Professional Headshot of Tim Seigler

Tim Seigler

Audit Principal; Third Party Attestation Regional Leader & National Healthcare/HITRUST Industry Leader


Executive Summary

Tim Seigler is a Principal in the Third Party Attestation Practice and is currently serving as the Southeast Regional Practice Leader and National Healthcare/HITRUST Industry Leader. With more than 15 years of professional experience serving an array of clients in the healthcare, technology, financial services, and not-for-profit/higher education industries, he is responsible for the coordination and execution of BDO’s third-party attestation services throughout the Southeast.

Prior to joining BDO, Tim served as a director in the Technology Risk practice of a Big Four firm, leading and executing IT audit and third-party attestation engagements throughout the U.S. and Europe.

Tim has also served as an inspector for a firm’s internal inspection process as well as a lead facilitator at national training events for the it audit and third-party attestation service lines, including development of training courses and thought leadership for the practice.

Tim is an active member of University of Georgia’s MIS Advisory Board, and has been a guest lecturer at University of Alabama, University of Florida, and University of Georgia on IT audit topics, as well as a guest speaker at local Atlanta chapter meetings for the Information Systems Audit and Control Association (ISACA) and Institute of Internal Auditors (IIA).

  • HITRUST Certified Assessor & Certified Quality Professional
  • HITRUST Assessor Council, Member 
  • Information Systems Audit and Control Association
  • Institute of Internal Auditors
  • Technology Association of Georgia
  • UGA MIS Advisory Board

  • B.B.A., Management Information Systems, University of Georgia