Patrick L. Alexander has served as Chairman of Landmark Bancorp and Landmark National Bank since January 2019, previously serving as Executive Chairman from January 2014 to December 2018. Mr. Alexander previously served as President and Chief Executive Officer of Landmark Bancorp and Landmark National Bank from October 2001 until stepping down as President in May 2013 and until stepping down as Chief Executive Officer effective January 2014. Mr. Alexander has also served on the boards of directors of Landmark Bancorp and Landmark National Bank since October 2001, becoming Chairman in May 2013. Mr. Alexander became President and Chief Executive Officer of the Manhattan Federal Savings and Loan Association (the predecessor to Security National Bank) in 1990 and became the President and Chief Executive Officer of MNB Bancshares and Security National Bank in 1992 and 1993, respectively. From 1986 to 1990, Mr. Alexander served as President of the Kansas State Bank of Manhattan.