Steve has worked with people who use drugs for almost 30 years.

He was the lead GP for substance use in Birmingham and was heavily involved in the city’s massive expansion of shared care.

He was the RCGP’s West Midland Lead for substance use for seven years and since 2010 has been the Clinical Director of SMMGP and a columnist for DDN.

Steve joined Cranstoun, as part of our merger with Swanswell, and leads on Cranstoun’s clinical management and quality governance.

Danny is a registered mental health nurse and integrative psychotherapist.

Danny has worked in the substance use field for over 20yrs and is a staunch harm reductionist and advocate for people who use drugs.

Danny is passionate about ensuring people who use clinical services have access to all evidence based interventions available and that interventions are delivered in a trauma informed compassionate manner.

Selina is a globally renowned expert in governance, sustainability and legal regulatory work. She has more than three decades of experience in some of the world’s leading law firms, including as a partner, and recently as a non-executive director of two FTSE 250 funds.
She has a long track record of leading in large organisations in areas including corporate governance, ED&I, ESG, financial services regulation, human capital and risk.
Selina also brings leadership experience in the charity sector through her time as Vice-Chair of Refuge and Trustee of the sustainability organisation Changeworks.

David has worked in the charity, private and government sectors at Addaction, Scope, Unilever, PA Consulting, Serco and Agilisys over the last 30 years. His focus is on leading change through sound business planning and project/programme management. He now works as an executive coach.

Matthew is a Senior Lecturer in Criminology at the University of Sheffield’s School of Law. He is an interdisciplinary researcher with expertise in policing, drug policy and qualitative methods. Matthew’s research broadly focuses on evidence-based policymaking, the complexities of police operating environments and the impact of policing interventions. His recent research has been concerned with innovation and reform in drugs policing, especially diversion and other harm reduction measures. Matthew also brings his experience from leadership roles in higher education and police-academic partnerships in knowledge exchange, enhanced training and research co-production.

Alastair has over 25 years of executive and non-executive experience within the not-for-profit sector, primarily with health causes, and with a focus on income generation, engagement and commercial development. He is currently Director of Income & Engagement at Arthritis UK.

Gail is a Professor in Addictions Healthcare Research at King's College London. She has almost 30 years of research experience in the field. Her research takes a gendered approach to understanding and improving treatment and support for people who use substances and have other co-occurring issues including intimate partner abuse, mental health and bloodborne viruses. Prior to joining King's in 2013, she has held NHS and academic research posts in the UK, Australia and Spain.

Andy is the Owner and Managing Director of Cogent Content, providing communications support for people and organisations with a great story to tell. Andy has created content for senior figures across business, academic and politics. He has worked across four continents delivering training and services.

Andy served as a trustee with the drug and alcohol support charity Swanswell from 2014. Swanswell completed its merger with Cranstoun in 2021. He is a Fellow of the Royal Society of Chemistry and a Member of the Chartered Institute of Public Relations.

Jenni is a senior public service leader with over 20 years’ experience in strategic commissioning and service transformation across criminal justice and community safety. She has designed and led complex multi agency programmes focused on violence reduction, trauma informed practice, early intervention and improving outcomes for vulnerable people. Jenni brings extensive expertise in evidence led commissioning, contract and performance management, and system redesign, supported by postgraduate qualifications in business and related fields. She is committed to social justice, partnership working and person centred, lived experience led approaches.

Winston is a retired international financial director. He has held senior financial positions in a number of multinational groups. Additionally, he served as the Group CFO for small and medium sized listed groups. He brings significant commercial experience gained mainly in the manufacturing sector. Winston is a member of the Chartered Institute of Management Accountants.

Siobhan Mackintosh is a senior clinical governance leader with extensive experience in healthcare risk management, quality assurance, and regulatory oversight across global health and insurance services. She currently serves as Group Global Director of Clinical Governance at Bupa, where she leads the development and delivery of enterprise-wide clinical governance strategy, clinical assurance programmes, and clinical risk management to support safe, effective care and improved outcomes.
Siobhan has a strong track record of advising executive and board-level committees, strengthening global clinical governance systems, and embedding a culture of continuous learning and improvement. She also brings regulatory insight through her previous role as a Specialist Advisor to the Care Quality Commission. Her background as an Advanced Nurse Practitioner underpins her practical understanding of clinical care delivery alongside strategic oversight.
She is committed to promoting high standards of governance, patient safety, and organisational accountability, and brings a collaborative, evidence-based approach to board-level decision-making.

Laura has spent the last 20 years of her career working in senior HR roles. She has worked in the private sector and more recently in the charity sector, with health and social justice charities.
As well as her expertise as a senior HR professional, she brings significant commercial and strategic experience. She is committed to supporting organisations to create meaningful, long-term change for the communities and individuals they serve.

Marie is a highly accomplished digital leader with over 20 years of experience driving large-scale digital transformation and technical innovation across the corporate, public, and non-profit sectors. She is recognised for her ability to align complex technology and data ecosystems with overarching strategic goals to deliver organisational growth.
Marie’s career includes leading major digital, data, and AI-driven initiatives at prominent organisations. An expert in navigating modern technology landscapes, she has a proven track record of modernising digital estates, scaling agile product teams, and leveraging advanced data analytics to enhance user experiences and optimize operational efficiency.
Alongside her extensive corporate and public sector leadership, Marie brings valuable insight into the charity sector through her previous work as Chief Digital Officer (CDO) for Guide Dogs. She is deeply passionate about digital inclusion, accessibility, and using technology responsibly to drive positive social impact.

Chirag is a digital marketing leader with a strong background in driving growth for global brands. As a trustee, he brings strategic insight to support the charity’s mission. With years of charitable and community-focused experience, including as a former police officer, he is dedicated to enhancing community engagement.