About us

Scymaris Ltd is based at the Brixham Environmental Laboratory site located in Devon, England where specialized laboratory services have been provided to the Chemical and Pharmaceutical industries for over 65 years. We provide high quality and cost effective ecotoxicology, environmental fate, plant metabolism and analytical chemistry services to the global agrochemical, pharmaceutical and chemical industries. Our goal is to help our clients understand the lifecycle of chemicals in our environment and the impact this has on the ecosystem. The company is led by an experienced management and operations team.

The Leadership Team

Tim Derrington

Chief Executive Officer
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Tim Derrington has held a number of leadership roles in contract research businesses over the past 25 years. He has international, operational and business development experience developing and growing science and technology companies in the life sciences marketplace. He has previously held positions as Chief Executive Officer, Chief Operating Officer and General Management roles. He has also served as Senior Vice President Corporate Development with Quintiles Transnational Corp, Chief Operating Officer Quintiles Laboratories Worldwide and Administrative Director – Clinical Trials at Mayo Clinic. Tim’s early career was spent working for Shell UK Ventures commercializing internally generated R&D initiatives. Tim is a graduate of Seale Hayne College, England and holds an MBA from Henley Management College, (University of Reading), Oxfordshire, England.

Gary Mitchell

Global VP, Scientific & Technical Strategy
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Gary Mitchell has 30 years of international industry and regulatory experience, primarily in Crop Protection. With a background in environmental toxicology, Gary earned his Ph.D. from Southampton University (UK) and post-doctoral studies at the University of Aarhus, Denmark. Initially with Shell Research Ltd, his research focused on outdoor microcosms for measuring sub-lethal effects of chemicals and effluents. In 1994, Gary joined American Cyanamid Company, then BASF, joining FMC Corporation in 2004. As Global Manager of FMC’s Toxicology and Ecotoxicology groups, Gary had oversight of the broad diversity of constantly evolving regulatory studies and scientific issues that challenge the registration of agricultural products, specialty chemicals and biocides worldwide. Also as Chair of the Ecotoxicology/E-Fate Committee of the Pyrethroid Working Group (PWG), he led an industry-based Task Force to address questions raised by the EPA on aquatic ecotoxicity of pyrethroids.

Simon Lock

Head of Quality and Regulatory Compliance
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Simon Lock leads the Quality Assurance of our GLP studies and processes calling on over 20 years’ experience with AstraZeneca and as an independent consultant.  During this time he has implemented new systems for GLP, Quality Assurance and Computer Validation, targeting greater compliance and efficiency.  Simon has a BSc chemistry degree from Imperial College, London.


Simon also manages our health and safety program and works with our facility management and IT providers to ensure our infrastructure is optimised to provide the control and assurance our clients expect.  Away from work, Simon might be found exploring the South Devon countryside with his family or kayaking.

Michelle Fox

Head of Ecotoxicology
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Michelle Fox is an experienced GLP study director managing regulatory studies for a number of industry sectors including, pharmaceutical, agrochemical, petrochemical and veterinary medicines. Michelle currently leads a team of laboratory staff in an established contract research organization and is an APM (Association for Project Management) qualified project manager. Michelle is a specialist in designing bespoke marine ecotoxicology studies to fulfill the requirements of clients and government regulators.

Ed Hayward

Head of Chemistry
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Ed Hayward has 8 years of experience as an analytical chemist with a significant focus on rapid method development in GLP and ISO17025 laboratory environments primarily using LCMS, GCMS and ICP-OES platforms. His work experience includes contributing to Technical Liaison Groups representing members interests in agrochemical approvals. Ed’s analytical chemistry experience has significantly focused on low level detection techniques in a variety of complex matrices often with rapid turnaround requirements.

Ruth Commander

Head of Environmental Fate
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Ruth Commander has over 12 years’ experience working in GLP accredited laboratories.  She is an experienced environmental fate and residue study director and scientist.  Ruth has managed a wide variety of regulatory environmental fate studies using non-labelled and 14C and 3H radiolabelled test substances for a number of industry sectors including pharmaceutical, agrochemical, petrochemical and veterinary medicines.