Her Work
Heather Grant is one of the United Kingdom's experienced forensic science practitioners — with nearly a decade at Cellmark Forensic Services, one of the UK's foremost independent forensic science providers, where she progressed from examination forensic scientist to reporting forensic scientist. Her speciality throughout has been DNA analysis and biological fluids interpretation — some of the most evidentially significant disciplines in forensic science practice.
A court-experienced expert witness, Heather has given expert testimony many times across criminal proceedings — translating complex scientific findings into clear, reliable evidence for judges and juries. That ability to communicate forensic science precisely and accessibly now defines her work in a second capacity: as a Lecturer in Forensic Science at the University of Lincoln, where she teaches the next generation of forensic scientists.
Crucially, Heather maintains active practice alongside her academic role — continuing to work on defence cases for the criminal justice system. This dual commitment to education and active casework keeps her teaching grounded in the realities of forensic practice and ensures her students learn from someone still working at the sharp end of the field.
Areas of Specialisation
DNA Analysis
Nearly a decade of specialist DNA casework at Cellmark Forensic Services — examination and reporting of DNA profiles across criminal investigations for both prosecution and defence.
Biological Fluids Interpretation
Specialist in the examination, identification, and forensic interpretation of biological fluids — one of the most significant evidential disciplines in sexual offences and violent crime casework.
Expert Witness Testimony
Extensive experience giving expert evidence in criminal courts — presenting complex forensic science findings in a manner that is clear, balanced, and robust under cross-examination.
Forensic Education
Lecturer in Forensic Science at the University of Lincoln — bringing active casework experience directly into the classroom, ensuring students engage with the forensic field as it is actually practised.
A Decade at the Frontline
Reporting Forensic Scientist — Cellmark Forensic Services
Approximately ten years at Cellmark — progressing to Reporting Scientist level with responsibility for interpreting DNA and biological fluid evidence, producing forensic reports for criminal proceedings, and giving expert testimony in court on behalf of both prosecution and defence.
Lecturer in Forensic Science — University of Lincoln
Teaching forensic science at undergraduate level — bringing practitioner insight, real casework experience, and expert witness expertise into lectures and student mentorship. Committed to producing forensic scientists who understand the realities of the criminal justice system.
Defence Practitioner — Criminal Justice System
Continuing active casework as a forensic science practitioner on defence cases — reviewing prosecution evidence, assessing forensic findings, and providing independent scientific opinion that supports fair trials and the integrity of the justice system.