ABOUT US
Our dedicated team of professionals is strengthened by an extensive network of internationally recognised experts. Together, our mission is to support organisations across the public and private sectors in accelerating progress toward strategic objectives by identifying critical evidence needs and delivering authoritative, best-in-class analysis.
Meet the team
David Tordrup, PhDc
Managing Director
David is a senior researcher with more than 10 years of experience in health economics and health sciences.
He works with multinational organisations and companies to generate evidence and analyses on access to medicines. David has previously worked as a staff researcher at the London School of Economics, at the World Health Organization in Brussels, and as a consultant in the private sector.
Chrissy Bishop, PhD
Principal Consultant
Chrissy is an epidemiologist and management consultant with 12 years of healthcare experience.
Chrissy has collaborated extensively with clinical and public health clients – specialising in combining analytics and stakeholder engagement to guide decision making and produce impact. Client focus spans public and private sector, non-profit and intergovernmental organisations, including the UK National Health Service, United Nations, World Health Organization and Pharmaceutical Industry.
Melissa Phillips
Business Manager
Mel has over 20 years of business and operational management experience in various business sectors. She brings expert knowledge and understanding to oversee operational activities at every level. Mel is responsible for implementing policies, planning and strategy, overseeing budgets and resources, reporting, recruitment, and staff wellbeing.
Federico Cairoli, MD
Senior Consultant
Federico is a medical doctor with four years of experience as a researcher and analyst in health economics and public health epidemiology. He has experience working on international vaccine research projects, which include a cost-effectiveness analysis of the COVID-19 vaccine for seven countries in Latin America and the Caribbean. He has published more than 20 scientific articles in PubMed-indexed and high-impact international journals, mainly related to systematic reviews and health economic evaluations in LMIC.
Katya Nogales, PhD
Senior Consultant
Katya Nogales is a multidisciplinary professional in public health policy, social work, and psychology, with extensive experience in intercultural settings. Her doctoral research examined the role of international policy tools in shaping the integration of health aspects of the 2030 Agenda for Sustainable Development within the European Region. Katya has specialised in public health policy and social work for over five years, with expertise in policy research and analysis, stakeholder engagement, consensus building, and the design and delivery of workshops and trainings.
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Arnold Hagens, PhDc
Senior Consultant
Arnold is a senior modeler with a background in information technology and economics.
After an early career in the software industry, he transitioned to healthcare research focusing on statistics and health economics. His current research focuses on dynamic mathematical models to estimate the impact and cost-effectiveness of pharmaceutical and non-pharmaceutical interventions.
Zicheng Wang, MSc
Analyst
Zicheng is a passionate and interdisciplinary global health researcher with experience in economic modelling, health policy, systematic review, and data analysis. With a background in biomedical science from Imperial College London, he received additional training in health economics and global health policy during his Master's programme at the London School of Economics. His passion lies in improving access to medicine and healthcare in developing countries. Zicheng received a prize for the best MSc thesis in his cohort at LSE on a randomised controlled trial in Zimbabwe.
Duaa is an economics researcher with experience in development economics, health policy evaluation, and monetary policy. She has worked with the York Health Economics Consortium, the State Bank of Pakistan, and NGOs on projects spanning cost-effectiveness analysis, institutional development, and public health. Her research interests focus on health, gender, and economic development. Duaa also holds an MSc in Economics (Distinction) from the University of York and a BSc in Economics (Dean’s Honour List) from NUST.
Duaa Haider, MSc
Anaylst
Maria is a health policy analyst with a background in health technology assessment and clinical medicine. Her research experience includes stakeholder engagement, scoping and systematic reviews, health policy analysis, and producing technical papers and other written outputs. Her areas of interest include public health policies and population health in low-middle income countries. Maria has five years of experience working with and leading teams in the academic, clinical, and public sector across clinical care, project management and research.
Maria Bermudez, MD
Maria is a health policy analyst with a background in health technology assessment and clinical medicine.
She has five years of experience working with and leading teams in the academic, clinical, and public sector across clinical care, project management and research. Her research experience includes stakeholder engagement, scoping and systematic reviews, health policy analysis, and producing technical papers and other written outputs. Her areas of interest include public health policies and population health in low-middle income countries.
Senior Analyst
Ava is a health economist with experience in cost-effectiveness modelling, health policy, and evidence appraisal. She has worked with the United Nations Office on Drugs and Crime to improve access to controlled medicines and contributed to research on civil society engagement with UN human rights conventions. Ava also holds an MSc in Health Economics (Distinction) from the London School of Economics and a BA in Honours Economics (First Class) from McGill University.
Ava Liang, MSc
Analyst
Deeksha Parashar, MSc
Associate Consultant
Deeksha is a health policy analyst with a passion for shaping evidence-based strategies to address global health challenges. She holds an MSc in Health Policy Planning and Financing from LSE and LSHTM, and over three years of cross-sectoral experience from roles at Gavi, the Ministry of Health (India), and ZS Associates. Specialising in vaccines, pharmaceutical commercial strategies, and health financing, she brings a diverse skill set that includes conducting comprehensive impact assessments, literature reviews, health policy evaluations, and cost-effectiveness analyses.
Konstantina Politopoulou, MPharm
Senior Analyst
Konstantina holds an MSc in International Health Policy and an MPharm degree. She specialises in pharmaceutical policy, clinical trial analytics, and health technology assessment (HTA), particularly in the oncology field. Her work involves analysing HTA outcomes and assessing access issues for innovative medicines in various countries.
Konstantina is a seasoned Analyst in Oncology and HTA with Global Expertise in Pharmaceutical Policy and Clinical Research.
The faces of Triangulate:
team highlights
