Meet the team
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Meet the team
Adam Stringer
Co-Founder and Director of OneCall24 Healthcare
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Adam Stringer has over 15 years of experience in complex care provision and nursing-led care. Throughout his career, he has collaborated with the NHS, Integrated Care Boards (ICBs), case managers, and private clients to provide high-quality, personalised care to individuals in their homes. Adam’s passion for care began early, as he was a key caregiver for his mother, who lives with a complex physical disability. This experience profoundly shaped his career, giving him firsthand insight into the value of person-centred care.
His extensive experience in healthcare has enabled him to build strong, high-performing teams that deliver exceptional client outcomes. Adam is deeply committed to quality and believes that leading with care excellence ensures everything else will follow.
As Adam often says:
“The client and their person-centred care needs always remain at the heart of everything we do. If we lead with quality, everything else will follow.”
Caroline Cairns
Head of Clinical Development
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Caroline Cairns is a registered adult nurse who qualified in 2000 from King Alfred’s University College in Winchester. Her passion for healthcare started in her teenage years through her involvement with St John’s Ambulance. She began her career in the NHS, later transitioning to private health providers, where she developed expertise in managing complex care packages.
Over her 20-year career, Caroline has led care projects for patients with ventilation needs, acquired brain injuries (ABI), and spinal injuries. Her experience spans a variety of settings, from hospitals to home-based care, ensuring her clients receive optimal care tailored to their needs. Caroline’s guiding principle is:
“Would I want my family cared for like this?”
In her spare time, Caroline enjoys paddleboarding and walking her dog along riversides, finding a balance between work and personal life.
Chloe Joseph
Senior Operations Manager and Registered Manager
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Chloe Joseph brings nearly a decade of experience in health and social care, working with social workers, CAMHS teams, case managers, and the NHS. Chloe’s journey started with hands-on roles as a Healthcare Assistant (HCA) and Peer Mentor before she moved into management positions, eventually overseeing Learning Disability homes.
Her passion for complex care is rooted in personal experiences with a close family member who has multiple medical conditions, including brittle epilepsy, blindness, scoliosis, and respiratory vulnerabilities. This personal connection gives Chloe unique insight into the challenges families face, inspiring her commitment to making a positive difference in every client’s life.
Chloe’s approach is driven by a person-centred philosophy. She ensures that clients and their families remain at the heart of every service she delivers.
Philomena Odumenya
Registered Manager
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Philomena is a qualified nurse and midwife with many years of experience to date. As a clinical lead, she has over 11 years’ experience within the Healthcare recruitment industry. Her career this far has taken her to different heights, from delivering patient care within worldwide renowned UK hospitals to filming a 3 series TV healthcare programme with Doctor Christian Jessen. Her passion is to continue achieving clinical excellence and maintain high standards in management & practice.
Donna Mullikin
Clinical Services Manager
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My name is Donna, I live in Cornwall, I’m a registered nurse, I trained as an adult nurse at Plymouth university. I have worked in healthcare for 27 years in various settings. I have been working in complex homecare since 2011 as a lead nurse then progressing into Nurse Manager. Complex care is my passion, I believe everything that we do should focus on the person and their unique circumstances, delivering person-centered care throughout.
Melanie Raufi
Nurse Manager
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Hello, I’m Melanie, and I am a Registered Adult Nurse with many years of experience in various fields including chemotherapy administration and palliative care. I worked for the NHS until 2008 when I went to work in the community with private health providers. I have now been working within complex care for 6 years. My vision is to provide a flexible care approach and aim for the highest quality of care and support for individuals that have bespoke complex and changing needs.
Dahima Smith
Nurse Manager
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Sian Shelton
Paediatric Clinical Lead
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Sian Shelton brings 28 years of experience in paediatric nursing, with a wealth of knowledge gained both in the UK and overseas. Her career has taken her from hospital wards to prestigious children’s hospitals in New Zealand, where she gained expertise in intensive care, A&E, and paediatric forensic work.
Sian’s passion lies in delivering nurse-led, client-centred care within family homes, ensuring children can reach their full potential with optimal support. She enjoys working alongside like-minded colleagues who share her passion for providing excellent care.
Erika Olajos
Nursing Team Manager
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Erika Olajos has been a nurse since 2003 and has extensive experience across various complex care roles. She joined OneCall24 Healthcare in December and has quickly become an integral part of the team. Erika’s passion for care is rooted in her desire to provide high-quality, compassionate support to patients and their families.
Reflecting on her experience with OneCall24 Healthcare, Erika says:
“Since joining, I have observed and received amazing support from everyone. I am excited to continue my journey towards clinical excellence with OneCall24 Healthcare.”
Kareena Symons
Clinical Lead
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Kareena Symons has been a qualified nurse for 24 years, initially specialising in children’s nursing. Throughout her career, she has supported children and adults, ensuring they receive the care they need to live fulfilling lives.
Kareena’s passion for nursing extends beyond her professional life. As a single mother, she spends much of her free time with her daughter, attending horse shows and caring for their animals. This balance between personal and professional responsibilities has given Kareena a unique perspective on delivering patient care with empathy and understanding.
Antonina Bunea
Clinical Lead
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Gabby Bunea has extensive experience working in Intensive Care within a military hospital. Her time in the ICU has shaped her approach to nursing, teaching her the value of patience, compassion, and continuous learning. Gabby is passionate about critical care and thrives on learning from her colleagues to improve her practice.
“Being a nurse is not just a profession for me; it’s a calling that drives my commitment to compassionate care.”
Gabby’s open-minded approach allows her to connect deeply with patients, ensuring every individual receives care tailored to their needs.
Maria Micu
Clinical Lead
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Maria Micu has always wanted to become a nurse, finding joy in helping others. Since arriving in the UK nine years ago, Maria has worked in various nursing settings, steadily progressing from a Healthcare Assistant (HCA) to her current role as a Community Clinical Lead.
Her dedication to hands-on care and commitment to learning have shaped her career. Maria takes pride in supporting individuals and providing high-quality care to meet her patients’ unique needs.
Andy Vasey
Paediatric Clinical Lead
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Andy Vasey is a registered paediatric nurse based in North Devon with 12 years of experience across hospital settings, hospices, and community care. His career includes work in high-dependency units, A&E, and children’s wards. Since 2018, Andy has focused on complex home care, finding great fulfilment in supporting children with complex health needs.
Andy views complex care as a privilege, enabling him to provide personalised support within family homes. Outside of work, he enjoys exploring the beaches of Devon and Cornwall with his dogs or travelling abroad to experience new cultures.
Richard Burton
Paediatric Nurse Manager
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My name is Richard and I am a registered Paediatric Nurse living in Cornwall. I started my paediatric healthcare journey 11 years ago working as a carer, looking after children with complex health conditions; including palliative care. Since this moment I have always had a passion for complex care. Since then, I gained my professional registration and have worked on the Acute Paediatrics Ward, the Paediatric Emergency Department and my local Children’s Hospice; as well as having children of my own. I ensure that all care facilitated by myself is to the highest standard, making sure the child and family are placed in the very centre of all of their care needs and decision making.
Julia Smith
Clinical Lead
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Julia Smith began her nursing career in Plymouth in the 1980s and has worked across various healthcare fields, including prison health, spinal injuries, and orthopaedics. Her career includes roles as a modern matron and registered manager, with experience spanning both hospital and community care.
As a single parent and grandmother of four, Julia balances her personal life with her passion for nursing. Outside of work, she enjoys skiing, upholstery, and spending time with her pets on outdoor adventures. Julia’s diverse experience has equipped her with the skills to excel in complex care, ensuring every patient receives individualised, high-quality support.
Susan Stone
Nurse Manager
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Hello, I’m Sue, I started my working life as a healthcare assistant on a youth training scheme looking after children with complex needs. I qualified as a Registered General Nurse at Greenwich District Hospital in 1989. I started my complex care journey in 2012 managing packages for Spinal injuries ,Acquired brain injuries, adult and children’s complex conditions and injuries. I am passionate about my role and love to support clients to work ,play and enjoy life despite difficulties . I love to overcome challenges and understand working as part of team in someone’s home can feel intrusive, that’s why its so important to get the right personalities and skills for your situation. I am a mum to 5 children my youngest daughter has type 1 diabetes. I also love supporting my local sailing club as a safety power boat driver and I love walking my dalmatian in my spare time.
Ntokozo Sengane
Complex Care Team Leader
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My name is Ntokozo Sengane, but everyone calls me Toks, I started with Onecall24 Healthcare in March 2021 as a Complex Care Co-ordinator. A year later I was promoted to a Complex Care Team Lead which has been a great experience assisting our operations Manager oversee the SA team. I love working in Complex Care as it brings so much joy being able to help people who don’t have full capacity to live a normal life be able to fulfil that for them. I’m an action movie kind of lady and I love spending time with my teenage daughter going for a walk in the beach and doing some adventurous activities, actually more me than her.
Ntokozo Sengane
My name is Ntokozo Sengane, but everyone calls me Toks, I started with Onecall24 Healthcare in March 2021 as a Complex Care Co-ordinator. A year later I was promoted to a Complex Care Team Lead which has been a great experience assisting our operations Manager oversee the SA team. I love working in Complex Care as it brings so much joy being able to help people who don’t have full capacity to live a normal life be able to fulfil that for them. I’m an action movie kind of lady and I love spending time with my teenage daughter going for a walk in the beach and doing some adventurous activities, actually more me than her.
Ntokozo Sengane
Complex Care Team Leader
Ntokozo Sengane
Complex Care Team Leader
Ntokozo Sengane
Complex Care Team Leader
A higher level of nurse involvement and visibility throughout our business, to maximise quality in all packages of care and services that we offer. The best quality care, the highest skilled staff, the most compassionate people working with us, led by our industry leading Clinical Nurse Managers.
