/Companies

Rumin8

Western Australia, AU · Founded 2021 · 30 employees on LinkedIn · 3 known investors

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Rumin8 develops feed supplements for ruminant livestock that reduce methane emissions by applying anti-methanogenic solutions derived from nature. The company serves dairy and beef cattle producers seeking to decrease enteric methane from their herds.

Founders & leadership

Rumin8 was founded in 2021 by David Messina, Dr Stewart Washer, and Matt Callahan.

DMDavid Messina
David MessinaCo-founder & CEODavid Messina spent over a decade in energy sector financing and regulatory work, including agriculture-based renewable energy projects, before moving into agricultural technology commercialization. He is co-founder and CEO of Rumin8, which develops feed supplements to reduce methane emissions from livestock.
DSDr Stewart Washer
Dr Stewart WasherCo-founder & ChairmanDr. Stewart Washer brings 25 years of CEO and board experience in medical technology and agricultural biotechnology, having founded or led multiple ASX-listed regenerative medicine and stem cell therapy companies including Orthocell, Cynata Therapeutics, and Emyria. He previously served as CEO of Celentis and managed AgResearch's commercialization division in New Zealand before becoming co-founder and chairman of Rumin8.
MC
Matt CallahanCo-founder and Head of RegulatoryMatt Callahan has founded or co-founded multiple companies across resources, life sciences, venture capital, and climate tech sectors, and is a partner at Stone Ridge Ventures. He holds degrees in law and business and has worked across Australia, the USA, and Europe.

Investors · 3

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Frequently asked questions

What does Rumin8 do?
Rumin8 develops feed supplements for ruminant livestock that reduce methane emissions by applying anti-methanogenic solutions derived from nature. The company serves dairy and beef cattle producers seeking to decrease enteric methane from their herds.
Who founded Rumin8?
Rumin8 was founded by David Messina, Dr Stewart Washer, Matt Callahan in 2021.
Who are Rumin8's investors?
Rumin8's investors include Breakthrough Energy Ventures, Prelude Ventures, Starshot.
Where is Rumin8 headquartered?
Rumin8 is headquartered in Western Australia, AU.