WEBSep 10, 2024 · Matthew “Matt” Rosinski, 50, of Boulder Junction, died on Saturday, August 31, 2024. Matt was born on September 4, 1973 in Milwaukee, son of David Rosinski and Catherine (Johnson) Potter. He thrived throughout his childhood years, surrounded by family, living on the south side of the city and attending Hamilton …. September 6, 2024.