John McCallister

In June 2015 the Police Service of Northern Ireland raided McCallister's home over allegations relating to the misuse of public funds A number of items including a computer were seized and police referred the case to the Public Prosecution Service.

In July 2014 amid allegations of inappropriate behaviour by McCrea, McCallister resigned to resume sitting in the Northern Ireland Assembly as an independent. He lost his seat in the 2016 election.

On 14 February 2013, McCallister announced that he had resigned from the UUP in reaction to the decision to field a unionist unity candidate in the Mid-Ulster by-election. He declared that he would sit as an Independent Unionist in the Assembly. In an interview the following day Basil McCrea, who had also resigned from the UUP, suggested that he and McCallister were preparing to launch a new moderate unionist party.

The new party, NI21 was launched in June 2013. McCallister became deputy leader with McCrea as leader. Two days before the 2014 European and local elections in which the party performed poorly, NI21 announced it would be changing from Designated Unionist to Designated Other in the Northern Ireland Assembly. McCallister criticised the move, which he labelled "crazy" and evidence of how "dysfunctional" NI21 had become. McCallister alleged the decision had been made without proper consultation McCrea then demanded an explanation from McCallister for his comments and stated the executive would discuss the comments.

In March 2012 he performed an emergency delivery of a baby on his wife when they were unable to reach the hospital on time.

McCallister fought the UUP leadership in March 2012 losing to Mike Nesbitt by 129 votes to 536.

McCallister was sacked by Mike Nesbitt as UUP deputy leader on 1 October 2012 for making a speech criticising unionist unity, which was seen by Nesbitt as an attack on his leadership.

McCallister introduced the Bill which became the Caravans Act (Northern Ireland), 2011 to give legal protection to holiday-makers who stay in caravans and to people who live permanently in park homes. The Bill passed the Assembly in February 2011, and received Royal Assent on 16 March; the Speaker of the Northern Ireland Assembly congratulated him on being the first person to guide a Private Member's Bill onto the statute book in Northern Ireland since 1931.

After attending a Sinn Féin conference in November 2011 in Newry he issued an apology for "unionist failings" in the past. Families Acting for Innocent Relatives (FAIR) leader and prominent unionist activist Willie Frazer stated that people in the unionist community were "appalled" by McCallister's remarks.

A native of Rathfriland, John McCallister has had a strong interest in agriculture and environmental issues in the community and voluntary sector and has been assigned to serve on the Committee for Health, Social Services and Public Safety and the Committee for Regional Development. He has been a member of the Young Farmers' Clubs of Ulster (YFCU) since 1984 and, in 2003–05, served as YFCU president.

John McCallister (born 20 February 1972) is a Northern Irish Unionist politician. In 2007, he was elected to the Northern Ireland Assembly as an Ulster Unionist Party (UUP) member for South Down. On 14 February 2013, McCallister announced that he had resigned from the UUP due to its decision to engage in an electoral pact with the Democratic Unionist Party. He was a co-founder of the NI21 party with fellow ex-UUP member Basil McCrea but resigned the following year following disputes with McCrea. He re-contested his seat as an Independent at the 2016 election but lost his seat, receiving just 2.8% of the vote.