He stepped down as president of the National Bank of Arizona in January 1920 and became Chairman of the bank's board. Ganz died in a San Diego, California, hospital on August 6, 1922.
He relinquished his presidency of the National Bank of Arizona in January 1920, assuming the role of chairman of the bank's board. Ganz passed away at a San Diego, California hospital on August 6, 1922.