Roebuck Food Group appoints GlasPort chief as CEO amid agribusiness refocus
Roebuck Food Group is changing leadership as it narrows its strategy around livestock emissions technology and related agribusiness investments. Justin Gerard McCarthy takes over as chief executive and executive director on October 31, 2026, succeeding Kieran Mahon after the group outlined the shift in its interim results last month.
Highlights
- Roebuck Food Group appoints GlasPort chief McCarthy as CEO effective October 31, 2026, to reinforce focus on Glasport Bio and Glasport Rumen Tech.
- McCarthy will retain executive positions at both GlasPort and Rumen Tech, leading expansion of technologies that reduce greenhouse gas emissions from livestock production.
- GlasPort's GasAbate technology is now installed on commercial dairy farms across Ireland, Northern Ireland, and continental Europe, driving company growth and product development initiatives.
Leadership change follows strategic reset
As reported by London Stock Exchange, Roebuck Food Group said McCarthy becomes chief executive officer and an executive director effective October 31, 2026, as the AIM-listed company concentrates on its holdings in Glasport Bio Limited and Glasport Rumen Tech Limited.McCarthy is currently chief executive of GlasPort and executive chairman of Rumen Tech, and he retains both roles after taking the top job at Roebuck. The company said both businesses are developing technologies designed to reduce greenhouse gas emissions from livestock production, an area now central to the group's operating focus.
Roebuck said McCarthy has worked across the agricultural sector with ABP Food Group, Dawn Meats and Teagasc, and previously served as chief executive of the Irish Farmers Journal Group. It added that he brings leadership, commercial experience and knowledge of agriculture and the global food sector, alongside academic training in agricultural science and executive education at Harvard and University College Dublin's Michael Smurfit Graduate Business School.
GlasPort expansion shapes next phase
In comments released with the appointment, McCarthy said his immediate priorities are to sharpen the group's strategic direction, deploy capital and management resources more selectively, and build on progress at GlasPort Bio and GlasPort Rumen Tech. He said the company is also aiming to accelerate the commercial development of its GasAbate technology and put in place a more disciplined platform for the next stage of growth.Chairman Tommy Conway said the appointment comes as Roebuck refocuses activities on its investments in GlasPort and Rumen Tech. He said GlasPort is continuing to expand, with GasAbate installations on commercial dairy farms across Ireland, Northern Ireland and continental Europe, alongside rising interest from farmers and processors and continued development of the next version of its Compli360 dosage and verification platform.
Executive pay trends and governance tightening in South Africa’s JSE Top 200 were the focus of our earlier coverage, where we outlined how incentive awards for CEOs and CFOs were rising much faster than base pay. We also noted that changes to the Companies Act from May 2026 increase transparency through pay-ratio disclosure and introduce binding shareholder votes on remuneration, raising pressure on boards and pay committees.