Our Leadership Team
Experienced Healthcare Leaders, Specialist Expertise
Allied Quadrant brings together senior healthcare executives, clinical leaders and specialist consultants with extensive experience across healthcare operations, strategic planning, accreditation, commissioning and organisational transformation.
Our founding partners work alongside regional representatives and a multidisciplinary network of senior consultants and associates, providing clients with access to practical expertise tailored to their specific requirements.
Founding Partners
David James | CEO & Co-Founder
David James is a senior healthcare executive with extensive experience in hospital operations, healthcare management, commissioning and organisational transformation across the UAE.
His career includes 28 years at Tawam Hospital, where he held senior leadership positions across Radiology, Allied Health Services and Oncology Administration. He subsequently served in senior operational leadership at Sheikh Shakhbout Medical City (SSMC), contributing to the commissioning and activation of one of the UAE’s major tertiary healthcare facilities.
At SSMC, David played a significant role in operational readiness, service development and the transition to a new hospital operating model developed in collaboration with Mayo Clinic.
His expertise encompasses healthcare operations, workforce and resource planning, clinical support services, accreditation readiness, performance improvement and organisational transformation.
As CEO and Co-Founder of Allied Quadrant, he brings practical leadership experience and an operational perspective to complex healthcare consulting engagements.
Eng. Hamad Al Ahbabi | Managing Director & Co-Founder
Eng. Hamad Al Ahbabi is a senior healthcare executive with more than 25 years of experience in healthcare leadership, strategic planning, operational management and organisational transformation across the UAE.
Throughout his career, Hamad has held senior executive positions at major healthcare institutions, including Sheikh Shakhbout Medical City, Mafraq Hospital and Sheikh Tahnoun Medical City. His experience encompasses complex hospital operations, infrastructure development, workforce planning, performance improvement and the delivery of major healthcare initiatives.
He has played significant roles in hospital commissioning and activation, organisational restructuring, JCI accreditation programmes and healthcare service transformation. His leadership approach combines strategic planning with practical operational implementation, working closely with clinical and administrative teams to improve organisational effectiveness and service delivery.
Hamad holds master’s degrees in Healthcare Management and Business Administration, complemented by professional training in project management, leadership and organisational development.
As Managing Director and Co-Founder of Allied Quadrant, he contributes extensive executive leadership experience, strategic insight and expertise in managing complex healthcare projects and organisational change.
Martin Rosse | Project Director & Co-Founder
Martin Rosse is an experienced healthcare project management professional with extensive experience delivering major healthcare initiatives across the United Arab Emirates and the wider Middle East, working with both government and private healthcare organisations.
His career encompasses the full lifecycle of healthcare facility development, from initial planning and conceptual design through construction, commissioning, operational activation and facility management. He brings extensive knowledge of healthcare infrastructure, construction contracts, building regulations, accreditation requirements and project delivery.
Martin has held senior project management and healthcare commissioning roles, leading multidisciplinary teams comprising healthcare professionals, clinical staff, technical specialists and hospital support services. His experience includes major healthcare developments such as Sheikh Shakhbout Medical City, Ghayathi Community Hospital and Al Sila Community Hospital, alongside other healthcare facilities in the UAE.
His expertise includes healthcare facility planning and design, project management, stakeholder coordination, regulatory compliance, facility management and operational readiness. He has extensive experience coordinating complex projects to meet contractual requirements, budgets, timelines and healthcare quality standards.
Martin holds a Master’s degree in International Healthcare Management from the University of Essex and a Bachelor’s degree in Business Management from the European University of Applied Sciences. He is also a member of the Project Management Institute.
As Project Director and Co-Founder of Allied Quadrant, Martin contributes specialist expertise in healthcare infrastructure development, project execution, commissioning and facility operations, supporting clients throughout the planning, development and activation of healthcare facilities.
Regional Leadership
Dr. Fadhilah Alobaidan | KSA Partner & Representative
Dr. Fadhilah Alobaidan is a senior healthcare executive and strategic transformation leader with extensive experience across government and private healthcare organisations in Saudi Arabia. Her professional background encompasses healthcare strategy, organisational development, operational performance, leadership development, workforce transformation, quality improvement and large-scale organisational change.
Throughout her career, Dr. Alobaidan has held senior executive and strategic leadership positions within major healthcare organisations, including the Royal Commission Health Services Program, Saudi Arabia’s Ministry of Health and leading private healthcare groups. Her experience provides a comprehensive understanding of the Saudi healthcare environment and the challenges associated with healthcare development, service delivery and organisational transformation.
Her expertise includes strategic planning and implementation, organisational restructuring, performance improvement, governance, healthcare service development and operational readiness. She has particular experience translating strategic objectives into practical programmes, aligning organisational structures and workforce capabilities with strategic priorities, and supporting leadership teams through periods of growth and transformation.
Dr. Alobaidan also brings extensive experience in nursing executive leadership, healthcare quality, patient safety and clinical governance. Her multidisciplinary background enables her to work effectively across clinical, operational and corporate functions, supporting improvements in organisational effectiveness, service quality and patient-centred care.
She holds a PhD in Advanced Nursing Practice, specialising in Healthcare Administration and Management, from the University of Melbourne. Her academic qualifications are complemented by executive education in healthcare leadership and management from Harvard University and Duke University.
As Allied Quadrant’s strategic partner and representative in the Kingdom of Saudi Arabia, Dr. Alobaidan supports the development and delivery of healthcare consulting opportunities within the Kingdom. She contributes specialist expertise in healthcare strategy, organisational transformation, leadership development and performance improvement, strengthening Allied Quadrant’s regional capabilities.
Advisory Board
Gregory Schaffer | Senior Healthcare Executive & Advisor
Gregory Schaffer is an experienced healthcare executive with an extensive background in hospital leadership, healthcare administration, organisational management and strategic healthcare development across the United States and the United Arab Emirates.
He previously served as Chief Executive Officer of Tawam Hospital in Al Ain, Abu Dhabi, under a management agreement with Johns Hopkins Medicine International. In this role, he provided executive leadership within one of the UAE’s major tertiary healthcare institutions, bringing international healthcare management experience to the region.
Prior to his appointment in the UAE, Gregory held several senior executive leadership positions in the United States, including President and Chief Executive Officer of Johns Hopkins Bayview Medical Center in Baltimore, Maryland. His career also includes executive positions at Saint Vincent’s Medical Center, the Hospital of Saint Raphael and McLean Hospital, together with experience in emergency medical services.
His professional background encompasses hospital governance, executive leadership, strategic planning, healthcare operations and organisational performance. His experience across different healthcare systems provides a valuable perspective on the challenges facing healthcare organisations, particularly in aligning strategic objectives with operational delivery.
As a member of Allied Quadrant’s Advisory Board, Gregory contributes international executive leadership experience and strategic insight, supporting the company’s healthcare consulting activities and providing specialist advice on governance, operational effectiveness and leadership performance
Dr. Holland Ravelle | Advisory Board Member – Radiology & Breast Imaging
Dr. Holland Ravelle is an experienced radiologist and healthcare leader with an extensive background in breast imaging, radiology department management, clinical leadership and healthcare facility development across the United States and the United Arab Emirates.
Originally from Eau Claire, Wisconsin, Dr. Ravelle holds a Bachelor of Science in Radiation Science and a medical degree from the University of Nebraska. She subsequently completed her radiology residency and a fellowship in breast imaging in San Antonio, Texas, establishing a strong foundation in diagnostic radiology and specialised breast imaging services.
Throughout her career, Dr. Ravelle has held several senior clinical and administrative leadership positions. She served as Chief Executive Officer of Summit Diagnostic Imaging for five years, where her responsibilities included medical equipment procurement, facility planning, contractual arrangements, workforce management and operational oversight.
She subsequently spent 13 years as Director of Breast Imaging and five years as Radiology Department Chair at Mayo Clinic Health System. In these positions, she combined specialist clinical practice with departmental leadership, service development, physician engagement and the management of multidisciplinary radiology services.
Dr. Ravelle later transferred to Sheikh Shakhbout Medical City (SSMC) in Abu Dhabi through Mayo Clinic, where her responsibilities expanded to include hospital staffing, departmental design and the development of radiology services within a major tertiary healthcare facility.
In addition to her clinical and executive responsibilities, Dr. Ravelle has lectured internationally and mentored numerous younger physicians, contributing to professional education, clinical development and the advancement of breast imaging practice.
As a member of the Allied Quadrant Board, Dr. Ravelle brings international clinical leadership experience and specialist expertise in radiology operations, breast imaging, healthcare facility planning, workforce development and clinical service improvement.
Dr. Gurdeep Dhatt | Advisory Board Member – Laboratory Medicine
Dr. Gurdeep Dhatt is a highly experienced physician and healthcare executive with more than 40 years of professional experience in Chemical Pathology and Laboratory Medicine, including over 30 years in senior leadership positions within international healthcare organisations.
Throughout his distinguished career, Dr. Dhatt has developed extensive expertise in the organisation, management and strategic development of laboratory medicine services. His professional experience encompasses clinical laboratory operations, healthcare leadership, service planning, quality management and the delivery of complex diagnostic services across large healthcare networks.
Dr. Dhatt previously served as Chief Medical Officer of PureHealth in the United Arab Emirates, where his responsibilities included oversight of an extensive laboratory services network supporting 16 hospitals, 66 primary healthcare centres and 22 medical fitness and visa testing centres operating under the Ministry of Health and Prevention (MOHAP).
His leadership experience includes the management of multidisciplinary laboratory services, the development of diagnostic service networks, laboratory operational performance and the integration of laboratory medicine within broader healthcare delivery systems.
With a career spanning clinical practice and executive management, Dr. Dhatt brings a comprehensive understanding of the strategic, operational and clinical challenges associated with delivering laboratory medicine services across complex healthcare organisations.
As a member of the Allied Quadrant Advisory Board, Dr. Dhatt contributes extensive international experience and specialist expertise in laboratory medicine, clinical diagnostics, healthcare operations, service development and organisational performance improvement.
Raymond Bertrand | Advisory Board Member – Healthcare Architecture & Facility Planning
Raymond Bertrand is an experienced healthcare architect and project management professional with more than 30 years of international experience in the planning, programming and design of healthcare facilities across 47 countries.
Throughout his career, Raymond has developed extensive expertise in healthcare infrastructure development, architectural planning, facility design and project management. His experience encompasses the development of healthcare environments that support efficient clinical operations, patient safety, regulatory compliance and sustainable healthcare delivery.
His professional background includes healthcare facility programming, architectural design, project coordination and facility management, providing a comprehensive understanding of the relationship between healthcare infrastructure, clinical workflows and operational requirements.
Raymond brings an international perspective to healthcare development, having worked on projects across diverse geographical locations and healthcare systems. His experience enables him to contribute to complex healthcare initiatives involving multidisciplinary teams, architects, engineers, clinical professionals and healthcare administrators.
His expertise includes healthcare master planning, space programming, functional design, architectural standards, facility management and the coordination of healthcare development projects from initial planning through implementation.
Raymond holds a Master of Architecture in Architectural Design, a Bachelor of Arts in Environmental Design and a Diploma in Psychology. This multidisciplinary educational background complements his understanding of healthcare environments and the importance of incorporating human factors into facility planning and design.
As a member of the Allied Quadrant Advisory Board, Raymond contributes specialist expertise in healthcare architecture, infrastructure planning, facility development and project management, supporting clients in developing healthcare facilities that are operationally effective, compliant with relevant standards and responsive to evolving healthcare service requirements.
Dr. Satish Chandra | Advisory Board Member – Medical Research, Quality & Healthcare Informatics
Dr. Satish Chandra is an experienced medical research professional, academic and healthcare advisor with an extensive background in molecular medicine, clinical research, healthcare quality, medical informatics and academic leadership.
Throughout his career, Dr. Chandra has held senior clinical research and academic positions, including Specialist and Medical Research Director at Tawam Hospital within the SEHA healthcare system in Abu Dhabi. He has also served as Professor at the College of Medicine and Health Sciences, United Arab Emirates University, contributing to medical education, scientific research and the development of healthcare knowledge within the UAE.
Dr. Chandra has an extensive record of academic and scientific achievement, with more than 150 indexed peer-reviewed publications. His research interests and professional contributions encompass molecular medicine, disease susceptibility, clinical research, healthcare quality and the application of medical information systems to improve healthcare delivery.
He holds a PhD in Molecular Medicine and an MBA in Health Information from the University of Minnesota. His academic qualifications are complemented by international certifications in Medical Quality and Medical Informatics from Oregon State University.
In addition to his clinical research and academic responsibilities, Dr. Chandra has served on the advisory boards of leading medical journals and contributed to scientific literature through publications and books addressing disease susceptibility, medical ethics and related healthcare subjects.
He is also an experienced educator, trainer and recognised contributor to clinical trials and medical research, supporting the development of research capabilities, scientific knowledge and evidence-based healthcare practices.
As a member of the Allied Quadrant Advisory Board, Dr. Chandra contributes specialist expertise in medical research, healthcare quality, medical informatics, academic development and evidence-based healthcare improvement, supporting clients in strengthening clinical governance, research capabilities and organisational performance.