Photo of Geoffrey Stewart Morrison

Geoffrey Stewart Morrison, BSc MTS MA PhD FCSFS

Dr, Associate Professor of Forensic Speech Science


    Research output per year

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    Personal profile

    Contact Details

    • office: MB214a
    • telephone: +44 121 204 3901



    • Dr Morrison joined Aston University in 2017.


    Research Interests

    • Forensic inference and statistics
    • Forensic data science
    • Forensic speech science



    • PhD - University of Alberta



    Dr Morrison’s past appointments include:

    • Simons Foundation Visiting Fellow, Probability and Statistics in Forensic Science Programme, Isaac Newton Institute for Mathematical Science
    • Scientific Counsel, Office of Legal Affairs, INTERPOL
    • Director of the Forensic Voice Comparison Laboratory, School of Electrical Engineering & Telecommunications, University of New South Wales


    Funding Applications and Awards

    • UK Research and Innovation (UKRI), Research England, Expanding Excellence in England Fund (E3) - GBP 5.4 M - 2019–2022
    • Aston Achievement Award for Outstanding Research Impact, 2019


    Research Projects/Collaborations

    • Dr Morrison has collaborated on research and development projects with law enforcement agencies and academic researchers in Asia, Australasia, Europe, North America, and South America.


    Membership of Professional Bodies

    • Fellow of the Chartered Society of Forensic Sciences
    • Chair, British Standards Institution (BSI) Forensic Science Committee
    • Member, International Organization for Standardization (ISO) Forensic Science Committee
    • Affiliate Member, Speaker Recognition Subcommittee, Organization of Scientific Area Committees for Forensic Science (OSAC)


    Professional/editorial offices

    • Dr Morrison has been a Subject Editor and Guest Editor for the peer-reviewed journals Speech Communication and Science & Justice.



    • Dr Morrison has forensic casework experience in Australia, Canada, Sweden, the United Kingdom, and the United States.


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    Research Output

    Vacuous standards – Subversion of the OSAC standards-development process

    Morrison, G. S., Neumann, C. & Geoghegan, P. H., 30 Jun 2020, In : Forensic Science International: Synergy. 2, p. 206-209 4 p.

    Research output: Contribution to journalEditorial

    Open Access
  • A method for calculating the strength of evidence associated with an earwitness’s claimed recognition of a familiar speaker

    Rosas, C., Sommerhoff, J. & Morrison, G. S., 1 Nov 2019, In : Science and Justice. 59, 6, p. 585-596 12 p.

    Research output: Contribution to journalArticle

    Open Access
  • A statistical procedure to adjust for time-interval mismatch in forensic voice comparison

    Morrison, G. S. & Kelly, F., 1 Sep 2019, In : Speech Communication. 112, p. 15-21 7 p.

    Research output: Contribution to journalArticle

    Open Access
  • Forensic speech science

    Morrison, G. S., Zhang, C. & Enzinger, E., 10 May 2019, Expert Evidence: Law, Practice, Procedure and Advocacy. Freckelton, I. & Selby, H. (eds.). 6th ed. Sydney, Australia

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Open Access
  • Introduction to forensic voice comparison

    Morrison, G. S. & Enzinger, E., 28 Mar 2019, The Routledge Handbook of Phonetics. Katz, W. F. & Assmann, P. F. (eds.). Routledge, p. 599–634 36 p.

    Research output: Chapter in Book/Report/Conference proceedingChapter