Management Team

The PBD Biotech international management team brings together expertise in diagnostics, clinical and veterinary science, disease management and policy.

Board

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Dr Marie Roskrow,

Chair of the Board

Marie Roskrow is an experienced physician-scientist and a senior executive with international experience in the healthcare and financial sectors. Her extensive experience includes early- and later-stage clinical development of novel anti-cancer compounds and the development of a novel therapeutic vaccine and complementary rapid diagnostic test for the treatment of patients with resistant Helicobacter pylori. She has held roles as CEO, CMO and Chairperson in private and listed companies, and has an extensive network of relationships with investors, senior executives and board members of healthcare companies and leading clinical centres both in Europe and the USA.

Jane Theaker,

Chief Executive Officer

Jane Theaker has a strong track record in precision medicine and novel diagnostics technologies. Her experience includes genomics with AstraZeneca and the co-invention of a new quantitative PCR technology. She headed up a team at Qiagen developing diagnostics kits to FDA standards before joining LGC as VP of R+D within genomics and establishing a precision medicine consultancy DataGC Solutions Ltd.

Tom Green,

Non-Executive Director

Following a career in vertically integrated production agriculture, farming over 85,000 hectares in UK and Europe as CEO of Spearhead International, Tom is now focussing on the theme of ‘Agritech to drive farm performance and sustainability’. Continuing as an NED at Spearhead, Tom holds roles at UK agriculture companies including Metos UK, Cambridge Agritech, Hummingbird Technologies, as well as with the charity LEAF.

Dr Berwyn Clarke,

Non-Executive Director

Berwyn is a specialist in personalized medicine, companion diagnostics and the application of novel diagnostics both to central laboratory and point-of-care utilities. He has worked in the pharmaceutical and diagnostics industry for over 30 years occupying senior management positions and Board level appointments. He is now a commercially focused entrepreneur with multiple corporate appointments.

Jonnie Yewdall,

Chief Commercial Officer, UK and international

Jonnie joined PBD Biotech as its Commercial Director in 2020 and has held a number of commercial roles in other industries. He ran a farm in North Devon and as a dairy farmer he understands the challenges of the industry and has first-hand experience of the devastating impact bTB and Johne’s disease.

Sandy Reid,

Investor Director

Sandy Reid is Deputy Fund Principal at Mercia Asset Management where she has worked for six years. Her portfolio includes life science, tech and software investments with a focus on early-stage businesses in the Midlands. She also has broader responsibility for fund strategy, reporting and investor relations in the Midlands. Prior to working at Mercia Sandy worked as a consultant and Director to a number of early-stage businesses and was CEO of a VC backed business for eight years. She also holds a PhD in Chemistry and is a Fellow of the Royal Society of Chemistry.

Geoff Gower,

Non-Executive Director

Geoff has a significant track record in diagnostic manufacturing and joined PBD Biotech to oversee the scale-up of Actiphage from a research to a commercial environment. Geoff has an impressive track-record of building start-ups to become market leaders in their niche. Several have subsequently been acquired by companies such as Thermo Fisher Scientific and Bio-Rad.