Seamus is currently LMC's Market Analyst, a role he has held since 2012. He joined the commission in 2009 as a market researcher, before leaving for a year in 2011 to undertake research in dairy calf to beef production.

McMenamin succeeds Conall Donnelly, who is leaving to take up the role of Executive Director at NIMEA. He worked for the LMC for six years.