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The SLOSS team proactively analyses data to find areas the result in real change to population health, inequalities of care, patient outcomes and health system value. Learn more about the team behind the SLOSS programme.
Martin became Director for SLOSS in June 2024. He has a commissioning background working across the South East London system for nearly 30 years undertaking a number of roles covering hospital, community care, mental health, and primary care services.
Martin has held senior roles leading organisations and partnerships, predominantly in Lewisham and most recently Southwark, as well as system wide collaborations as senior responsible officer for SEL transformation programmes and initiatives in mental health and children & young people.
Dan is the SLOSS Associate Director for Delegation and Efficiencies, leading the transition to specialised delegation, the multi year efficiencies programme, and the team’s analytics work, ensuring data-based insight from a wide range of sources across the whole of specialised services.
Jessie brings her robust experience to the Associate Director of Networks and Transformation, covering Alice Ward’s maternity leave, having worked extensively across the South East London healthcare system. She holds a Master’s degree in Practice Education and has professional qualifications in nursing, health visiting, and leadership.
Jessie’s previous roles have included Deputy Director for Education at King’s Health Partners, where she led workforce development and system wide educational initiatives. She has a strong track record of building networks and driving collaboration across organisations for example recently leading initiatives that integrate mental and physical health services.
(Maternity leave from September 2024)
As the Associate Director for Networks and Transformation, Alice leads the development of South London specialised clinical networks, providing support to network managers and clinical leads to deliver improvements for patients. She also oversees the programme’s pilots to ensure maximum impact to patients and the system. Previous to her SLOSS post, Alice served as the South London Cardiovascular Network Manager.
Loretta is a seasoned project manager with a strong record of driving impactful healthcare initiatives. With a background in Graphic Design from Middlesex University, she transitioned into leading complex projects within the NHS. Her experience spans managing large scale programmes at NHS England and The Hillingdon Hospitals NHS Foundation Trust, with a focus on digital transformation and workforce development. Loretta excels in stakeholder engagement, risk mitigation, and delivering measurable outcomes, such as significant reductions in patient non attendance. She is passionate about promoting healthcare equity and demonstrates a strong ability to navigate cross organisational projects to achieve strategic goals.
Loretta will focus on the SLOSS sickle cell portfolio.
Lauren joined the SLOSS team as a project manager, and will be overseeing the development, co-production and rollout of the South East London (SEL) renal cardiometabolic work. This will include running a pilot in each of the SEL boroughs where a multidisciplinary team will support community case management for those with chronic kidney disease and additional cardiometabolic conditions. She will also look to grow the secondary care aspect of work for patients closer to end stage renal failure. Previously, Lauren has led ICB development and strategic work for South Yorkshire ICB as well as multiple NHS project evaluations.
Adam Bradley is in his second year of the Project Delivery Fast Stream. Previously, he worked in Strategy at the National Crime Agency, as well as spending time working at the Home Office within the emergency services comms programme (ESMCP).
Adam joins the SLOSS team as a Project Manager, focussed on our sickle cell and blood borne virus work.
Geraldine is a dynamic project manager with a robust background in driving transformational change within the NHS. Her academic excellence, coupled with ongoing advanced studies in leadership and business administration, underpins her strategic approach. With experience spanning NHS England, Healthy London Partnership, and South London and Maudsley NHS FT, she excels in managing complex projects, fostering stakeholder collaboration, and delivering impactful service improvements. Her expertise encompasses financial oversight, strategic planning, and a strong commitment to enhancing healthcare equity and quality. Geraldine is adept at navigating cross organisational projects and delivering results.
Geraldine will focus on the SLOSS BBV portfolio.
Giacomo recently joined the SLOSS team as a project manager, and will be overseeing a range of initiatives that aim to improve efficiency throughout South London. Previously, he worked at Oxfordshire County Council managing a programme that integrated their supported transport services.
Danielle joined the SLOSS team as an Informatics Project Manager, and will be producing a data-driven view of specialised services, enabling informed decision making and service transformation. Previously, Danielle worked as a Senior Data Analyst for the Integrated Specialist Medicine clinical group at Guy’s and St Thomas’ NHS Foundation Trust. Here, she supported patient flow and A&E projects by leading reporting and analytics. Before joining the NHS Danielle worked as an academic researcher at Imperial College London after receiving her PhD in Microbial Ecology.
Iesha was promoted to Informatics Programme Manager, having joined the team in July 2023, after two years on the NHS Graduate Management Scheme specialising in health informatics. With a background in mathematics, statistics and informatics, Iesha has been providing enhanced analytic and data capabilities to a range of the team’s specialised projects.
Building on this, Iesha’s role will also involve developing data-driven and informatics approaches to specialised transformation, as well as hoping to support the implementation of digital tools and solutions such as CogStack and AI algorithms.
Andrea is the Business Development Manager for the SLOSS team, with a focus on communications and coordination to amplify the visibility of the team, programme, and resulting impact. Bringing over two decades of experience and an MBA in marketing to the NHS, she has worked across a variety of clinical networks and is passionate about leveraging digital elements to internal and external communications.
Ciara has joined the team in July 2023 as the SLOSS Project Support Officer. Ciara will be primarily working to provide communications support across the programme, and effectively promote the impact the programme has had on populations and communities in South London and beyond. Previously, Ciara worked at the Health Innovation Network, providing project support to the healthy ageing and mental health teams.
Since graduating in 2022, Ani Martirossian has gained experience across the charity and public sectors. Ani worked for the Social Mobility Foundation, integrating sustainability across the organisation’s programmes and operations. More recently, Ani led a procurement project at the National Crime Agency, and has worked in policy and strategy at the Department for Work and Pensions.
Ani joins the SLOSS team as a Project Manager to support the development of a unified family of networks for neurosciences.
Bethan is the Neurosciences Collaboration Manager focused on the delivery of the South West London and Surrey Specialised Neurology Pilot. The pilot is a national exemplar programme for neurosciences transformation and a regional exemplar for specialised delegation. The two-year SWL and Surrey Heartlands Specialised Neurology Pilot was initiated in summer 2022 to reduce variation in neurology services, to deliver more integrated care, closer to home, while escalating to the tertiary centre when most appropriate.

Donna Wallace
Donna joined the team in September 2023 as the pan-London Sickle Cell Improvement Project Manager, covering a number of workstreams, including improving urgent and emergency care pathways, and community services for people living with sickle cell disorder. Donna previously worked within Cardiovascular operations at Guy’s and St Thomas’ NHS Foundation Trust.