Aquarius Population Health

Our Team

The experienced multidisciplinary team at Aquarius comes from diverse backgrounds, including academia, patient care, government and industry. Our experience helps us understand the demands of each sector, and how to successfully work together. Our senior experts work directly with clients from project inception through to final successful delivery.

We love developing close partnerships with our clients, and delivering true value when exploring their challenges.

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Elisabeth Adams

Managing Director and Founder

Elisabeth was brought up in the US but travelled widely from a young age to pursue her love of medicine, science, and a challenge. This led her to Micronesia to study dengue outbreaks, Peru to analyse sexual health interventions, and across the UK to work on projects to benefit the National Health Service. She studied Psychology (University of Michigan, BS Hons), Epidemiology (Oxford University, MSc), and received her PhD from the London School of Hygiene and Tropical Medicine on the cost-effectiveness of chlamydia screening in England, and her work on sexual health has influenced international policy. Her broad background gives her a global perspective on health. Before starting Aquarius, Elisabeth was a mathematical modeller and health economist in infectious diseases for seven years at the Health Protection Agency. She founded Aquarius Population Health in response to her passion for generating robust research and making it accessible to her academic, clinical, policy-making, and industry colleagues

Alex Van Doornewaard

Senior Consultant

Alex has an MSc in Health Economics from the University of Aberdeen and over five years of experience in HEOR consultancy. Alex’s research experience encompasses evidence synthesis techniques and the conceptualisation, implementation, and validation of decision-analytic models to demonstrate the health economic value of novel healthcare technologies. His work in a range of diseases, including cardio-renal diseases, rare diseases, inflammatory disorders, and infectious diseases, has informed reimbursement submissions to HTA bodies such as NICE and the SMC, and the content of peer-reviewed publications. Based in Munich, Germany, Alex is passionate about delivering evidence-based research to inform healthcare decision-making.

Andrea Polokaova


Andrea obtained her MSc in Health Economics (HTA) from the University of York. Having worked for the National Health Service (NHS) previously, she has extensive experience with community organisations, government agencies, and healthcare professionals to ensure the highest quality of patient care, while driving cost-effective process improvements across all operational aspects. Andrea is particularly interested in addressing the global burden of diet-related chronic diseases by the application of health economic tools.

Brooke Hewitson


Brooke completed her MSc in Global Health Science and Epidemiology from the University of Oxford. Her master’s thesis explored the relationship between artificial reproductive technologies and autism spectrum disorder across 730,000 mother-baby pairs, utilising primary health care and fertility register data. She previously graduated from the University of Surrey with a first-class BSc in Psychology. Brooke also has three years of experience across data analysis and pharmaceutical market research. She aims to improve healthcare decision-making through health economic evaluation and statistical modelling.

Caroline Dombrowski

Programme Manager & Data Protection Officer

Caroline joined Aquarius to support the team in managing our client projects and internal business development. Caroline is responsible for overseeing data protection strategy and implementation to ensure compliance with GDPR requirements. Before joining Aquarius, she provided technology consulting at Accenture, delivering complex technology systems and integrating business processes using diverse technologies across varying industries. She has also been involved in leadership positions in community volunteer organizations focusing on health and education. Caroline graduated with a Bachelor of Science in Mechanical Engineering from the University of Michigan, Ann Arbor.

Enyal Lani


Enyal has an MSc in Global Public Health and Health Policy from Queen Mary University of London and has broad knowledge of UK health policy and the UK public health system. Before joining Aquarius, she worked as a programme manager for the Association of Directors of Public Health. She has experience in managing projects tackling national public health issues and working with high-profile partners including central government agencies and leading UK public health organisations. An area where Enyal has more in-depth expertise is HIV, sexual health, and reproductive services in England and her work has contributed to influencing sexual health policy and strategy development at national and local levels.  She is particularly interested in developing evidence-based research that addresses the most pressing global health issues such as making health care accessible to everyone and fighting antimicrobial resistance.

Eva Kaganaar


Eva has an MSc in Global Health and Development from University College London. Before joining Aquarius Population Health, she worked as a researcher in academia and the long-term care sector. Eva has experience in managing projects that address innovation in healthcare service delivery and worked closely with healthcare providers. Furthermore, she has published in peer-reviewed journals. Eva has experience in working with health survey data, modelling time trends, and mapping patient pathways. Her particular areas of interest are health promotion, chronic conditions, and health inequalities.

Frank Grimsey-Jones

Senior Consultant

Frank is an experienced health economist. He has worked in HEOR and public policy across the public, private and charitable sectors. He has developed a global model de novo, conducted multiple adaptations, authored several papers, and project-managed a number of HTA submissions. He holds a master’s degree in International Health Policy and Health Economics from the London School of Economics and a PGDip in Leadership and Management from the Institute of Leadership and Management.

Jiumei Gao


Jiumei discovered her passion for healthcare at a medical anthropology course during her undergraduate study in anthropology. She then pursued an MSc in Veterinary Epidemiology at the London School of Hygiene and Tropical Medicine and the Royal Veterinary College. Prior to joining Aquarius, she worked as a data analyst for international organisations and a Royal College. Her experiences cover humanitarian emergency response, population mobility mapping, clinical audit and quality improvement. She hopes to continue delivering evidence-based insights to improve population health and wellbeing.

Julie Bradley

Finance Manager

Julie is a certified accountant based in Ireland. She has over twenty years of experience managing accounts for companies in England. Julie is responsible for managing the accounts, finances and invoicing at Aquarius.


Wellbeing and Morale Officer

Teddy has been with Aquarius since August 2016. He came to the company as a rescue from Dog’s Trust and quickly settled into his full-time role. He splits his time in the office between sleeping, doing tricks for treats, relieving stress, welcoming visitors, and encouraging staff to have a healthy lifestyle with lots of outdoor breaks in nearby Granary Square and King’s Cross.

Krishnan Puri Sudhir

Senior Analyst

Krishnan completed his MSc in Health Economics from the London School of Economics and Political Science (LSE). Additionally, he completed an MSc in International Development at the LSE and graduated with a first-class BSc in Economics from Queen Mary University of London. For his MSc Health Economics thesis, he investigated the indirect economic impact of untreated externalizing mental illness among Brazilian adolescents. Krishnan is particularly keen on mental health economics research and hopes to change the world for the better using his knowledge and interests as tools to achieve this.

Mary Ashley Keene

Senior Analyst

Mary Ashley is completing her MSc in Public Health from the London School of Hygiene and Tropical Medicine.  Prior to Aquarius, she worked as a Project Manager for an expert network in New York City,  Mary Ashley has experience servicing a variety of clients, mainly institutional investors, on their healthcare primary market research.  Before this, she earned a BSc in Biology from Boston College. Mary Ashley is particularly interested in health promotion programmes targeting the health inequalities within urban cities.

Orjola Shahaj

Senior Consultant

Orjola has an MSc in Epidemiology from University College London and an MPH from the University of Edinburgh. She has a broad background in public health, policy, and research. During her experience as a Health Policy Advisor, she has drafted numerous policies and has overseen a wide range of healthcare projects. Orjola has a strong interest in healthy ageing and wants to identify new ways of reducing the societal burden of chronic diseases.

Rupert Gara Adams


Rupert has over 25 years’ experience in the commercial and retail sectors. He has worked on a wide range of health and well-being projects. Rupert leads Aquarius’ qualitative and market research projects. Rupert is an expert at gaining insight on customer and consumer behaviour, using a range of research methods such as focus groups, ethnography, and more cognitive research e.g. eye-tracking and sensory measurement.

Susie Huntington

Managing Consultant

Susie has a PhD in Epidemiology from University College London. Through data linkage of two large studies, she examined the health outcomes of women living with HIV prescribed antiretroviral therapy in pregnancy. She has previously worked in Public Health for local government (Islington and Camden). Before returning to academia, she worked in HIV and STI surveillance at the Health Protection Agency (now Public Health England) and on secondment to the Catalan government. She has published numerous peer-reviewed papers and has experience of evidence synthesis, data analysis, and patient pathway mapping.

Verena Schneider


Verena is completing her MSc Health Psychology at University College London. As part of her masters thesis and further research, she is looking into the physical activity behaviour of UK adults during the Covid-19 pandemic. Prior to this, she received a first-class honours degree in Psychology at the University of Hagen in Germany. She is interested in health economic evaluation and applying statistical tools to aid health care decision-making.

Ulla Hansen-Small

Office Manager

With over 10 years of experience in office management and a background in tech and fashion, Ulla joined Aquarius as an Office Manager in September 2022. Having spent a number of years in the Technology and Software sector, moving into healthcare has been an exciting change. Ulla is responsible for the day-to-day operations and giving staff and visitors the best experience possible.

Yixuan Ma

Senior Analyst

Yixuan completed her MSc Health Data Science from the University College London having researched the causal effect of BMI on left ventricular structure and function. Her other research on the association of obesity and dementia is published in the International Journal of Epidemiology. Before this, she received a BSc Population Health degree at UCL. She is particularly interested in health economic evaluation and she wants to push the boundaries of healthcare research.

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