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Lindsey Cotterill, Operations Director

At Purdie Pascoe, Lindsey has focused on enhancing operational efficiency and implementing quality management processes. She has strengthened the company’s GDPR and data protection protocols and introduced systems to improve the client experience. Additionally, she has nurtured strong relationships with both clients and suppliers, ensuring a unified and high-quality approach to the company’s work.

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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.

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David Peters, Senior Research Executive

David joined Purdie Pascoe in mid-2025 as a Senior Research Executive within our primary market research team. He holds a degree in Biological Sciences from the University of Exeter, where he specialised in Microbiology and Infectious Diseases, followed by a Research Master’s from Imperial College London.

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Tonika Chester, Research Manager

Tonika joined Purdie Pascoe in 2019 as and has progressed to Research Manager in our Post Market Surveys team. She has a BSc in Biological Chemistry and an MSc (with distinction) in Biomedical and Molecular Sciences Research from King's College London.

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Harry Thomas, Data Quality Assurance Officer

Harry joined Purdie Pascoe in 2024 as a Data Quality Assurance Officer and primarily supports our PMCF team. He has a BA in History from the University of York. Prior to joining Purdie Pascoe, he worked as a Data Compliance Specialist in the clinical research industry.

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Priyal Sharma, Senior Medical Writer

Priyal joined Purdie Pascoe in 2023 as a Senior PMCF Medical Writer and predominantly supports our Post Market Surveys team. She holds a Ph.D in Biotechnology, MSc, and a BSc (Hons) with distinction in each degree from Amity University. She was also awarded a silver medal for her Academic performance.

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Guy Pasquill, Data Analytics Manager

Guy joined Purdie Pascoe in 2022 as a Data Analyst.

He holds a double BSc in Physics with Astronomy from the University of Liverpool and Liverpool John Moores University. Prior to joining Purdie Pascoe Guy worked across B2C and B2B Market Research as a technical lead in survey creation and data processing.

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Ruby Pogson Jones, Senior Research Executive

Ruby joined Purdie Pascoe in 2023 as a Research Executive and is part of our Post Market Surveys team. Ruby holds a BSc in Politics and Economics from the University of Bath, which included a 12-month placement at BVA BDRC, a market research firm. As part of the Finance and Business team she gained experience in qualitative and quantitative research methods.

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