Background
MacKowski, John Joseph was born on February 1, 1926 in Westport, Massachusetts, United States. Son of John Jay and Victoria K. (Skript) Mieczkowski.
MacKowski, John Joseph was born on February 1, 1926 in Westport, Massachusetts, United States. Son of John Jay and Victoria K. (Skript) Mieczkowski.
AB, Duke University, 1948. Student, Harvard Advanced Management Program, 1971.
With, Insurance Company of North America, Boston, Philadelphia, Chicago, 1948-1951;
with, Atlantic Mutual Insurance Company. New York City, 1951-1988;
chairman, Chief Executive Officer, Atlantic Mutual Insurance Company. New York City, to 1988.
Board directors F.W. Woolworth Company, Northern Trust Company Connecticut, Transatlantic Holdings, Inc.
Board of directors Seamen's Church Institute New York and New Jersey First lieutenant United States Marine Corps Reserve, 1943-1946. Member Sawgrass Club (Ponte Vedra Beach, Florida), Acoaxet Country Club (Westport Harbor, Massachusetts), Spindle Rock Yacht Club, Sigma Chi, Beta Lambda.
Married Ruth Williams, February 3, 1951. Children: Martha, John Matthew, Daniel, Joan.