Mark Kotheimer is Chapman's Chief Information Security Officer. Mark develops, implements, and maintains information security programs and security monitoring protocols for the firm. Mark also manages information security risk management assessments and monitors the firm's compliance with information security regulations and best practices, among other duties and firm initiatives in connection with information security. Prior to joining Chapman, Mark served as the Director of Information Security for a large health care organization and spent 15 years as the Director of Information Technology for a Chicago-based community bank.


Columbia College Chicago

University of Illinois at Urbana-Champaign

We have always been focused on finance.

  • 1913
    TS Chapman partners with Henry Cutler to form Chapman and Cutler
  • 1st
    Chapman's first client in 1913 is still a client of the firm today
  • 22
    Diverse financial practices serving regional, national, and global clients
  • 6
    Offices across the country and in key US financial centers

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