The ROAM team brings together seasoned specialists in livestock nutrition, animal science, fermentation, and biochemistry, all with extensive experience in developing practical and impactful solutions for the livestock industry.
With a deep understanding of both the science behind methane reduction and the needs of the agricultural supply chain, we are uniquely positioned to deliver innovative and scalable solutions for sustainable farming.

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Derek Peterson
Chief Executive Officer (CEO)
Background: A seasoned entrepreneur, Derek has founded and scaled a national agricultural brand and taken companies from inception to public markets, particularly in vertical farming and indoor agriculture. His facilities were Non-GMO and Organic certified, reflecting his commitment to sustainable and high-quality production standards. Now, his leadership is driving ROAM Agricultural’s vision to create a natural pathway to mitigate methane.
Previous Experience: Terra Tech, Edible Garden, Morgan Stanley
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Matthew Callaghan
Chief Operating Officer (COO)
Background: With 25 years of experience in livestock nutrition and stockfeed manufacturing, Matthew has established an unmatched industry network. With particular expertise in ruminant nutrition across the research and and commercial sectors, Matthew also provides extensive R&D leadership to drive ROAM’s technological innovations from concept to commercialisation.
Previous Experience: University of Queensland, Ridley AgriProducts
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Georgie Mutton
Director of Operations
Background: Georgie brings deep regulatory and R&D project management expertise, with a focus on sustainable livestock production systems, ruminant nutrition and stockfeed manufacturing. Her work ensures that ROAM’s products meet industry and community standards and are ready for market adoption.
Previous Experience: University of Melbourne, University of Queensland, Ridley AgriProducts, Meat & Livestock Australia (MLA)
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Peter McCarthy
Director, Infrastructure and Manufacturing
Background: With a background in commercial farming enterprise builds and project management, Peter brings extensive expertise in planning and design to oversee the construction and management of specialised facilities essential for the entire lifecycle of Roam’s requirements.
Previous Experience: Cert. III Carpentry, Cert. IV in Building and Construction, The University of Southern Queensland, QBCC nominated supervisor.
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Dr. Nigel Tomkins
Senior Animal Scientist
Background: A leading global expert with over 25 years of experience in the Australian ruminant industry, Dr. Tomkins has held significant leadership and research roles. His research activities have work has been pivotal in advancing livestock nutrition and methane reduction strategies.
Previous Experience: University of Queensland, Meat & Livestock Australia (MLA), CSIRO, Sea Forest Ltd
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Dr. Matthew Myers
Senior Formulation Scientist
Background: An industry leader in production chemistry, Dr. Myers has authored 94 scientific papers with over 2,600 citations. His expertise underpins the development of ROAM’s innovative methane reduction products.
Previous Experience: Caltech, Columbia University, CSIRO
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Dr. Hop Phan
Fermentation Scientist
Background: Dr Phan specialises in fermentation and bioprocess optimisation, with over a decade of research experience driving sustainable biotechnology. His expertise is critical in scaling ROAM Agricultural’s fungal derived bromoform production technology, a naturally occurring non-GMO pathway. By optimising processes that harness the power of nature, Dr Phan ensures ROAM delivers safe, scalable, and sustainable methane reduction solutions aligned with ethical and environmental standards.
Previous Experience: Vinh University, University of Wollongong, University of Tokyo, Tokyo University of Agriculture & Technology
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Imran Mozumder
Formulations Research Associate
Background: Imran joined in June 2023, supporting Matthew Myers. He manages lab equipment, optimises formulation stability, and develops SOPs. Imran's work on characterising carrier materials for fungal-derived bromoform and creating assays to measure bromoform concentration has been crucial to advancing our slow-release rumen bolus technology.
Previous Experience: Prior to his commencement at Loam, Imran completed a Biotechnology Masters from Macquarie University.