Ioulia Mariaki, known professionally as Julie Mariaki, is an Advanced Specialist Practitioner at Barts Health NHS Trust, where she provides senior clinical and operational leadership in the development and delivery of the Newham Respiratory Virtual Ward service. Alongside her NHS role, she continues to work clinically in general practice, delivering specialist respiratory clinics and giving her a unique perspective across primary, community and acute care.

Julie has a particular interest in Respiratory Virtual Wards, integrated care, digital transformation, service redesign and workforce development. She is passionate about improving patient outcomes through collaborative leadership, education, quality improvement and the development of innovative models of respiratory care.

She is also the founder of Lung Line Learning, an independent respiratory education and consultancy initiative launching in September 2026, dedicated to supporting healthcare professionals and organisations through accessible, practical and evidence-informed respiratory education, professional development and service improvement.

Julie is committed to contributing to the wider respiratory community, sharing innovation and best practice, and supporting the development of high-quality, integrated respiratory care across organisational boundaries.