Msgr. Swiader is a native Long Islander, who studied theology at the Seminary of the Immaculate Conception, Huntington, NY. He was ordained for the Diocese of Rockville Centre in 1975 and assigned as an associate to St. Joseph Parish, Garden City. Subsequent parish ministry included that of associate in St. Mary, Manhasset, and pastor of Curé of Ars, Merrick, and St. Kilian, Farmingdale.
Other experience encompassed work in priestly formation, in St. Pius X Preparatory Seminary as Dean of Students and Chair of the English Department, and later in the Seminary of the Immaculate Conception, Huntington, as Dean of Seminarians, Director of Pastoral Formation, and Vice-Rector. He was an adjunct member of the faculty of Molloy College, Rockville Centre, where he taught philosophy from 1984-92. He was named a Prelate of Honor by the Pope John Paul II In 1996 and was inducted into the Equestrian Order of the Holy Sepulchre of Jerusalem in 2011. As well as serving as the pastor of St. Joseph since 2011, he is currently the director of on-going priestly formation for the Diocese of Rockville Centre in the Office of Priestly Life and Ministry. In 2019, he was invested as a chaplain for the Order of Malta American Association and has been a supporter of Holy Family Hospital Foundation for many years.