply committed to presenting his whole life as a personal sacrifice for the kingdom of God. This is evident with his personal commitment to the ministries at New Kingdom Faith Christian Church. He believes you can never do too much for the kingdom.

Pastor Duante believes that continuing education is vital to advancing the kingdom. He currently holds an Associates degree in Information Management from the Community College of the Air Force, a Bachelors of Science degree in Business Management from the University of Phoenix and a Master of Divinity degree from Howard University School of Divinity. He completed his Doctor of Ministry degree at the Ashland Theological Seminary this year.

Pastor Duante recognizes that his family is the cornerstone of his ministry. He has been married to Pastor Diane for 32 years. They have 3 children, DeAirra, Diamante and Devin.

Richard Greene

Richard Greene, Treasurer
CFO of Total Health Care

As chief financial officer of Total Health Care, Richard Greene oversees all finance functions, including revenue cycle, financial reporting, grants, treasury management, and financial analyses. He is responsible for guiding the financial strategies and setting the financial priorities of Total Health Care.

Mr. Greene is both a CPA and attorney. While working as an attorney, Mr. Greene was the chief counsel to the Baltimore City Department of Finance, providing legal opinions and counsel to that department. He has more than 20 years of experience in the health care field. Prior to joining Total Health Care, Mr. Greene worked in both the private and public sectors in health care. He served as the CFO  for Behavioral Health Systems of Baltimore, Baltimore Mental Health Systems, and Woodmore Health, and as accounting manager for Baltimore City Hospitals’ long-term care division.

Mr. Greene is a graduate of the University of Baltimore School of Business and its School of Law. He holds a bachelor’s in accounting and a juris doctorate in law. He also holds an MBA from Morgan State University and a master’s degree in legal letters from Georgetown University.


Hosanna Asfaw-Means
Director of Community Health Investment
Johns Hopkins University & Johns Hopkins Health System

Hosanna Asfaw-Means is a seasoned public health professional with more than 15 years of experience working in the public health arena. As the Director of Community Health Investment, she leads community health investments across Johns Hopkins University and Johns Hopkins Health System.

Prior to joining Johns Hopkins Ms. Asfaw-Means was with CareFirst, where she was responsible for managing community giving and social impact efforts in Maryland. She has also managed the Childhood Lead Prevention Program with the Baltimore City Health Department, a home-visiting program geared to prevent lead poisoning to Baltimore City residents, and served as a research fellow and senior program manager at the American Legacy Foundation (Legacy). Over the course of her tenure with Legacy, she provided technical assistance and training for several Legacy grantees, as well as took the lead role in launching community outreach efforts for a smoking cessation pilot program in Baltimore, MD and San Antonio, TX.

Ms. Asfaw-Means received her public health master’s degree in health promotion/disease prevention from The George Washington University, and her undergraduate degree in organizational studies from the University of Michigan, Ann Arbor. Ms. Asfaw-Means is a member of the Baltimore City Head Start Board, and co-chair of the Health Funders Affinity Group with the Maryland Philanthropy Network.

Danny Bellamy

Danny Bellamy,
CEO of Total Health Care

Prior to joining Total Health Care as the Chief Executive Officer (CEO), Danny Bellamy demonstrated over 30 years of experience in the management and development of health care programs that impact Medicaid and commercial populations. With significant experience in direct health care delivery, operational implementation and negotiation of health plans, hospital services and contracts, Mr. Bellamy served as the senior operating executive for a specialized health plan that provided comprehensive services including case management to Medicaid SSI eligible beneficiaries as well as developing reimbursement strategies for services delivered to people with chronic conditions.

Mr. Bellamy has an extensive history with the HSC Health Care System, having previously served as its director of contracting and business development, and director of rehabilitation services at the HSC Pediatric Center. He has demonstrated experience managing over 150 employees in health care delivery ranging from primary care, managed care and hospital-based services. His background includes extensive government contract negotiations along with data analytics to support the development of stakeholder and health care provider relationships along with implementation of advance preparations for the valuation and acquisition of health care entities. Before joining HSC, he was a managing partner at MCA Washington, DC, where he was responsible for the start-up and overall management of a multi-specialty physician practice and multi-disciplinary allied health care entity. Mr. Bellamy served as a senior manager at the Greater Southeast Healthcare System long-term care division where over saw wellness programs and community based services funded by various foundations.

Mr. Bellamy has a Bachelor’s degree from Georgia Southern University and is currently seeking a Master’s degree in Health Informatics. He is a board member for the Maryland Association of Community Health Centers and has served as a board member for the Medicaid Health Plans of America. He has also served on the Jurisdictional Advisory Committee on Early Childhood Development.

William N. Burgee

William N. Burgee
Director of Property Acquisitions and Relocation, Department of Housing and Community Development

Bernard Gyebi-Foster, Executive Director of Tuerk House, Ex-Officio

Bernard Gyebi-Foster, LCPC
CEO, Ex-Officio

Bernard Gyebi-Foster is trained as a Licensed Clinical Professional Counselor (LCPC). He completed his undergraduate degree from Virginia Commonwealth University where he received a bachelor’s degree in psychology. He continued his education at Liberty University to complete his graduate degree in professional counseling, and is currently pursuing an MBA in leadership from Regent University.

In 2011, Mr. Gyebi-Foster became the clinical director of Tuerk House, and in 2016, he became the interim executive director, where he oversaw the day-to-day operations of the agency. In March of 2017, he became the permanent executive director of Tuerk House and in 2023 became CEO.

When he is not immersed in finding ways to combat the debilitating disease of addiction, he serves as the pastor of Impact for Christ Community Church, a neighborhood church he founded in Edmondson Village in 2016. He is married to Juliet Gyebi-Foster, MD, an anesthesiologist-trained pain physician. Together, the couple has three beautiful children.

Adrianna Moore, MSW
Social Worker
Board Member

Adrianna Moore is a social worker with ten years of experience working in the Baltimore area serving mission driven organizations. She is an administrator respected for building and sustaining relationships. Adrianna graduated from the University of Hawaii with a B.A. in political science and holds a master’s of social work from the University of Maryland. She lives in Baltimore with her family.

Christopher Pitts
Senior Program Specialist, Capital Impact Partners
Board Member

Christopher joined Capital Impact Partners in September of 2021, and currently serves as a senior program specialist for the DMV market. Christopher has spent the past 10 years in the social sector, providing solutions and strategies for communities of color. Most recently, he served as a portfolio management analyst for the Washington Area Community Investment Fund.  Additionally, he served as the impact investing associate for Enterprise Community Loan Fund. He provided support for capital raising, as well as investment operations and marketing, including reporting support for the Impact Note program, a $40 million investment program financing affordable housing and community facilities.

In 2020, Christopher was selected for Leadership Greater Washington’s Rising Star program and Leadership Essentials, a leadership development program created by Leadership Howard County designed for rising stars in the county.

Christopher is a graduate of the University of Michigan-Ann Arbor and holds a bachelor’s degree in psychology, and currently is pursuing his MBA at the University of Maryland, Robert H. Smith School of Business.