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Marcus Torr, Head of Post Market Surveys

He has extensive knowledge in the specific requirements surrounding PMCF surveys, having overseen over 400 surveys for several of the leading global Medical Device manufacturers across a variety device types. These surveys have been approved by several of the leading Notified Bodies and consist of both end user general surveys and high-quality patient specific surveys.

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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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Ruby Pogson Jones, 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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Timothy Wong, Research Executive

Tim joined Purdie Pascoe in 2024 as a Research Executive and is part of our Post Market Surveys team. He holds a BSc in Medical Biosciences from Imperial College London and a MSc in Pharmacology from the University of Oxford.

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Arya Nicum, Research Executive

Arya joined Purdie Pascoe in 2025 as a Research Executive. She holds a BEng in Materials Science from the University of Birmingham where she also completed a year working in quality at a medical device manufacturer, during which she gained exposure to medical device regulation.

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George Thomason, Research Executive

George joined Purdie Pascoe in 2025 as a Research Executive. He holds a BSc in Biology from Lancaster University. He began his career in market research working within a real-world evidence setting, before moving on to Purdie Pascoe.

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Halima Iqbal, Research Executive

Halima joined Purdie Pascoe in 2025 as a Research Executive. She holds a BSc in Neuroscience from Middlesex University and started her career in real-world evidence research, before taking the next step and moving to Purdie Pascoe.

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Georgie Newman, Research Executive

Georgie joined Purdie Pascoe in 2025 as a Research Executive. She holds a BSc (Hons) degree in Psychology from Nottingham Trent University and has experience in both quantitative and qualitative research methods.

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