Deacon John was ordained to the Permanent Diaconate January 18, 2009, in the Cathedral of Christ the King in Superior. He serves the parishes of St. Michael, Iron River and Our Lady of the Lake, Ashland, Ss Peter and Paul, Moquah, St. Peter, Dauby and St. Florian, Ino in the Ashland Cluster.
John and his wife Barb has been married for 44 years. They have one daugher, Jennifer Grek-Martin. Jennifer and her husband Jason, reside in Halifax, Nova Scotia, Canada.
John was appointed Director of Diaconal Life on August 15, 2016.