ICPA Board of Directors
Heidi Washington
Governor Rick Snyder appointed Heidi E. Washington as the director of the Michigan Department of Corrections in 2015 and she was then reappointed by Governor Gretchen Whitmer in 2019. As director, she is responsible for overseeing the administration of Michigan’s correctional system, which includes the state’s prisons, probation and parole supervision, the Parole Board, and other administrative functions, in addition to managing a $2.1 billion budget.
Director Washington has served in multiple leadership positions during her career with the Department of Corrections. She was warden of Charles E. Egeler Reception and Guidance Center and Duane L. Waters Health Center. She also held positions as warden of Robert Scott Correctional Facility and administrative assistant to the department’s executive bureau and director, where she provided oversight for the Legislative Affairs Office and represented the MDOC before the Legislature. She has additionally served as acting assistant deputy director, overseeing the 19 prison facilities in the southern region of the state, and acting operations administrator for the Correctional Facilities Administration. She joined the MDOC in 1998 as a legislative assistant after working for the Legislature for several years.
Director Washington holds a Bachelor of Arts degree in political science from Michigan State University and a law degree from Thomas M. Cooley Law School. In 2017, she was named Public Official of the Year by Habitat for Humanity of Michigan for her outstanding vision, dedication, and commitment to excellence, and she was also named the Newsmaker of the Year by the Grand Rapids Business Journal for creating the Vocational Village, the nation’s first skilled trades training center for prisoners. In 2018, she received the national Tom Clements Award for her vision and innovation in corrections. Director Washington also serves on the Executive Committee for the Correctional Leaders Association and serves as their Midwest Regional Representative.
Kim Ekhaugen
Kim Ekhaugen has held the position as Head of International Cooperation in the Directorate of Norwegian Correctional Service since 2014. This includes managing the EEA/Norway Grants for prison and probation service projects with a total value of 150 million EUR in 6 European countries – Romania, Poland, Latvia, Lithuania, Czech Republic and Bulgaria. He is responsible for a bilateral programme with Russia, and a KDI project office in Ukraine. In addition to the abovementioned, Mr. Ekhaugen has the responsibility for the cooperation with USA through the joint programme with Amend, as well as overall international cooperation outside the given bilateral and multilateral agreements.
Mr. Ekhaugen has more than 30 years of experience from the Norwegian Correctional Service. His career includes working on all levels, starting as a prison officer, advancing to various management positions, including being a prison governor in Oslo prison (at that time the largest prison in Norway). Mr. Ekhaugen was also responsible for conducting a pilot project in a halfway house, focusing on interdisciplinary action between prison staff, probation staff and social workers. This model was introduced in year 2000 and became a model for all halfway houses in Norway. Mr. Ekhaugen has also held the position as lecturer at the University College of the Norwegian Correctional Service.
During the last 10 years, Mr. Ekhaugen has had an international career, which has included being seconded by the Norwegian MFA as Head of Mission to the Norwegian Rule of Law Mission to Moldova (Norlam) from 2010-2013. In Moldova, Mr. Ekhaugen was responsible for projects in the correctional field related to management and organizational structure, dynamic/organizational/static security, the role of prison officers and probation officers. Enhancing cooperation between prison and probation services were keywords, and establishing a pilot prison for minors with emphasis on European standards and values was his focus.
Mr. Ekhaugen likes to emphasize the principle of normality in the Norwegian Correctional Service, and is genuinely interested in making a difference to the better for people.
David Brown
Ivan Calder
Ivan Calder, DrPH(c), MBA, MSc, RMN, believes that people in prison should have access to safe, respectful healthcare and that staff need practical support to deliver it. His work brings together custodial operations, clinical care and public health, with an emphasis on listening to practitioners, building trust across disciplines and making improvements that can be sustained.
Ivan is CEO of Health through Walls, where he leads international correctional health partnerships. Alongside this role, he works in correctional healthcare operations with Centurion Health in Maryland, United States. Earlier in his career, he served in Australia as Assistant Commissioner of Custodial Operations, Warden and Director of Addiction Programs. He has also been Managing Director of a for profit healthcare enterprise. These roles have shaped his belief that lasting improvements depend on cooperation between custody, healthcare teams and the communities to which people return.
Ivan advances correctional health thought leadership through research, publications and professional exchange. His co-authored work has appeared in The Lancet Public Health, The Lancet Obstetrics & Gynaecology, Drug and Alcohol Review and the Journal of Criminological Research, Policy and Practice. His publications address perinatal care, addiction treatment, rehabilitation and reintegration, and the use of technology to improve health in prisons. He has reviewed articles for Emerald Publishing and delivered a keynote in Australia on achieving the greatest health impact in resource-limited and war-torn settings.
Ivan chairs the ICPA Healthcare Network and serves as its international liaison with the African Correctional Healthcare Network. He values the exchange of knowledge across countries while recognizing that solutions must fit local needs and resources. He combines evidence, operational judgment and respect for lived experience. A Doctor of Public Health candidate at Indiana University, he is researching AI-assisted tuberculosis screening in an African prison.
Fatih Güngör
Terry Hackett
Terry Hackett is an internationally recognized correctional expert with more than 30 years of experience across domestic, international, and conflict-affected environments. From 2018 to 2025, he served with the International Committee of the Red Cross, most recently as Head of the Persons Deprived of Liberty Division in Geneva. In that role, he led global policy and operational practice concerning prison, police, military, migration, and conflict-related detention across more than 30 countries.
Before joining the ICRC, Terry spent 22 years with Correctional Service Canada, progressing from Correctional Officer and Parole Officer to Warden and Assistant Deputy Commissioner for Correctional Operations in the Pacific Region. He also served as Canada’s senior correctional official in Afghanistan, supporting national correctional reform and detention oversight.
Terry is currently a Senior Associate with the International Centre for Criminal Law Reform and Criminal Justice Policy and a Principal and Co-Founder of Praesora Consulting. He advises governments, international organizations, and correctional authorities on prison reform, institutional governance, infrastructure planning and design, technology, and operational leadership. He regularly serves as a UNODC expert, supporting efforts to advance implementation of the Nelson Mandela Rules through effective prison management.
A member of ICPA for more than 15 years, Terry was a founding member of the Editorial Board of Advancing Corrections and recently served as Global Track Chair at the 2026 ICPA Prison Technology and Infrastructure Conference. He is a frequent international speaker, author, and facilitator.
Terry holds a Master of Advanced Studies in International Law in Armed Conflict from the Geneva Academy and a Master of Arts in Human Security and Peacebuilding from Royal Roads University. His Canadian honours include the Corrections Exemplary Service Medal, the Operational Service Medal and Bar for Afghanistan, and the Queen Elizabeth II Diamond Jubilee Medal.
Rob Jeffreys
Matthew Yik Keong Wee
Matthew Wee Yik Keong joined the Singapore Prison Service (SPS) in 1998. He was appointed Commissioner of Prisons on 1 April 2026, having previously served as Deputy Commissioner of Prisons (Operations and Rehabilitation) from August 2023. In his 27 years of service, he has held key appointments in SPS, Yellow Ribbon Singapore (YRSG), Yellow Ribbon Industries (YRI) Pte Ltd and the Ministry of Home Affairs (MHA), including CEO of YRSG and concurrently CEO of YRI, Commander of Cluster A, Director of Community Corrections Command in SPS, and Deputy Director (Civil Defence and Rehabilitation), Policy Development Division in MHA.
As CEO of YRSG and YRI, he steered both organisations through the COVID-19 pandemic while leading organisation-wide transformation, restructuring and rebranding. Under his leadership, the Yellow Ribbon Fund raised a record $8 million between 2020 and 2022 to assist 16,000 ex-offenders and their families, and YRI's financial performance improved by over 250%, with net profits channelled into supporting inmates, ex-offenders and their families.
Matthew graduated from the Public Service Leadership Programme (PSLP) and was appointed a Public Service Leader in the Singapore Public Service in January 2024.For his distinguished service, he was conferred the Public Administration (Bronze) Medal in 2013, the Long Service Medal in 2021, and the Public Administration (Silver) Medal in 2023 by the President of the Republic of Singapore.
He holds a Bachelor's Degree in Business (Hospitality and Tourism Management) from Nanyang Technological University, a Graduate Diploma in Social Work and a Master's Degree in Public Policy from the National University of Singapore, and completed the Senior Executive Programme at Stanford University Graduate School of Business, where he was nominated as the graduating cohort speaker.
Marayca Lopez
Dr. Marayca Lopez i Ferrer devoted her entire career, both academic and professional, to the philosophy and practice of prison reform. She holds three advanced degrees in the field of Criminal Justice.
Marayca started her career in academia, completing her practical training as “jurist criminologist” at Can Brians Correctional Facility (Barcelona, Spain). After attaining her PhD, she moved to the USA in 2004, graduating from Rutgers University with a M.A. in Criminal Justice. As the granddaughter of a formerly incarcerated person, she always felt that, to some extent, there was a gap between the “teachings inside the classroom” and the “real field work”. As such, Marayca left academia and moved to the private sector where she has been providing services as justice planner since 2006, working for two architectural firms: CGL (Steve Carter/Bob Goble) and DLR Group (present job). In this capacity she has helped to plan and program juvenile and adult facilities that are holistic in their approach, preserve human rights, are safe and humane, promote rehabilitation, and are focused on innovative operational and programmatic initiatives for positive outcomes and successful re-entry.
Marayca’s experience is international in scope. She has visited facilities in Africa, America, Australia, and Europe, and has worked on justice reform projects and prison studies both domestically (USA) and abroad (e.g., Australia, Canada, Europe, Central and South America), resulting in a deep understanding of correctional best practices, operations, and prison management models worldwide.
Marayca is actively involved with different international organizations that share the common goal of advancing the field of corrections and elevating the rehabilitative ideal and have an on-going collaboration with the Correctional Association of New York, the UN Friends of Corrections, the Inter-American Development Bank, and Penal Reform International on issues related to restorative justice and the humanization of correctional facilities through right-sized, dignifying, and trauma-informed prison infrastructure.
Moses Cyrial Ngawaite Chihobvu
A distinguished leader whose life has been defined by dedicated national service. A proud veteran of Zimbabwe’s liberation struggle and his commitment to the nation spans both pre- and post-independence eras. After serving with distinction in the Zimbabwe National Army in several key leadership roles, I was seconded to the then Zimbabwe Prison Service in 1999. Through unwavering commitment and professionalism, I rose through the ranks and was appointed the second Commissioner-General of Zimbabwe Prisons and Correctional Service (ZPCS) in November 2020, a position I continue to hold with honour and excellence. My tenure has been marked by transformative leadership, strategic foresight and a results-driven approach. I have championed major reforms, including the establishment of Zimbabwe’s first Female Open Correctional Institution, now a model in the SADC region. I am also promoting innovation, institutional self-sustenance and offender rehabilitation to support successful reintegration. A regional thought leader, fostering collaboration through information exchange programmes across SADC, Africa and the whole world. I am also internationally recognised for my visionary leadership. The accolades include the Grand Commander of the Zimbabwe Order of Merit, the Liberation and Independence Medals, ICPA’s 2024 Head of Service Award and the Outstanding Correctional Excellence and Leadership Champion Award. I was also bestowed with an Honorary Doctorate in Leadership, and I am currently at an advanced stage, pursuing a Doctorate in Strategic Management. A committed public servant, a devoted family man and a passionate community-focused farmer, exemplifying servant leadership in both personal and professional life.
Nadya Radkovska
From 2009 until 2020, she took the position of Head of the newly formed unit "International Cooperation and Professional Training of Staff" in General Directorate “Execution of Sentences”. In 2020, she was appointed as Commissioner, Head of the Department for International Cooperation and Training of Staff. In 2015, she has been elected as a member of the Council for Penological Co-operation (PC-CP) in the Council of Europe and in 2020 she was elected as Chair of PC-CP. In this capacity she is involved in drafting recommendations and guidelines aiming to support the Member states in their efforts to introduce standards, effective practices and solution. In this respect aa an examples are the adopted Guidelines regarding recruitment, selection, education, training and professional development of prison and probation staff, CM/Rec(2018)8 of the Committee of Ministers to member States concerning restorative justice in criminal matters, CM/Rec(2018)5 concerning children with imprisoned parents, Recommendation on the European Rules on community sanctions and measures, Guidelines for prison and probation services regarding radicalization and violent extremism, (Revised edition) Rec(2006)2-rev on the European Prison Rules.
In 2020 she has been elected by the European Commission as Chair of the Radicalisation Awareness Network (RAN) Prisons Working Group. Ms. Radkovska has been part of various UNODC missions in Uzbekistan, Kazakhstan, Tajikistan and Iraq on the field of radicalization and violent extremism in prisons (Returning Foreign Terrorist Fighters Detention Program funded by the Counter-Terrorism Bureau of the US Department of State). She is consultant of the Council of Europe in the frame of projects in Armenia, Moldova, Western Balkans and MENA countries in the area of prison management, training of staff, probations, radicalization and violent extremism in prisons.
In July 2024, she has been elected as member of the United Nations Interregional Crime and Justice Research Institute (UNICRI) – Penal Reform International (PRI) Expert Working Group for a “Green Prisons Research Initiative”. Ms. Radkovska has graduated Psychology and Counterterrorism at New Bulgarian University. She is PhD Candidate in Organisational Psychology at Sofia University. She is fluent in English and French language.
Emily Salisbury
Emily Salisbury, Ph.D. is an Associate Professor of Social Work at the University of Utah. Trained as a public criminologist, she is internationally recognized as one of the founding scholars of the gender-responsive corrections paradigm and has spent more than two decades translating her research into practice across U.S. and international contexts.
She is co-founder and Research Director of the Women's Risk Needs Assessment (WRNA) and its counterpart for men, the Men's Risk Needs Assessment — the only validated, digital risk assessment and intervention ecosystem designed specifically around gender-responsive and trauma-informed principles. The WRNA has been implemented across more than 100 domestic and international jurisdictions, and her research has directly influenced the treatment of tens of thousands of justice-involved women worldwide. Building on this foundation, she is also the founder of the SAFE mobile recovery app supporting health and well-being for clients and used as a staff responsivity tool. Her work has secured nearly $8 million in grant funding from U.S.-based federal agencies.
Dr. Salisbury served as an expert witness before the U.S. Commission on Civil Rights and the Canadian Human Rights Commission and currently serves as a Commissioner on the Council on Criminal Justice's Women's Justice Commission, chaired by former U.S. Attorney General Loretta Lynch. She is co-author of the widely used text Correctional Counseling and Rehabilitation and is former Editor-in-Chief of Criminal Justice and Behavior. Her scholarship has earned recognition including the Marguerite Q. Warren and Ted B. Palmer Differential Intervention Award from the American Society of Criminology and the University of Utah's Presidential Societal Impact Scholar Award.
A longtime member and contributor to ICPA, Dr. Salisbury has delivered training and technical assistance to correctional services across Europe, Africa, and Asia, translating research into practical tools correctional professionals can use to improve outcomes for the people in their care.
Christopher Siegersma
Christopher Siegersma has served as Chief Executive Officer of Malta’s Correctional Services Agency since January 2023, leading a national programme of correctional reform that combines secure custody with rehabilitation, education, healthcare, purposeful activity and reintegration. He directs a multidisciplinary workforce of more than 500 employees and has strengthened governance, professional development, digital case management and evidence-informed decision-making across the Agency.
Before his appointment as Chief Executive Officer, he served as Malta’s first Commissioner for the Welfare and Development of Persons in Prison. In this independent oversight role, he monitored conditions of detention, access to services and the welfare and development of persons in prison, while providing recommendations to support national policy and service improvement.
Mr Siegersma has a substantial professional background in mental health nursing and previously held senior clinical and managerial positions within Malta’s child, adolescent and community mental health services. He holds bachelor’s and master’s degrees in mental health nursing and is undertaking doctoral research in mental health, governance and policy.
He regularly represents Malta at meetings of the Council of Europe’s Council for Penological Co-operation and participates in Council of Europe meetings and activities concerning prisons, probation and the implementation of European standards. He is also actively involved in EuroPris meetings and professional exchanges. Under his leadership, the Correctional Services Agency hosted the 15th EuroPris Annual General Meeting in Valletta in June 2026.
He co-organised the 31st Council of Europe Conference of Directors of Prison and Probation Services in Malta. As an active member of the International Association for Correctional and Forensic Psychology and its Correctional Mental Health Leadership Network, he contributes to international dialogue on correctional mental health, staff support and evidence-informed practice.
Makgothi Thobakgale
Mr Makgothi Samuel Thobakgale is the National Commissioner of the Department of Correctional Services (DCS), South Africa, having been appointed to the position in October 2022 after serving as Acting National Commissioner from September 2021. Prior to this, he served as Chief Deputy Commissioner responsible for Incarceration and Corrections. With more than 19 years of senior management experience in the South African public sector, Mr Thobakgale has held several executive leadership positions across correctional services, public works, infrastructure, economic development, transport and community safety. His career includes serving as Deputy Director-General in the National Department of
Public Works and Infrastructure, Administrator and Accounting Officer for the North West Provincial Department of Public Works and Roads under a Section 100(1)(b) Constitutional Intervention, and Head of Department in various provincial government departments.
Mr Thobakgale currently serves as the Chairperson of the African Correctional Services Association (ACSA), where he promotes cooperation, knowledge sharing and professional development among correctional administrations across the African continent.
Throughout his career, he has led large-scale institutional reform, governance improvement, infrastructure development and service delivery enhancement programmes. His expertise includes strategic leadership, correctional administration, offender rehabilitation, policy development, stakeholder engagement, financial management and organisational transformation.
Mr Thobakgale holds a Bachelor of Commerce Degree from the University of KwaZulu-Natal, a Bachelor of Commerce (Honours) Degree from the University of South Africa (UNISA), postgraduate qualifications in Executive Development, Prevention of Fraud and Corruption, and Crime Prevention.
He is committed to advancing correctional excellence, rehabilitation, international collaboration and the professional development of correctional practitioners worldwide.
Kathleen Van De Vijver