Guy Pascoe, Director and Co-founder
Before co-founding Purdie Pascoe in 2008, Guy led the medical device practise of Synovate Healthcare for six years. He has managed over 200 multinational studies in the medical device and diagnostics industry.
Marianne Purdie, Director & Co-founder
Marianne has over 30 years of international healthcare market research experience, gained in both client-side and agency environments. She started her market research career with Upjohn, now part of Pfizer.
Sabera Hyderally, Head of US MedTech
Sabera has 30+ years of market research experience with a focus on healthcare market strategy and heads up the MedTech division. She has expertise in quantitative and qualitative research tools available to aid strategic decision-making for medical and surgical device manufacturers, diagnostic and healthcare software firms with a focus on positioning, pricing and communication optimization.
Marianne Fillion, Head of Precision Medicine and Diagnostics
Marianne joined Purdie Pascoe in March 2021, with 20 years’ experience in specialty pharmaceutical market research and strategy. Marianne’s experience spans across several complex therapeutic indications and includes all types of global market research studies. She has a specific and unique expertise in precision medicine, diagnostics and oncology market research, complemented by an MSc in Molecular Biology.
Hazel Haskayne, Director
With over 25 years of experience in healthcare market research, Hazel has led strategic, consultative projects for clients across the globe. She is a seasoned qualitative practitioner, adept at blending insights from various methodologies, including quantitative and secondary research, to translate human behaviour into actionable growth strategies.
Debbie Higham, Research Director
Debbie has over 30 years of international healthcare market research experience. She started her market research career with NOP Healthcare in 1992, conducting and managing both qualitative and quantitative projects for global clients.
Lindsey Bernal, Research Director
Lindsey joined Purdie Pascoe in July 2009 from GfK HealthCare. She started at GfK NOP (then Milpro) in 1994, working in Marianne’s medical device-focused team for 4 years before moving to Martin Hamblin in 1998.
Sophie Baker, Research Director
Sophie started her international healthcare market research career in early 2005 with Medex Research, a market research agency specialising in medical device market research.
Kristy Beede, Research Director
Kristy brings 20 years of global market research experience and specializes in MedTech. She is a results-driven, detail-oriented market research professional with expertise in a diverse range of quantitative and qualitive approaches. Kristy’s category experience spans surgical devices, patient-use devices, AI-based software, and capital equipment.
Kristin Lovallo, Research Director
Kristin joined Purdie Pascoe in March of 2024, bringing 13 years of global expertise in both qualitative and quantitative research methods. She has worked extensively with a wide range of stakeholders, including clinicians and surgeons, economic decision-makers, IT and security professionals, and patients.
Vanessa Slade, Research Director
Vanessa Slade joined Purdie Pascoe in 2021 as an Associate Director. She has a BSc (Hons) in Biology with Modern Language (Spanish) from the university of Manchester, which included a 10-month placement in the Ecology Department of the University of Barcelona.
Sebastian Newton, Associate Director
After completing a degree in Psychology at the University of Leeds, Seb started his career in 2016 at Adelphi Research where he gained experience in both a quantitative and qualitative setting.
Parisa Valadan, Associate Director
Parisa has over 8 years’ experience as a specialist healthcare market researcher. She has managed more than 50 international market research projects across a breadth of therapy areas, specializing more recently in oncology and diagnostics, and is an experienced moderator.
Nicole Levin, Associate Director
With 9+ years of experience in healthcare market research, she has honed her skills in both qualitative and quantitative methodologies.
Freya Lovely, Research Manager
Freya joined Purdie Pascoe in 2021 as a Research Executive. She holds a First Class BSc in Medical Sciences from the University of Leeds, which included a 15 month placement with Purdie Pascoe.
Rebecca Preston, Research Manager
Rebecca joined Purdie Pascoe in 2024 as a Senior Research Executive. She was a finalist for the BOBI award for Best Use of Innovation in 2024.
Roksi Yafet, Research Manager
Roksi joined Purdie Pascoe in 2025. She is a mixed-method healthcare researcher with a strong foundation in quantitative methodologies and a growing passion for qualitative insight.
Cara Koenigsberg, Senior Research Executive
Cara joined Purdie Pascoe in 2025 as a Senior Research Executive and is part of our US PMR team.
Karolina Sawicka, Senior Research Executive
Karolina joined Purdie Pascoe in 2025 as a Senior Research Executive. She holds a 1st Class Master's degree in Pharmaceutical Analysis, Technology, and Biopharmaceuticals from King's College London and since graduating has built a strong experience in healthcare market research.
Alessandra Costantini, Senior Research Executive
Ale joined Purdie Pascoe in 2025 as a Senior Research Executive and is part of our PMR team.