Meet The Team

ApconiX was founded in 2015 by co-Directors Prof Ruth Roberts, Dr Richard Knight and Dr Michael Morton as a new approach to providing world-class nonclinical safety expertise to biotech, biopharma and academia.

Our Company Directors

Professor Ruth Roberts


Ruth is a science professional, bringing expert thinking to toxicology, drug discovery, drug development, translational science and molecular toxicology. With >130 publications in peer reviewed journals, she has an international reputation in developing and implementing innovative models to enhance drug project success, especially around reducing attrition attributable to safety & toxicity.

Dr Richard Knight


Richard is a senior toxicologist with world leading expertise in all phases of drug discovery and development across the oncology, immunology, infection and cardiovascular disease areas. With experience in multiple modalities such as small molecules, therapeutic proteins, antibodies and oligonucleotide-based therapies and in multiple territories, Richard has taken >30 compounds into clinical trials and 4 drugs to market.

Dr Michael Morton

Dr Michael Morton


Michael is an experienced ion channel expert with 20 years of experience in both drug discovery and drug safety settings. He has an international reputation in the development of ion channel assay technology and in the interpretation of complex ion channel data sets. Michael has more than 30 publications in the field of ion channels and electrophysiology and is a previous senior scientist at AstraZeneca.

Our Team Members

Dr Claire Sadler


Claire is an expert discovery project toxicologist specialising in early project safety assessment and risk mitigation. She has a proven track record in problem solving and in investigational cellular and molecular toxicology. She is expert in designing and implementing bespoke safety packages, incorporating in vitro and in vivo experiments, to drive compound design and selection. Claire is former Director of Discovery Safety within AstraZeneca.

Dr Guy Healing


Guy is a senior toxicologist with expertise in general toxicology and the safety assessment of pharmaceuticals. He is a highly experienced pre-clinical Study Monitor and Study Director, and an expert in study design, conduct and reporting. He has excellent interim management skills developed over 20 years in managing teams in a complex global environment. He has served on the BTS Executive Committee for 10 years, is a member of the Panel for the UK Register of Toxicologists and has over 40 publications in peer reviewed journals.

Dr Nigel Barrass


Nigel is a senior project toxicologist with world leading expertise in late stage development and life cycle management. With extensive experience in the USA, Europe and China, Nigel has authored supporting documentation for four global regulatory submissions (MAA/NDA/JNDAs), countless INDs/IBs and has attended meetings at many of the world’s regulatory authorities, including FDA, MHRA, MHLW and MPA. Nigel is former lead oncology portfolio toxicologist at AstraZeneca.

Dr Jane Stewart


Jane is a senior toxicologist with world leading expertise in reproductive toxicology and the safety assessment of pharmaceuticals. Jane is renowned for her expertise in problem solving for general and reproductive toxicology as well as in the investigation of endocrine effects and carcinogenesis. Jane has authored numerous pregnancy labels and has helped draft international testing guidelines for pharmaceuticals. Jane is a PhD qualified veterinarian with a degree in pathological sciences.

Dr Paul Duffy

Dr Paul Duffy


Paul is senior project toxicologist with particular expertise in new modalities including RNA therapeutics and regenerative medicines. He is an extremely highly experienced project toxicologist with invaluable submission experience in multiple territories including repurposing of existing drug projects for new applications. He has served on the BTS Executive Committee since 2006, and has many publications in peer reviewed journals. Paul is former senior project toxicologist at AstraZeneca and a former board member of Stem cells for Safer Medicines (SC4SM).

Dr Mike O'Donovan

DPhil, FRCPath

Mike is a senior toxicologist with an international reputation in the field of genetic toxicology. He has over 35 years’ experience in the pharmaceutical industry and has over 65 peer-reviewed publications.

As a former Director of Genetic Toxicology at AstraZeneca, he has worked as an independent consultant supporting several companies in the UK and Europe.

Mike is currently a member of the Department of Health Committee on Mutagenicity and is a Fellow of the UK Environmental Mutagen Society.

Dr Jane Barber


Jane is a senior toxicologist with expertise in cancer research, molecular toxicology and discovery project toxicology. She has extensive experience in mechanistic problem solving within early discovery to late stage development projects and discovery project toxicology. Jane has a specialist expertise in hepatotoxicity, in vitro and in vivo problem solving, study design and reporting and has lead global scientific strategy teams developing pre-clinical toxicity packages for discovery and development projects.

Peter Ballard

Dr Peter Ballard


Peter is a senior drug metabolism and pharmacokinetic (DMPK) expert with extensive experience in global discovery and development projects. He has a proven track record of international project delivery from early drug discovery through to development and compound registration from over 30 years in the pharmaceutical industry and has maintained a high academic profile with more than 30 publications in peer reviewed journals and presentations at international conferences.

Dr Damian Deavall


Damian is a project leader with broad expertise in global drug development across multiple modalities. He has over ten years of experience in the pharmaceutical industry within varied projects from early phase discovery, through development to registration. He specialises in leading and managing drug safety programmes, especially within complex alliances and partnerships.

Marie Cumberbatch


Marie is an established immunologist with over 30 years of experience gained in industry and academia. She has specific immune expertise in oncology and toxicology, most recently in the field of immuno-oncology biomarkers for efficacy, mode of action, patient selection and safety across all phases of the drug discovery process from early target identification through to clinical trials. Marie has many peer reviewed publications and is a former Molecular Pathology team leader in Oncology Translation Sciences.

Dr Rob Wallis


Rob is a pharmacologist by training with expertise in drug discovery and development.  He has more than 30 years of experience in the pharmaceutical industry and is an expert in safety pharmacology with a world-wide reputation in the area of drug-induced QT prolongation/non-clinical cardiovascular safety.  He has presented at many scientific conferences and at the FDA and is a member of the ICH E14 Q&A Technical Group.  He is a former member of the Board of Directors of the Safety Pharmacology Society.

Dr Karen Jones


Karen is a Senior Research Scientist with over 10 years experience in the pharmaceutical industry within the early drug discovery setting. Karen’s area of expertise is in the development of Ion Channel and GPCR assays which are used for compound screening in various formats from small scale bespoke experiments up to large scale fully automated screens.  Karen is skilled at problem solving and has a proven track record of delivery with difficult targets leading to publications in peer reviewed journals.

Julie Knight


Julie is an experienced finance manager and senior administrator. She worked previously at AstraZeneca as a financial analyst and international budget manager.

Phumzile Sikakana

Phumzile Sikakana


Phum studied Biomedical Sciences at Cardiff University before completing her master’s at Sheffield University following research into “The role of the 27 phosphoinositide (PI) 5-kinase PIKfyve in phagosome maturation and killing, using the amoeba and 28 model phagocyte Dictyostelium discoideum”.  Phum recently heard that she had been awarded a distinction for her masters degree.  Phum joined ApconiX in November 2018.  A keen sports woman, Phum swam for Yorkshire until she was 16.  She started playing rugby when she joined Cardiff University and is hoping to continue playing, now she has moved to the Northwest.

Karin Burnett


Karin Burnett graduated from the University of Surrey with a BSc in Biochemistry (Toxicology).  She attained her Diploma from the Institute of Biology in Toxicology (DIBT) and went on to study for a PhD at the University of Birmingham, investigating mechanisms of liver non-genotoxic carcinogenesis.
Karin has extensive experience in the area having worked for a number of pharmaceutical companies including Zeneca, SmithKline Beechams and Shire Pharmaceuticals.  More recently Karin has worked with Public Health England and Imperial College, London (Toxicology Unit) as a scientific writer compiling detailed literature reviews on a wide variety of subjects for the government advisory Committees on Carcinogenicity (COC) and Mutagenicity (COM).

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